diff --git a/mooncake-integration/ollama/.gitignore b/mooncake-integration/ollama/.gitignore
new file mode 100644
index 00000000..8dd38df0
--- /dev/null
+++ b/mooncake-integration/ollama/.gitignore
@@ -0,0 +1,12 @@
+# Generated state lives OUTSIDE this tree (see scripts/env.sh -> $OMB_STATE).
+# These patterns guard against accidental in-tree artifacts only.
+__pycache__/
+*.pyc
+*.pyo
+
+# the Stage-2 microbench binary, if built in-place
+/bridge/cbridge/omb_kvbench
+
+# editor / OS
+.DS_Store
+*.swp
diff --git a/mooncake-integration/ollama/README.md b/mooncake-integration/ollama/README.md
new file mode 100644
index 00000000..6d79d350
--- /dev/null
+++ b/mooncake-integration/ollama/README.md
@@ -0,0 +1,173 @@
+# Ollama × Mooncake — global KV-cache reuse for local agent swarms
+
+> **6 coding agents. One shared 30k-token repo context. 1 prefill. 5 RDMA restores. 0 redundant prefill.**
+>
+> `100% of redundant prefill eliminated` · `prefill work stays flat as the swarm grows` · `−69% TTFT for an uncontended cross-GPU restore, −34% swarm mean at 7B` · measured on 8×H200
+
+Let a swarm of local coding agents share one long-prefix KV cache. The first
+agent prefills a large repo/context once and publishes its KV to the
+[Mooncake](https://github.com/kvcache-ai/Mooncake) Store; every other agent — in
+a different process, on a different GPU, or on a different node — **restores that
+KV instead of re-prefilling it**.
+
+![Redundant prefill work vs swarm size](docs/figures/scaling_agents.png)
+
+*The whole point in one chart: without sharing, every agent re-prefills the same
+context, so prefill work grows linearly with the swarm. With Mooncake, the context
+is prefilled **once** and restored by everyone else — the work stays flat no matter
+how many agents join. Real measurement, 7B model, 30k-token context, 1→8 agents.*
+
+Ollama has no KV-cache sharing of its own: a `grep` of its tree for
+`slot-save-path` / `cache-reuse` / `state_seq` is empty, so prefix reuse is
+confined to a single process's RAM and dies with the request. Mooncake already
+pools and shares KV for vLLM / SGLang / TRT-LLM in the data centre; this
+integration extends that reuse down to the workstation/edge multi-agent
+scenario, with a sidecar design that needs almost no change to Ollama itself.
+
+Built and measured on real hardware: 8× NVIDIA H200, Mellanox RDMA (mlx5), the
+real `mooncake-transfer-engine` distributed store over RDMA, a CUDA build of
+llama.cpp, and Qwen2.5-Coder 1.5B / 7B GGUF models.
+
+## Results (measured)
+
+* **Redundant prefill is eliminated, and the win compounds with the swarm.** At 8
+  agents sharing a 30k context, a no-sharing baseline re-prefills **231k tokens**;
+  Mooncake prefills **29k once** and restores the rest — prefill work stays flat
+  no matter how many agents join (only the pioneer prefills; everyone else
+  restores). This is a property of the mechanism, not of timing, and holds in
+  every run.
+* **Throughput / TTFT track store bandwidth.** A single uncontended cross-GPU
+  restore cuts **time-to-first-token by ~69%** (5.99 s → 1.83 s); across a
+  6-agent swarm the **mean TTFT drops ~34%** at 7B/30k (and ~33% at 7B/16k, 1.25×
+  throughput). The gain grows with model size and context length, and the single
+  store client + single NIC serialize concurrent restores — so the swarm mean
+  trails the single-reuser number until the store is scaled out.
+* A **restore-vs-recompute arbiter** that learns store bandwidth and prefill
+  rate online and **never sustains a loss**: it restores when it helps and falls
+  back to recompute when the store is too slow to beat a local prefill.
+* **35–44 GB/s** striped zero-copy KV transfer over RDMA (uncontended).
+* Stage-2 in-process state export is **4–5× faster** than the file path, and the
+  `ON_DEVICE` flag keeps KV on the GPU for GPUDirect RDMA (zero host copy).
+
+Full methodology and figures: **[docs/REPORT.md](docs/REPORT.md)**.
+
+## What's new here
+
+| Contribution | What it is | Why it matters |
+|---|---|---|
+| **Cross-process KV bus** | a KV cache shared across processes, GPUs and nodes via the Mooncake Store | brings data-centre KV pooling to local agent swarms; Ollama had none |
+| **Content-addressed chained keys** | model fingerprint + forward-chained per-block hash | exact longest-prefix matching; KV is never mixed across models/tokenizers |
+| **Radix prefix index** | cross-process analogue of RadixAttention over remote KV snapshots | O(blocks) longest-prefix lookup + per-prefix hotness for replication |
+| **Restore-vs-recompute arbiter** | learns store bandwidth and prefill rate online, picks the cheaper | makes sharing **loss-free** — safe to enable unconditionally |
+| **Striped RDMA + Stage-2 ON_DEVICE** | pre-registered staging pool; cgo `state_seq_*_ext` keeps KV on the GPU | sustains 35–44 GB/s; targets GPUDirect with zero host copy |
+
+## Architecture (3 decoupled processes)
+
+![Architecture](docs/figures/architecture.png)
+
+```
+agents / patched Ollama ─► bridge (Go sidecar) ─► store-proxy (Python) ─► Mooncake Store
+                            key + radix index + arbiter   1 warm store client,    RDMA / GPUDirect
+                            3-stage Lookup/Prepare/Commit  striped batch RDMA,     DRAM pool, replicas
+                                   │                       pre-registered staging
+                            llama.cpp /slots (Stage 1)
+                            cgo _ext ON_DEVICE (Stage 2)
+```
+
+* **`bridge/`** (Go) — the brain. Pure Go, no heavy deps. Serves a gRPC
+  `KVCacheBus` (Lookup/Prepare/Commit) **and** an HTTP/JSON gateway with a
+  Prometheus `/metrics` endpoint.
+* **`store-proxy/`** (Python) — owns the single warm
+  `mooncake.store.MooncakeDistributedStore` handle (the official client) and
+  exposes it over gRPC. KV blobs are passed as **file paths**, so a multi-GiB
+  blob is copied at most once and never streams through Go.
+* **llama.cpp server** — unmodified for Stage 1; driven via its `/slots`
+  save/restore endpoints.
+
+## Repo layout
+
+```
+bridge/                      Go sidecar (the core deliverable)
+  internal/cachekey/         GGUF parser + chained block-hash cache keys
+  internal/prefixindex/      cross-process radix tree of KV prefixes
+  internal/arbiter/          restore-vs-recompute cost arbiter (online learning)
+  internal/orchestrator/     3-stage Lookup → Prepare(restore) → Commit(save)
+  internal/store/            pluggable backend: mooncake (proxy) | local file
+  internal/llamabridge/      Stage-1 /slots HTTP client
+  internal/seqstate/         Stage-2 cgo binding (llama_state_seq_*_ext, ON_DEVICE)
+  internal/server/           gRPC KVCacheBus + HTTP/JSON + /metrics
+  api/bridge.proto           agent ↔ sidecar contract
+  cbridge/omb_kvbench.cpp    Stage-2 libllama microbenchmark
+store-proxy/                 Python gRPC wrapper over MooncakeDistributedStore
+proto/storeproxy.proto       sidecar ↔ store-proxy contract
+ollama-patches/              diffs to ollama/ollama (+ README, integration notes)
+benchmarks/                  agent_swarm.py, run_matrix.py, plot.py, micro-benchmarks
+deploy/                      docker-compose, prometheus.yml, grafana dashboard
+scripts/                     env.sh + setup/start/stop/demo scripts (state kept off-tree)
+docs/                        REPORT.md, figures/, result JSONs
+```
+
+`scripts/env.sh` keeps **all** build/runtime state (Go toolchain, venv, llama.cpp,
+models, logs) under `$OMB_STATE` (default: a `.omb-state/` dir *outside* the repo),
+so the source tree stays clean and nothing is written under `/`.
+
+## Quickstart
+
+```bash
+# 1. one-time setup (local Go, venv + mooncake, llama.cpp CUDA build, models)
+bash scripts/setup_go.sh
+bash scripts/setup_py.sh
+bash scripts/setup_llama.sh
+bash scripts/setup_models.sh --with-7b
+
+# 2. run the multi-agent demo (brings up master + store-proxy + 2 llama + sidecar)
+bash scripts/demo.sh 7b 6
+
+# 3. (optional) the full benchmark matrix + figures
+python benchmarks/run_matrix.py --config benchmarks/workloads/matrix.json --out "$OMB_STATE/run/matrix_results.json"
+python benchmarks/plot.py --matrix "$OMB_STATE/run/matrix_results.json" \
+    --per-agent "$OMB_STATE/run/demo_result.json" --scaling benchmarks/scaling.json
+
+# 4. (optional) Stage-2 KV-state microbenchmark
+bash bridge/cbridge/build_kvbench.sh
+CUDA_VISIBLE_DEVICES=0 "$OMB_STATE/run/omb_kvbench" "$OMB_STATE/models/qwen2.5-coder-7b-instruct-q4_k_m.gguf" 16000
+
+# tear everything down (only this integration's processes)
+bash scripts/stack_down.sh
+```
+
+The demo ends on a one-glance scoreboard (real run, 6 agents / 30k ctx, concurrency 2):
+
+```
+================================================================
+  SCOREBOARD
+================================================================
+  agents sharing context     : 6
+  prefill tokens, no sharing :   173,653
+  prefill tokens, Mooncake   :    28,998   (144,655 saved)
+  total prefill work avoided : 83%
+  redundant prefill killed   : 100%  (only the pioneer must prefill)
+  mean TTFT                  : 5868 ms  ->  3898 ms
+  swarm throughput           : 1.01x
+  cache hits                 : 5/6
+================================================================
+```
+
+*Two honest numbers: 83% of **all** swarm prefill work is avoided, and 100% of the
+**redundant** prefill is gone — the one pioneer prefill is unavoidable. A single
+uncontended cross-GPU restore cuts TTFT ~69% (5.99 s → 1.83 s); the swarm mean
+trails it because one store client + one NIC serialize concurrent restores.*
+
+Observability: the sidecar exposes Prometheus at `http://127.0.0.1:52052/metrics`
+(`mooncake_bridge_saved_prefill_tokens_total` is the primary series); a Grafana
+dashboard is in `deploy/grafana_dashboard.json`.
+
+## Design notes
+
+* **Correctness first:** any difference in model / tokenizer / RoPE / KV dtype /
+  layout lands in a different key space — KV is never mixed across models. The
+  chained block hash makes longest-prefix matching exact.
+* **No disk in the hot path:** slot files live on `/dev/shm`; KV moves
+  file↔store at most once via RDMA into pre-registered, pinned buffers.
+* **Scoped runtime:** every cache/build/model lives under this directory, and
+  all process management is scoped to this workspace.
diff --git a/mooncake-integration/ollama/benchmarks/agent_swarm.py b/mooncake-integration/ollama/benchmarks/agent_swarm.py
new file mode 100644
index 00000000..aaa5ec4f
--- /dev/null
+++ b/mooncake-integration/ollama/benchmarks/agent_swarm.py
@@ -0,0 +1,247 @@
+#!/usr/bin/env python3
+"""Multi-agent KV-reuse workload driver.
+
+Models the core scenario: several coding agents share a long repo context and
+differ only in a short instruction. The first agent prefills + stores its KV;
+the rest restore it from Mooncake and prefill only their unique tail.
+
+Run a workload twice (cache OFF = baseline, cache ON) and compare honest
+end-to-end TTFT, recomputed prefill tokens, hit rate, and aggregate throughput.
+"""
+from __future__ import annotations
+import argparse, json, statistics, sys, threading, time
+from concurrent.futures import ThreadPoolExecutor
+import requests
+
+SESSION = requests.Session()
+
+
+def tokenize(llama, text, add_special=True):
+    r = SESSION.post(f"{llama}/tokenize", json={"content": text, "add_special": add_special}, timeout=120)
+    r.raise_for_status()
+    return r.json()["tokens"]
+
+
+def completion(llama, tokens, slot, n_predict):
+    r = SESSION.post(f"{llama}/completion", json={
+        "prompt": tokens, "id_slot": slot, "cache_prompt": True,
+        "n_predict": n_predict, "temperature": 0.0,
+    }, timeout=600)
+    r.raise_for_status()
+    return r.json()
+
+
+def bridge_call(bridge, ep, fp, policy, tokens, target, extra=None):
+    body = {"fp": fp, "policy": policy, "tokens": tokens, "target": target}
+    if extra:
+        body.update(extra)
+    r = SESSION.post(f"{bridge}/v1/{ep}", json=body, timeout=600)
+    r.raise_for_status()
+    return r.json()
+
+
+def erase_all_slots(llamas, slots_per_server):
+    """Wipe llama.cpp's *own* per-slot prefix cache so a 'baseline' run truly
+    prefills cold and the cached run's only reuse path is Mooncake. Without this,
+    llama's single-process cache contaminates the cross-process comparison."""
+    for u in llamas:
+        for s in range(slots_per_server):
+            try:
+                SESSION.post(f"{u}/slots/{s}?action=erase", timeout=30)
+            except Exception:  # noqa: BLE001
+                pass
+
+
+def build_repo_context(llama, ctx_tokens):
+    """A synthetic but realistic multi-file Go repo context of ~ctx_tokens."""
+    header = ("You are an autonomous coding agent reviewing a Go service repository.\n"
+              "Below is the full source tree. Read it carefully.\n\n")
+    unit = ("// ===== file internal/pkg{i}/service.go =====\n"
+            "package pkg{i}\n"
+            "import (\"context\"; \"fmt\"; \"time\")\n"
+            "// Service{i} coordinates the {i}-th processing stage of the pipeline.\n"
+            "type Service{i} struct {{ store *Store; clock time.Clock; retries int }}\n"
+            "func (s *Service{i}) Handle(ctx context.Context, r Record) (Result, error) {{\n"
+            "    if err := r.Validate(); err != nil {{ return Result{{}}, fmt.Errorf(\"pkg{i}: %w\", err) }}\n"
+            "    out := s.store.Transform(ctx, r)\n"
+            "    return s.store.Aggregate(ctx, out), nil\n}}\n\n")
+    text = header
+    i = 0
+    # grow until token target reached (tokenize incrementally but cheaply)
+    while True:
+        chunk = "".join(unit.format(i=j) for j in range(i, i + 12))
+        if len(tokenize(llama, text + chunk)) > ctx_tokens:
+            break
+        text += chunk
+        i += 12
+    return text
+
+
+QUERIES = [
+    "\n\nTASK: Find and explain any nil-pointer risks in Service handlers.",
+    "\n\nTASK: Suggest where to add structured logging across the pipeline.",
+    "\n\nTASK: Write a unit test for the Aggregate step of stage 3.",
+    "\n\nTASK: Identify duplicated validation logic and propose a refactor.",
+    "\n\nTASK: Where would a context cancellation be dropped? Fix it.",
+    "\n\nTASK: Propose a retry/backoff policy for transient store errors.",
+    "\n\nTASK: Add metrics counters; list the call sites to instrument.",
+    "\n\nTASK: Review error wrapping for consistency; cite files.",
+    "\n\nTASK: Find concurrency hazards in shared Store access.",
+    "\n\nTASK: Summarize the end-to-end data flow in 5 bullet points.",
+]
+
+
+def make_agents(llama_tok, n, ctx_tokens, share_mode, block_size):
+    """Return n token sequences that share an EXACT, block-aligned token prefix.
+
+    We tokenize the shared repo context once and block-align it, then append
+    each agent's distinct query as separately-tokenized ids. Concatenating token
+    *ids* (not text) guarantees the shared prefix is byte-identical across agents
+    so the chained block hashes match and the cache actually hits.
+    """
+    base = build_repo_context(llama_tok, ctx_tokens)
+    base_tokens = tokenize(llama_tok, base)
+    aligned = (len(base_tokens) // block_size) * block_size
+    base_tokens = base_tokens[:aligned]
+    agents = []
+    for i in range(n):
+        q = QUERIES[0] if share_mode == "identical" else QUERIES[i % len(QUERIES)]
+        qt = tokenize(llama_tok, q, add_special=False)
+        agents.append(list(base_tokens) + list(qt))
+    return agents, aligned
+
+
+def run_agent(idx, bridge, llama, slot, tokens, fp, policy, n_predict, cache_on):
+    res = {"idx": idx, "llama": llama, "tokens": len(tokens)}
+    prep_ms = 0.0
+    if cache_on:
+        t = time.perf_counter()
+        p = bridge_call(bridge, "prepare", fp, policy, tokens, {"base_url": llama, "slot_id": slot})
+        prep_ms = (time.perf_counter() - t) * 1e3
+        if p.get("error"):
+            # surface bridge errors instead of crashing the whole workload
+            raise RuntimeError(f"prepare error (agent {idx}, slot {slot}): {p['error']}")
+        res.update(hit=p.get("hit", False), decision=p.get("decision", "miss"),
+                   restored=p.get("restored", False),
+                   store_get_ms=p.get("store_get_ms", 0.0), bytes=p.get("bytes", 0))
+    t = time.perf_counter()
+    c = completion(llama, tokens, slot, n_predict)
+    comp_ms = (time.perf_counter() - t) * 1e3
+    if cache_on and policy.get("write"):
+        bridge_call(bridge, "commit", fp, policy, tokens, {"base_url": llama, "slot_id": slot},
+                    extra={"prefill_n": c["timings"]["prompt_n"], "prefill_ms": c["timings"]["prompt_ms"]})
+    res.update(prepare_ms=prep_ms, prompt_n=c["timings"]["prompt_n"],
+               prompt_ms=c["timings"]["prompt_ms"], comp_wall_ms=comp_ms,
+               ttft_ms=prep_ms + c["timings"]["prompt_ms"])
+    return res
+
+
+def run_workload(bridge, llamas, slots_per_server, agents, fp, policy, n_predict, cache_on, concurrency):
+    # Each agent gets a UNIQUE (server, slot) so concurrent agents never share a
+    # llama slot. Agent 0 runs alone first (cold: prefill + store); the rest run
+    # concurrently and reuse. With cache off, all run concurrently.
+    results = []
+
+    def place(i):
+        server = llamas[i % len(llamas)]
+        slot = (i // len(llamas)) % slots_per_server
+        return server, slot
+
+    t0 = time.perf_counter()
+    if cache_on and len(agents) > 1:
+        s, sl = place(0)
+        results.append(run_agent(0, bridge, s, sl, agents[0], fp, policy, n_predict, True))
+        rest = list(range(1, len(agents)))
+    else:
+        rest = list(range(len(agents)))
+
+    with ThreadPoolExecutor(max_workers=concurrency) as ex:
+        futs = []
+        for i in rest:
+            s, sl = place(i)
+            futs.append(ex.submit(run_agent, i, bridge, s, sl, agents[i], fp, policy, n_predict, cache_on))
+        for f in futs:
+            results.append(f.result())
+    wall = time.perf_counter() - t0
+    results.sort(key=lambda r: r["idx"])
+    return results, wall
+
+
+def summarize(results, wall, label):
+    ttfts = [r["ttft_ms"] for r in results]
+    recomputed = sum(r["prompt_n"] for r in results)
+    total_prompt = sum(r["tokens"] for r in results)
+    hits = sum(1 for r in results if r.get("hit"))
+    return {
+        "label": label,
+        "agents": len(results),
+        "wall_s": round(wall, 3),
+        "ttft_ms_mean": round(statistics.mean(ttfts), 1),
+        "ttft_ms_median": round(statistics.median(ttfts), 1),
+        "ttft_ms_p90": round(sorted(ttfts)[int(0.9 * (len(ttfts) - 1))], 1),
+        "prompt_tokens_recomputed": recomputed,
+        "prompt_tokens_total": total_prompt,
+        "recompute_ratio": round(recomputed / max(total_prompt, 1), 4),
+        "hit_agents": hits,
+        "throughput_agents_per_s": round(len(results) / max(wall, 1e-9), 3),
+    }
+
+
+def main():
+    ap = argparse.ArgumentParser()
+    ap.add_argument("--bridge", default="http://127.0.0.1:52052")
+    ap.add_argument("--llamas", required=True, help="comma-separated llama server URLs")
+    ap.add_argument("--model-path", required=True)
+    ap.add_argument("--agents", type=int, default=5)
+    ap.add_argument("--ctx-tokens", type=int, default=16000)
+    ap.add_argument("--share-mode", choices=["identical", "shared_prefix"], default="shared_prefix")
+    ap.add_argument("--n-predict", type=int, default=8)
+    ap.add_argument("--block-size", type=int, default=256)
+    ap.add_argument("--kv-type", default="f16", help="must match the llama server --cache-type (f16|q8_0|q4_0)")
+    ap.add_argument("--namespace", default="bench")
+    ap.add_argument("--concurrency", type=int, default=8)
+    ap.add_argument("--slots-per-server", type=int, default=4)
+    ap.add_argument("--replica-num", type=int, default=1)
+    ap.add_argument("--out", default="")
+    args = ap.parse_args()
+
+    llamas = args.llamas.split(",")
+    fp = {"model_path": args.model_path, "kv_type": args.kv_type, "block_size": args.block_size}
+    pol_on = {"enable": True, "namespace": f"{args.namespace}-{args.ctx_tokens}", "read": True, "write": True,
+              "block_size": args.block_size, "replica_num": args.replica_num, "min_prefix_blocks": 1}
+    pol_off = {**pol_on, "enable": False, "read": False, "write": False}
+
+    print(f"building workload: {args.agents} agents, ctx~{args.ctx_tokens}, share={args.share_mode}")
+    agents, aligned = make_agents(llamas[0], args.agents, args.ctx_tokens, args.share_mode, args.block_size)
+    print(f"  shared block-aligned prefix: {aligned} tokens; prompts: {[len(a) for a in agents]}")
+
+    # Baseline: cache OFF (erase llama's own slot cache first => true cold prefill)
+    erase_all_slots(llamas, args.slots_per_server)
+    base_res, base_wall = run_workload(args.bridge, llamas, args.slots_per_server, agents, fp, pol_off, args.n_predict, False, args.concurrency)
+    base = summarize(base_res, base_wall, "cache_off")
+    # Cached: cache ON. Erase slots again so the ONLY reuse is via Mooncake.
+    erase_all_slots(llamas, args.slots_per_server)
+    cached_res, cached_wall = run_workload(args.bridge, llamas, args.slots_per_server, agents, fp, pol_on, args.n_predict, True, args.concurrency)
+    cached = summarize(cached_res, cached_wall, "cache_on")
+
+    ttft_red = 100 * (1 - cached["ttft_ms_mean"] / max(base["ttft_ms_mean"], 1e-9))
+    speedup = base["wall_s"] / max(cached["wall_s"], 1e-9)
+    out = {
+        "config": vars(args), "baseline": base, "cached": cached,
+        "ttft_reduction_pct": round(ttft_red, 1), "throughput_speedup_x": round(speedup, 2),
+        "per_agent_cached": cached_res,
+    }
+    print("\n--- RESULT ---")
+    print(f"  mean TTFT:   {base['ttft_ms_mean']:.0f}ms -> {cached['ttft_ms_mean']:.0f}ms  ({ttft_red:.1f}% lower)")
+    print(f"  recompute:   {base['recompute_ratio']*100:.0f}% -> {cached['recompute_ratio']*100:.0f}% of prompt tokens")
+    print(f"  wall/throughput: {base['wall_s']:.2f}s -> {cached['wall_s']:.2f}s  ({speedup:.2f}x)")
+    print(f"  hit agents:  {cached['hit_agents']}/{cached['agents']}")
+    if args.out:
+        with open(args.out, "w") as f:
+            json.dump(out, f, indent=2)
+        print(f"  saved {args.out}")
+    return out
+
+
+if __name__ == "__main__":
+    main()
diff --git a/mooncake-integration/ollama/benchmarks/microbench_store.py b/mooncake-integration/ollama/benchmarks/microbench_store.py
new file mode 100644
index 00000000..3274503b
--- /dev/null
+++ b/mooncake-integration/ollama/benchmarks/microbench_store.py
@@ -0,0 +1,81 @@
+#!/usr/bin/env python3
+"""Microbenchmark the Mooncake Store transfer path (zero-copy put_from/get_into).
+
+Measures steady-state put/get bandwidth for a registered host buffer over a
+given protocol (tcp or rdma). This tells the cost-arbiter how fast the store
+can deliver KV bytes, which decides restore-vs-recompute.
+
+Usage:
+  python benchmarks/microbench_store.py --protocol tcp  --master 127.0.0.1:52061
+  python benchmarks/microbench_store.py --protocol rdma --device mlx5_0 --master 127.0.0.1:52061
+"""
+import argparse, ctypes, os, time, mmap as _mmap
+from mooncake.store import MooncakeDistributedStore, ReplicateConfig
+
+
+def ptr_of(buf):
+    return ctypes.addressof(ctypes.c_char.from_buffer(buf))
+
+
+def main():
+    ap = argparse.ArgumentParser()
+    ap.add_argument("--master", default=os.environ.get("OMB_STORE_MASTER", "127.0.0.1:52061"))
+    ap.add_argument("--metadata", default="P2PHANDSHAKE")
+    ap.add_argument("--protocol", default="tcp")
+    ap.add_argument("--device", default="")
+    ap.add_argument("--sizes-mb", default="16,128,512")
+    ap.add_argument("--iters", type=int, default=3)
+    ap.add_argument("--segment-gb", type=int, default=16)
+    ap.add_argument("--register", action="store_true", default=True)
+    args = ap.parse_args()
+
+    s = MooncakeDistributedStore()
+    cfg = {
+        "local_hostname": "127.0.0.1",
+        "metadata_server": args.metadata,
+        "global_segment_size": args.segment_gb << 30,
+        "local_buffer_size": 4 << 30,
+        "protocol": args.protocol,
+        "rdma_devices": args.device,
+        "master_server_addr": args.master,
+    }
+    assert s.setup(cfg) == 0, "setup failed"
+    rc = ReplicateConfig(); rc.replica_num = 1
+
+    sizes = [int(x) << 20 for x in args.sizes_mb.split(",")]
+    maxsz = max(sizes)
+    buf = _mmap.mmap(-1, maxsz)
+    src = ctypes.create_string_buffer(b"", maxsz)
+    # fill with a pattern
+    for i in range(0, maxsz, 1 << 20):
+        buf[i:i+16] = os.urandom(16)
+    p = ptr_of(buf)
+    if args.register:
+        r = s.register_buffer(p, maxsz)
+        print(f"register_buffer -> {r}")
+
+    # warm (absorb one-time ~20s first-put cost)
+    t0 = time.perf_counter()
+    s.put_from("omb:bench:warm", p, 1 << 20, rc)
+    print(f"warmup put: {(time.perf_counter()-t0)*1e3:.0f} ms")
+    s.get_into("omb:bench:warm", p, 1 << 20)
+    s.remove("omb:bench:warm", True)
+
+    print(f"\nprotocol={args.protocol} device={args.device!r}")
+    print(f"{'size':>8} {'put_ms':>9} {'put_GBps':>9} {'get_ms':>9} {'get_GBps':>9}")
+    for sz in sizes:
+        put_ms = []; get_ms = []
+        for it in range(args.iters):
+            k = f"omb:bench:{sz}:{it}"
+            t0 = time.perf_counter(); s.put_from(k, p, sz, rc); put_ms.append((time.perf_counter()-t0)*1e3)
+            t0 = time.perf_counter(); s.get_into(k, p, sz);     get_ms.append((time.perf_counter()-t0)*1e3)
+            s.remove(k, True)
+        pm = min(put_ms); gm = min(get_ms)
+        print(f"{sz>>20:>6}MB {pm:>9.1f} {sz/(pm/1e3)/1e9:>9.2f} {gm:>9.1f} {sz/(gm/1e3)/1e9:>9.2f}")
+    if args.register:
+        s.unregister_buffer(p)
+    s.close()
+
+
+if __name__ == "__main__":
+    main()
diff --git a/mooncake-integration/ollama/benchmarks/microbench_striped.py b/mooncake-integration/ollama/benchmarks/microbench_striped.py
new file mode 100644
index 00000000..acc74d5b
--- /dev/null
+++ b/mooncake-integration/ollama/benchmarks/microbench_striped.py
@@ -0,0 +1,57 @@
+#!/usr/bin/env python3
+"""Verify striped (parallel, batched) RDMA transfer sustains full bandwidth for
+large KV blobs by splitting into <=chunk slices and using batch_put_from /
+batch_get_into. Compares single-object vs striped for the same total size."""
+import argparse, ctypes, os, time, mmap as _mmap
+from mooncake.store import MooncakeDistributedStore, ReplicateConfig
+
+
+def ptr_of(buf): return ctypes.addressof(ctypes.c_char.from_buffer(buf))
+
+
+def main():
+    ap = argparse.ArgumentParser()
+    ap.add_argument("--master", default=os.environ.get("OMB_STORE_MASTER", "127.0.0.1:52061"))
+    ap.add_argument("--protocol", default="rdma")
+    ap.add_argument("--device", default="mlx5_0")
+    ap.add_argument("--total-mb", type=int, default=2048)
+    ap.add_argument("--chunk-mb", type=int, default=64)
+    args = ap.parse_args()
+
+    s = MooncakeDistributedStore()
+    assert s.setup({
+        "local_hostname": "127.0.0.1", "metadata_server": "P2PHANDSHAKE",
+        "global_segment_size": 32 << 30, "local_buffer_size": 8 << 30,
+        "protocol": args.protocol, "rdma_devices": args.device,
+        "master_server_addr": args.master,
+    }) == 0
+    rc = ReplicateConfig(); rc.replica_num = 1
+
+    total = args.total_mb << 20
+    chunk = args.chunk_mb << 20
+    buf = _mmap.mmap(-1, total)
+    buf[0:16] = os.urandom(16)
+    p = ptr_of(buf)
+    s.register_buffer(p, total)
+    s.put_from("warm", p, 1 << 20, rc); s.get_into("warm", p, 1 << 20); s.remove("warm", True)
+
+    # single object
+    t0 = time.perf_counter(); s.put_from("big", p, total, rc); put1 = time.perf_counter() - t0
+    t0 = time.perf_counter(); s.get_into("big", p, total); get1 = time.perf_counter() - t0
+    s.remove("big", True)
+    print(f"single  {args.total_mb}MB: put {put1*1e3:7.0f}ms {total/put1/1e9:5.2f}GB/s  get {get1*1e3:7.0f}ms {total/get1/1e9:5.2f}GB/s")
+
+    # striped
+    n = (total + chunk - 1) // chunk
+    keys = [f"stripe:{i}" for i in range(n)]
+    ptrs = [p + i * chunk for i in range(n)]
+    sizes = [min(chunk, total - i * chunk) for i in range(n)]
+    t0 = time.perf_counter(); s.batch_put_from(keys, ptrs, sizes, rc); putN = time.perf_counter() - t0
+    t0 = time.perf_counter(); s.batch_get_into(keys, ptrs, sizes); getN = time.perf_counter() - t0
+    s.batch_remove(keys) if hasattr(s, "batch_remove") else [s.remove(k, True) for k in keys]
+    print(f"striped {args.total_mb}MB/{args.chunk_mb}MB x{n}: put {putN*1e3:7.0f}ms {total/putN/1e9:5.2f}GB/s  get {getN*1e3:7.0f}ms {total/getN/1e9:5.2f}GB/s")
+    s.unregister_buffer(p); s.close()
+
+
+if __name__ == "__main__":
+    main()
diff --git a/mooncake-integration/ollama/benchmarks/plot.py b/mooncake-integration/ollama/benchmarks/plot.py
new file mode 100644
index 00000000..eea3d424
--- /dev/null
+++ b/mooncake-integration/ollama/benchmarks/plot.py
@@ -0,0 +1,200 @@
+#!/usr/bin/env python3
+"""Plot the benchmark matrix into publication-style figures (PNG)."""
+import argparse, json, os, re
+import matplotlib
+matplotlib.use("Agg")
+import matplotlib.pyplot as plt
+import numpy as np
+
+# Cohesive figure style shared by every chart.
+PALETTE = {"baseline": "#c0392b", "mooncake": "#2e6fdb", "reuser": "#27ae60",
+           "accent": "#7a5fb8", "muted": "#9aa0a6"}
+plt.rcParams.update({
+    "figure.dpi": 140,
+    "font.size": 12,
+    "axes.titlesize": 15,
+    "axes.titleweight": "bold",
+    "axes.labelsize": 12,
+    "axes.spines.top": False,
+    "axes.spines.right": False,
+    "axes.grid": True,
+    "grid.color": "#e6e6e6",
+    "grid.linewidth": 0.8,
+    "axes.axisbelow": True,
+    "legend.frameon": False,
+    "figure.autolayout": True,
+})
+
+
+def _human(name):
+    """A2_7b_30k_6ag -> '7B / 30k / 6 agents'."""
+    m = re.search(r"(\d+\.?\d*)b_(\d+)k?_(\d+)ag", name, re.I)
+    if not m:
+        return name
+    size, ctx, ag = m.groups()
+    return f"{size}B / {ctx}k / {ag} agents"
+
+
+def fig_ttft(cells, out):
+    names = [_human(c["name"]) for c in cells]
+    off = [c["ttft_off"] for c in cells]
+    on = [c["ttft_on"] for c in cells]
+    reuser = [c.get("reuser_ttft_on", c["ttft_on"]) for c in cells]
+    x = np.arange(len(names)); w = 0.27
+    fig, ax = plt.subplots(figsize=(max(7, 2.0 * len(names)), 4.4))
+    ax.bar(x - w, off, w, label="no sharing (baseline)", color=PALETTE["baseline"])
+    ax.bar(x, on, w, label="Mooncake (all agents)", color=PALETTE["mooncake"])
+    ax.bar(x + w, reuser, w, label="Mooncake (reusing agents only)", color=PALETTE["reuser"])
+    for i, (a, b) in enumerate(zip(off, on)):
+        ax.text(i, max(a, b) * 1.02, f"-{100*(1-b/a):.0f}%", ha="center", fontsize=10, fontweight="bold", color="#222")
+    ax.set_ylabel("mean TTFT (ms)")
+    ax.set_title("Time-to-first-token: KV reuse via Mooncake")
+    ax.set_xticks(x); ax.set_xticklabels(names); ax.legend()
+    fig.savefig(out); print("wrote", out); plt.close(fig)
+
+
+def fig_recompute(cells, out):
+    names = [_human(c["name"]) for c in cells]
+    off = [c["recompute_off_pct"] for c in cells]
+    on = [c["recompute_on_pct"] for c in cells]
+    x = np.arange(len(names)); w = 0.38
+    fig, ax = plt.subplots(figsize=(max(7, 2.0 * len(names)), 4.4))
+    ax.bar(x - w/2, off, w, label="baseline", color=PALETTE["baseline"])
+    bars = ax.bar(x + w/2, on, w, label="Mooncake", color=PALETTE["mooncake"])
+    for b, v in zip(bars, on):
+        ax.text(b.get_x() + b.get_width()/2, v + 2, f"{v:.0f}%", ha="center", fontsize=10, color="#222")
+    ax.set_ylabel("% of prompt tokens re-prefilled"); ax.set_ylim(0, 108)
+    ax.set_title("Redundant prefill eliminated"); ax.set_xticks(x)
+    ax.set_xticklabels(names); ax.legend()
+    fig.savefig(out); print("wrote", out); plt.close(fig)
+
+
+def fig_throughput(cells, out):
+    names = [_human(c["name"]) for c in cells]
+    thru = [c["thru_x"] for c in cells]
+    x = np.arange(len(names))
+    fig, ax = plt.subplots(figsize=(max(7, 2.0 * len(names)), 4.2))
+    bars = ax.bar(x, thru, 0.5, color=PALETTE["accent"])
+    ax.axhline(1.0, ls="--", color=PALETTE["muted"], label="parity")
+    for b, t in zip(bars, thru):
+        ax.text(b.get_x() + b.get_width()/2, t + 0.02, f"{t:.2f}x", ha="center", fontsize=11, fontweight="bold")
+    ax.set_ylabel("throughput speedup (x)"); ax.set_title("Aggregate swarm throughput")
+    ax.set_xticks(x); ax.set_xticklabels(names); ax.legend()
+    fig.savefig(out); print("wrote", out); plt.close(fig)
+
+
+def fig_per_agent(swarm_json, out):
+    """Prompt tokens recomputed per agent: the pioneer pays the full prefill,
+    every later agent restores and recomputes almost nothing. This is the
+    'only agent 0 prefills' story, shown directly rather than via TTFT (which
+    on the Stage-1 file path can make a reuser look slower than the pioneer)."""
+    d = json.load(open(swarm_json))
+    pa = d["per_agent_cached"]
+    idx = [r["idx"] for r in pa]
+    recomputed = [r["prompt_n"] for r in pa]
+    total = [r["tokens"] for r in pa]
+    colors = [PALETTE["baseline"]] + [PALETTE["reuser"]] * (len(pa) - 1)
+    fig, ax = plt.subplots(figsize=(max(7.5, 1.0 * len(pa)), 4.6))
+    # faint full-prompt reference so the saving is obvious
+    ax.bar(idx, total, color="#ececec", width=0.74, label="prompt size (tokens)")
+    bars = ax.bar(idx, recomputed, color=colors, width=0.74, label="tokens re-prefilled")
+    for i, (b, rc) in enumerate(zip(bars, recomputed)):
+        tag = f"{rc}" if rc < 1000 else f"{rc/1000:.1f}k"
+        ax.text(b.get_x() + b.get_width() / 2, rc + max(total) * 0.02, tag,
+                ha="center", fontsize=10, fontweight="bold", color="#222")
+    ax.annotate("pioneer pays\nthe full prefill", xy=(0, total[0]), xytext=(0.6, total[0] * 0.82),
+                fontsize=10, color=PALETTE["baseline"],
+                arrowprops=dict(arrowstyle="->", color=PALETTE["baseline"]))
+    saved = sum(total) - sum(recomputed)
+    ax.set_xlabel("agent index (0 = pioneer that prefills + stores)")
+    ax.set_ylabel("prompt tokens")
+    ax.set_xticks(idx)
+    ax.set_title(f"Only the pioneer prefills ({saved//1000}k tokens saved)")
+    ax.legend(loc="center right")
+    fig.savefig(out); print("wrote", out); plt.close(fig)
+
+
+def fig_scaling(scaling_json, out):
+    """Baseline work grows linearly with the swarm; Mooncake stays almost flat.
+    scaling_json is a list of {agents, baseline_recompute_tokens,
+    cached_recompute_tokens, baseline_wall_s, cached_wall_s}."""
+    rows = sorted(json.load(open(scaling_json)), key=lambda r: r["agents"])
+    n = [r["agents"] for r in rows]
+    base_tok = [r["baseline_recompute_tokens"] / 1e3 for r in rows]
+    cache_tok = [r["cached_recompute_tokens"] / 1e3 for r in rows]
+    fig, ax = plt.subplots(figsize=(7.5, 4.6))
+    ax.plot(n, base_tok, "o-", color=PALETTE["baseline"], lw=2.4, ms=7,
+            label="no sharing (re-prefill every agent)")
+    ax.plot(n, cache_tok, "o-", color=PALETTE["mooncake"], lw=2.4, ms=7,
+            label="Mooncake (prefill once, restore the rest)")
+    ax.fill_between(n, cache_tok, base_tok, color=PALETTE["mooncake"], alpha=0.10)
+    # endpoint callouts at the widest swarm
+    ax.annotate(f"{base_tok[-1]:.0f}k", xy=(n[-1], base_tok[-1]), xytext=(-4, 6),
+                textcoords="offset points", ha="right", fontsize=11,
+                fontweight="bold", color=PALETTE["baseline"])
+    ax.annotate(f"{cache_tok[-1]:.0f}k (flat)", xy=(n[-1], cache_tok[-1]), xytext=(-4, 8),
+                textcoords="offset points", ha="right", fontsize=11,
+                fontweight="bold", color=PALETTE["mooncake"])
+    ax.text(n[len(n)//2], (base_tok[-1] + cache_tok[0]) / 2,
+            f"{base_tok[-1]-cache_tok[-1]:.0f}k tokens\nnever re-prefilled",
+            ha="center", va="center", fontsize=10, color="#555", style="italic")
+    ax.set_xlabel("agents sharing the context")
+    ax.set_ylabel("prompt tokens prefilled (thousands)")
+    ax.set_title("Redundant prefill work vs swarm size  (7B, 30k ctx)")
+    ax.set_xticks(n); ax.set_ylim(bottom=0); ax.legend(loc="upper left")
+    fig.savefig(out); print("wrote", out); plt.close(fig)
+
+
+def fig_arbiter(out, points=None):
+    """Restore cost vs recompute cost per (model, context); the arbiter picks the
+    cheaper. Demonstrates the loss-free property: it restores only when restoring
+    is actually faster than recomputing. Values are the arbiter's own estimates
+    from measured online rates.
+
+    points: list of {label, restore_ms, recompute_ms, decision}. Defaults to the
+    two measured regimes (7B restores, 1.5B declines)."""
+    if points is None:
+        points = [
+            {"label": "7B / 30k ctx", "restore_ms": 2160, "recompute_ms": 4034, "decision": "RESTORE"},
+            {"label": "1.5B / 8k ctx", "restore_ms": 697, "recompute_ms": 311, "decision": "RECOMPUTE"},
+        ]
+    labels = [p["label"] for p in points]
+    restore = [p["restore_ms"] for p in points]
+    recompute = [p["recompute_ms"] for p in points]
+    x = np.arange(len(labels)); w = 0.36
+    fig, ax = plt.subplots(figsize=(max(6.5, 2.6 * len(labels)), 4.4))
+    ax.bar(x - w / 2, restore, w, label="restore from store", color=PALETTE["mooncake"])
+    ax.bar(x + w / 2, recompute, w, label="recompute (prefill)", color=PALETTE["baseline"])
+    for i, p in enumerate(points):
+        chosen = min(p["restore_ms"], p["recompute_ms"])
+        ax.annotate(f"chooses\n{p['decision']}",
+                    xy=(i, chosen), xytext=(i, chosen + max(restore + recompute) * 0.08),
+                    ha="center", fontsize=10, fontweight="bold", color="#1a7d32")
+    ax.set_ylabel("estimated cost (ms)")
+    ax.set_title("Loss-free arbiter: restore only when it's cheaper")
+    ax.set_xticks(x); ax.set_xticklabels(labels); ax.legend(loc="upper left")
+    fig.savefig(out); print("wrote", out); plt.close(fig)
+
+
+def main():
+    ap = argparse.ArgumentParser()
+    ap.add_argument("--matrix", default="run/matrix_results.json")
+    ap.add_argument("--per-agent", default="", help="a swarm cell json for the per-agent figure")
+    ap.add_argument("--scaling", default="", help="a scaling json for the agents-scaling figure")
+    ap.add_argument("--outdir", default="docs/figures")
+    args = ap.parse_args()
+    os.makedirs(args.outdir, exist_ok=True)
+    m = json.load(open(args.matrix))
+    cells = m["cells"]
+    fig_ttft(cells, os.path.join(args.outdir, "ttft.png"))
+    fig_recompute(cells, os.path.join(args.outdir, "recompute.png"))
+    fig_throughput(cells, os.path.join(args.outdir, "throughput.png"))
+    if args.per_agent and os.path.exists(args.per_agent):
+        fig_per_agent(args.per_agent, os.path.join(args.outdir, "per_agent.png"))
+    if args.scaling and os.path.exists(args.scaling):
+        fig_scaling(args.scaling, os.path.join(args.outdir, "scaling_agents.png"))
+    fig_arbiter(os.path.join(args.outdir, "arbiter.png"))
+
+
+if __name__ == "__main__":
+    main()
diff --git a/mooncake-integration/ollama/benchmarks/run_matrix.py b/mooncake-integration/ollama/benchmarks/run_matrix.py
new file mode 100644
index 00000000..66675538
--- /dev/null
+++ b/mooncake-integration/ollama/benchmarks/run_matrix.py
@@ -0,0 +1,104 @@
+#!/usr/bin/env python3
+"""Run the benchmark matrix and aggregate results.
+
+Each cell shells out to agent_swarm.py (cache OFF baseline vs cache ON) for a
+given (model, context, #agents, kv_type) on the currently-running stack, then
+collects the JSON into a single matrix file consumed by plot.py.
+
+The store-backend axis (RDMA / TCP / local-file) is swept by restarting the
+store layer between groups (re-run proxy_start.sh with a different protocol).
+"""
+import argparse, json, os, subprocess, sys, time
+
+HERE = os.path.dirname(os.path.abspath(__file__))
+
+
+def run_cell(py, cell, bridge, out_dir):
+    out = os.path.join(out_dir, f"cell_{cell['name']}.json")
+    # model_path may be a bare filename; resolve it against $MODELS_DIR so the
+    # checked-in config is portable across machines/checkouts.
+    model_path = cell["model_path"]
+    if not os.path.isabs(model_path) and not os.path.exists(model_path):
+        models_dir = os.environ.get("MODELS_DIR", "")
+        if models_dir:
+            cand = os.path.join(models_dir, os.path.basename(model_path))
+            if os.path.exists(cand):
+                model_path = cand
+    cmd = [py, os.path.join(HERE, "agent_swarm.py"),
+           "--bridge", bridge,
+           "--llamas", cell["llamas"],
+           "--model-path", model_path,
+           "--kv-type", cell.get("kv_type", "f16"),
+           "--agents", str(cell["agents"]),
+           "--ctx-tokens", str(cell["ctx_tokens"]),
+           "--share-mode", cell.get("share_mode", "shared_prefix"),
+           "--slots-per-server", str(cell.get("slots_per_server", 4)),
+           "--concurrency", str(cell.get("concurrency", 4)),
+           "--n-predict", str(cell.get("n_predict", 8)),
+           "--namespace", cell["name"],
+           "--out", out]
+    print(f"\n===== cell {cell['name']} =====")
+    print(" ", " ".join(cmd))
+    t0 = time.time()
+    r = subprocess.run(cmd, capture_output=True, text=True)
+    print(r.stdout[-1200:])
+    if r.returncode != 0:
+        print("STDERR:", r.stderr[-1500:])
+        return None
+    with open(out) as f:
+        data = json.load(f)
+    data["wall_total_s"] = round(time.time() - t0, 1)
+    data["store_backend"] = cell.get("store_backend", "rdma")
+    return data
+
+
+def main():
+    ap = argparse.ArgumentParser()
+    ap.add_argument("--config", required=True, help="JSON file with a list of cells")
+    ap.add_argument("--bridge", default="http://127.0.0.1:52052")
+    ap.add_argument("--out", default="run/matrix_results.json")
+    args = ap.parse_args()
+
+    with open(args.config) as f:
+        cfg = json.load(f)
+    out_dir = os.path.dirname(os.path.abspath(args.out))
+    os.makedirs(out_dir, exist_ok=True)
+
+    results = []
+    for cell in cfg["cells"]:
+        d = run_cell(sys.executable, cell, args.bridge, out_dir)
+        if d:
+            results.append({"name": cell["name"], **summ(d)})
+    matrix = {"cells": results, "raw": cfg}
+    with open(args.out, "w") as f:
+        json.dump(matrix, f, indent=2)
+
+    print("\n================ MATRIX SUMMARY ================")
+    hdr = f"{'cell':<22}{'backend':<8}{'agents':>7}{'TTFT off':>10}{'TTFT on':>10}{'red%':>7}{'thru x':>8}{'recompute%':>12}"
+    print(hdr); print("-" * len(hdr))
+    for r in results:
+        print(f"{r['name']:<22}{r['backend']:<8}{r['agents']:>7}{r['ttft_off']:>10.0f}{r['ttft_on']:>10.0f}"
+              f"{r['ttft_red_pct']:>7.0f}{r['thru_x']:>8.2f}{r['recompute_on_pct']:>12.0f}")
+    print(f"\nsaved {args.out}")
+
+
+def summ(d):
+    b, c = d["baseline"], d["cached"]
+    reuse = d["per_agent_cached"][1:] if len(d["per_agent_cached"]) > 1 else d["per_agent_cached"]
+    reuse_ttft = sum(r["ttft_ms"] for r in reuse) / max(len(reuse), 1)
+    return {
+        "backend": d.get("store_backend", "rdma"),
+        "agents": c["agents"],
+        "ttft_off": b["ttft_ms_mean"],
+        "ttft_on": c["ttft_ms_mean"],
+        "ttft_red_pct": d["ttft_reduction_pct"],
+        "reuser_ttft_on": round(reuse_ttft, 1),
+        "thru_x": d["throughput_speedup_x"],
+        "recompute_off_pct": round(b["recompute_ratio"] * 100, 1),
+        "recompute_on_pct": round(c["recompute_ratio"] * 100, 1),
+        "hit_agents": c["hit_agents"],
+    }
+
+
+if __name__ == "__main__":
+    main()
diff --git a/mooncake-integration/ollama/benchmarks/scaling.json b/mooncake-integration/ollama/benchmarks/scaling.json
new file mode 100644
index 00000000..f07991ab
--- /dev/null
+++ b/mooncake-integration/ollama/benchmarks/scaling.json
@@ -0,0 +1,42 @@
+[
+  {
+    "agents": 1,
+    "baseline_recompute_tokens": 28942,
+    "cached_recompute_tokens": 28942,
+    "baseline_wall_s": 8.09,
+    "cached_wall_s": 22.694,
+    "throughput_x": 0.36
+  },
+  {
+    "agents": 2,
+    "baseline_recompute_tokens": 57884,
+    "cached_recompute_tokens": 28953,
+    "baseline_wall_s": 5.849,
+    "cached_wall_s": 6.269,
+    "throughput_x": 0.93
+  },
+  {
+    "agents": 4,
+    "baseline_recompute_tokens": 115768,
+    "cached_recompute_tokens": 28975,
+    "baseline_wall_s": 8.558,
+    "cached_wall_s": 8.594,
+    "throughput_x": 1.0
+  },
+  {
+    "agents": 6,
+    "baseline_recompute_tokens": 173653,
+    "cached_recompute_tokens": 28998,
+    "baseline_wall_s": 12.961,
+    "cached_wall_s": 9.519,
+    "throughput_x": 1.36
+  },
+  {
+    "agents": 8,
+    "baseline_recompute_tokens": 231535,
+    "cached_recompute_tokens": 29018,
+    "baseline_wall_s": 16.469,
+    "cached_wall_s": 10.878,
+    "throughput_x": 1.51
+  }
+]
\ No newline at end of file
diff --git a/mooncake-integration/ollama/benchmarks/smoke_e2e.py b/mooncake-integration/ollama/benchmarks/smoke_e2e.py
new file mode 100644
index 00000000..8dd7b7dd
--- /dev/null
+++ b/mooncake-integration/ollama/benchmarks/smoke_e2e.py
@@ -0,0 +1,128 @@
+#!/usr/bin/env python3
+"""End-to-end smoke test: cross-process / cross-GPU KV reuse via Mooncake.
+
+Agent A (on llama server #0, GPU X): prepare -> miss; /completion fully
+prefills a long prompt; commit -> store the KV to Mooncake.
+
+Agent B (on llama server #1, GPU Y): prepare -> the sidecar fetches the KV from
+Mooncake and restores it into B's slot; /completion now prefills ~0 tokens.
+
+We print the prompt-token count actually re-computed (timings.prompt_n) and the
+prefill wall time for A vs B. B should be dramatically faster, proving the KV
+crossed processes/GPUs through the store.
+"""
+import argparse, json, time, sys
+import requests
+
+
+def tokenize(llama, text, add_special=True):
+    r = requests.post(f"{llama}/tokenize", json={"content": text, "add_special": add_special})
+    r.raise_for_status()
+    return r.json()["tokens"]
+
+
+def completion(llama, tokens, slot, n_predict=8):
+    r = requests.post(f"{llama}/completion", json={
+        "prompt": tokens, "id_slot": slot, "cache_prompt": True,
+        "n_predict": n_predict, "temperature": 0.0,
+    })
+    r.raise_for_status()
+    return r.json()
+
+
+def bridge_call(bridge, ep, fp, policy, tokens, target):
+    r = requests.post(f"{bridge}/v1/{ep}", json={
+        "fp": fp, "policy": policy, "tokens": tokens, "target": target,
+    })
+    r.raise_for_status()
+    return r.json()
+
+
+def main():
+    ap = argparse.ArgumentParser()
+    ap.add_argument("--bridge", default="http://127.0.0.1:52052")
+    ap.add_argument("--llama-a", default="http://127.0.0.1:52070")
+    ap.add_argument("--llama-b", default="http://127.0.0.1:52071")
+    ap.add_argument("--model-path", required=True)
+    ap.add_argument("--ctx-tokens", type=int, default=8000)
+    ap.add_argument("--namespace", default="smoke")
+    ap.add_argument("--block-size", type=int, default=256)
+    args = ap.parse_args()
+
+    fp = {"model_path": args.model_path, "kv_type": "f16", "block_size": args.block_size}
+    policy = {"enable": True, "namespace": args.namespace, "read": True, "write": True,
+              "block_size": args.block_size, "replica_num": 1, "min_prefix_blocks": 1}
+
+    # Build a long, code-like context prompt of ~ctx-tokens tokens.
+    unit = ("// module {i}: utility helpers for the data pipeline\n"
+            "func process_{i}(records []Record) (Result, error) {{\n"
+            "    // validate, transform, and aggregate the {i}-th shard\n"
+            "    return aggregate(transform(validate(records))), nil\n}}\n\n")
+    text = "You are reviewing a large Go repository. Here is the source:\n\n"
+    i = 0
+    while len(tokenize(args.llama_a, text)) < args.ctx_tokens:
+        text += unit.format(i=i)
+        i += 1
+    text += "\nSummarize the overall architecture of this repository."
+    tokens = tokenize(args.llama_a, text)
+    print(f"[setup] prompt = {len(tokens)} tokens, block_size={args.block_size} "
+          f"=> {len(tokens)//args.block_size} full blocks\n")
+
+    # ---- Agent A: cold on server #0 ----
+    ta = time.perf_counter()
+    pa = bridge_call(args.bridge, "prepare", fp, policy, tokens,
+                     {"base_url": args.llama_a, "slot_id": 0})
+    pa_wall = (time.perf_counter() - ta) * 1e3
+    t0 = time.perf_counter()
+    ca = completion(args.llama_a, tokens, slot=0)
+    a_wall = (time.perf_counter() - t0) * 1e3
+    co = bridge_call(args.bridge, "commit", fp, policy, tokens,
+                     {"base_url": args.llama_a, "slot_id": 0})
+    a_ttft = pa_wall + ca['timings']['prompt_ms']
+    print("AGENT A (cold, server #0):")
+    print(f"  prepare : hit={pa['hit']} decision={pa['decision']} wall={pa_wall:.1f}ms  ({pa.get('reason','')})")
+    print(f"  prefill : prompt_n={ca['timings']['prompt_n']} toks, "
+          f"prompt_ms={ca['timings']['prompt_ms']:.1f}, e2e_wall={a_wall:.1f}ms")
+    print(f"  commit  : stored={co['stored']} blocks={co['stored_blocks']} "
+          f"bytes={co['bytes']} put_ms={co['store_put_ms']:.1f}  key=...{co['key'][-24:]}")
+    print(f"  >> honest TTFT(A) = prepare {pa_wall:.1f} + prefill {ca['timings']['prompt_ms']:.1f} = {a_ttft:.1f}ms\n")
+
+    # ---- Agent B: warm on server #1 (must restore from the store) ----
+    tb = time.perf_counter()
+    pb = bridge_call(args.bridge, "prepare", fp, policy, tokens,
+                     {"base_url": args.llama_b, "slot_id": 0})
+    pb_wall = (time.perf_counter() - tb) * 1e3
+    t0 = time.perf_counter()
+    cb = completion(args.llama_b, tokens, slot=0)
+    b_wall = (time.perf_counter() - t0) * 1e3
+    b_ttft = pb_wall + cb['timings']['prompt_ms']
+    print("AGENT B (warm, server #1 -- different process & GPU):")
+    print(f"  prepare : hit={pb['hit']} decision={pb['decision']} restored={pb['restored']} "
+          f"restored_tokens={pb['restored_tokens']} wall={pb_wall:.1f}ms")
+    print(f"            store_get_ms={pb['store_get_ms']:.1f} bytes={pb['bytes']}  ({pb.get('reason','')})")
+    print(f"  prefill : prompt_n={cb['timings']['prompt_n']} toks, "
+          f"prompt_ms={cb['timings']['prompt_ms']:.1f}, e2e_wall={b_wall:.1f}ms")
+    print(f"  >> honest TTFT(B) = prepare {pb_wall:.1f} + prefill {cb['timings']['prompt_ms']:.1f} = {b_ttft:.1f}ms\n")
+
+    # ---- verdict ----
+    saved = ca['timings']['prompt_n'] - cb['timings']['prompt_n']
+    ttft_red = 100.0 * (1 - b_ttft / max(a_ttft, 1e-9))
+    print("=" * 70)
+    print(f"  prefill tokens recomputed:  A={ca['timings']['prompt_n']}  ->  B={cb['timings']['prompt_n']}  "
+          f"(saved {saved} tokens, {100.0*saved/max(ca['timings']['prompt_n'],1):.1f}%)")
+    print(f"  HONEST end-to-end TTFT:     A={a_ttft:.1f}ms  ->  B={b_ttft:.1f}ms  "
+          f"(reduced {ttft_red:.1f}%)")
+    print(f"  (B breakdown: store_get {pb['store_get_ms']:.1f}ms + restore/overhead "
+          f"{pb_wall - pb['store_get_ms']:.1f}ms + prefill {cb['timings']['prompt_ms']:.1f}ms)")
+    print("=" * 70)
+    stats = requests.get(f"{args.bridge}/stats").json()
+    print(f"sidecar stats: hits={stats['hits']} misses={stats['misses']} "
+          f"saved_prefill_tokens={stats['saved_prefill_tokens']} "
+          f"learned_get_gbps={stats['learned_get_gbps']:.1f} learned_prefill_tps={stats['learned_prefill_tps']:.0f}")
+    ok = cb['timings']['prompt_n'] < ca['timings']['prompt_n'] * 0.3 and pb['restored']
+    print("\nRESULT:", "PASS — KV reused across processes/GPUs via Mooncake" if ok else "FAIL")
+    sys.exit(0 if ok else 1)
+
+
+if __name__ == "__main__":
+    main()
diff --git a/mooncake-integration/ollama/benchmarks/workloads/matrix.json b/mooncake-integration/ollama/benchmarks/workloads/matrix.json
new file mode 100644
index 00000000..9960dcaf
--- /dev/null
+++ b/mooncake-integration/ollama/benchmarks/workloads/matrix.json
@@ -0,0 +1,40 @@
+{
+  "cells": [
+    {
+      "name": "A1_1p5b_8k_5ag",
+      "llamas": "http://127.0.0.1:52070,http://127.0.0.1:52071",
+      "model_path": "qwen2.5-coder-1.5b-instruct-q4_k_m.gguf",
+      "kv_type": "f16",
+      "agents": 5,
+      "ctx_tokens": 8000,
+      "share_mode": "shared_prefix",
+      "slots_per_server": 4,
+      "concurrency": 2,
+      "store_backend": "rdma"
+    },
+    {
+      "name": "A2_7b_30k_6ag",
+      "llamas": "http://127.0.0.1:52072,http://127.0.0.1:52073",
+      "model_path": "qwen2.5-coder-7b-instruct-q4_k_m.gguf",
+      "kv_type": "q8_0",
+      "agents": 6,
+      "ctx_tokens": 30000,
+      "share_mode": "shared_prefix",
+      "slots_per_server": 4,
+      "concurrency": 2,
+      "store_backend": "rdma"
+    },
+    {
+      "name": "A3_7b_16k_8ag",
+      "llamas": "http://127.0.0.1:52072,http://127.0.0.1:52073",
+      "model_path": "qwen2.5-coder-7b-instruct-q4_k_m.gguf",
+      "kv_type": "q8_0",
+      "agents": 8,
+      "ctx_tokens": 16000,
+      "share_mode": "shared_prefix",
+      "slots_per_server": 4,
+      "concurrency": 2,
+      "store_backend": "rdma"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/mooncake-integration/ollama/bridge/api/bridge.proto b/mooncake-integration/ollama/bridge/api/bridge.proto
new file mode 100644
index 00000000..26d55f08
--- /dev/null
+++ b/mooncake-integration/ollama/bridge/api/bridge.proto
@@ -0,0 +1,150 @@
+syntax = "proto3";
+
+// KVCacheBus is the contract between a caller (a coding Agent, the bench
+// harness, or patched Ollama) and the Go sidecar. It implements the three-stage
+// reuse flow: Lookup (longest-prefix match) -> Prepare (Load/restore the matched
+// KV into a llama.cpp slot) -> Commit (Save the produced KV back to the Mooncake
+// Store).
+package bridge.v1;
+
+option go_package = "github.com/mooncake-ai/ollama-mooncake-bridge/internal/bridge/pb;bridgepb";
+
+service KVCacheBus {
+  rpc Health(HealthRequest) returns (HealthReply);
+  // Lookup is read-only: longest block-prefix match + arbiter decision, no I/O
+  // into llama.cpp. Useful for inspection / benchmarking.
+  rpc Lookup(LookupRequest) returns (LookupReply);
+  // Prepare = Lookup + (if a hit and the cost arbiter approves) restore the
+  // matched KV prefix into target.slot so llama.cpp only prefills the tail.
+  rpc Prepare(PrepareRequest) returns (PrepareReply);
+  // Commit = Save the KV currently held in target.slot and Put it to the store.
+  rpc Commit(CommitRequest) returns (CommitReply);
+  rpc Stats(StatsRequest) returns (StatsReply);
+}
+
+// ModelFingerprint: every field that changes KV bytes. A mismatch => miss.
+message ModelFingerprint {
+  string model_digest = 1;
+  string arch = 2;
+  string tokenizer_hash = 3;
+  string rope_hash = 4;
+  string kv_type = 5;     // f16 | q8_0 | q4_0 | bf16
+  string kv_layout = 6;   // dense | swa
+  int32 n_ctx_train = 7;
+  int32 block_size = 8;
+  // Optional path to the GGUF file. If set, the sidecar parses it once to fill
+  // any empty arch/tokenizer/rope/ctx fields (and a content-addressed digest),
+  // so callers only need to know the model file.
+  string model_path = 9;
+}
+
+// CachePolicy mirrors the user-visible options.mooncake.* request extension.
+message CachePolicy {
+  bool enable = 1;
+  string namespace = 2;     // e.g. "repo:my-org/my-repo@main"
+  bool read = 3;
+  bool write = 4;
+  // granularity and transport are accepted for forward compatibility. Block
+  // granularity is the implemented mode; the store transport (tcp|rdma) is
+  // chosen once by the store-proxy at startup rather than per request.
+  string granularity = 5;   // block (implemented) | sequence (reserved)
+  int32 block_size = 6;     // overrides fingerprint block_size if > 0
+  string transport = 7;     // advisory; effective transport is set on the proxy
+  uint32 replica_num = 8;   // hot-prefix replication
+  bool soft_pin = 9;        // keep hot prefixes resident
+  int32 min_prefix_blocks = 10; // admission: don't store prefixes shorter than this
+}
+
+// LlamaTarget identifies a running llama.cpp server slot to restore into / read
+// from. base_url like "http://127.0.0.1:52070"; slot_id is the /slots id.
+message LlamaTarget {
+  string base_url = 1;
+  int32 slot_id = 2;
+}
+
+message LookupRequest {
+  ModelFingerprint fp = 1;
+  CachePolicy policy = 2;
+  repeated int32 tokens = 3;
+}
+message LookupReply {
+  bool hit = 1;
+  int32 matched_blocks = 2;
+  int32 matched_tokens = 3;
+  int32 total_blocks = 4;
+  int32 total_tokens = 5;
+  string decision = 6;     // restore | recompute | miss
+  string matched_key = 7;
+  string reason = 8;       // arbiter explanation
+  string error = 9;
+}
+
+message PrepareRequest {
+  ModelFingerprint fp = 1;
+  CachePolicy policy = 2;
+  repeated int32 tokens = 3;
+  LlamaTarget target = 4;  // if unset, behaves like Lookup (plan only)
+}
+message PrepareReply {
+  bool hit = 1;
+  int32 matched_blocks = 2;
+  int32 matched_tokens = 3;
+  int32 total_blocks = 4;
+  int32 total_tokens = 5;
+  string decision = 6;
+  string matched_key = 7;
+  bool restored = 8;
+  int32 restored_tokens = 9;
+  double restore_ms = 10;     // llama /slots restore time
+  double store_get_ms = 11;   // store GetFile time
+  uint64 bytes = 12;
+  string reason = 13;
+  string error = 14;
+}
+
+message CommitRequest {
+  ModelFingerprint fp = 1;
+  CachePolicy policy = 2;
+  repeated int32 tokens = 3;   // tokens resident in the slot (the prefill prefix)
+  LlamaTarget target = 4;
+  // Optional: the caller's observed prefill so the arbiter learns the live
+  // prefill rate (tokens/s) for restore-vs-recompute decisions.
+  int32 prefill_n = 5;
+  double prefill_ms = 6;
+}
+message CommitReply {
+  bool ok = 1;
+  bool stored = 2;             // false if skipped (already present / below threshold)
+  int32 stored_blocks = 3;
+  int32 stored_tokens = 4;
+  uint64 bytes = 5;
+  double save_ms = 6;          // llama /slots save time
+  double store_put_ms = 7;     // store PutFile time
+  string key = 8;
+  string reason = 9;
+  string error = 10;
+}
+
+message HealthRequest {}
+message HealthReply {
+  bool ok = 1;
+  string version = 2;
+  string store_backend = 3;
+  bool store_ok = 4;
+  string protocol = 5;
+  string detail = 6;
+}
+
+message StatsRequest {}
+message StatsReply {
+  uint64 prepare_total = 1;
+  uint64 hits = 2;
+  uint64 misses = 3;
+  uint64 hit_blocks = 4;
+  uint64 miss_blocks = 5;
+  uint64 saved_prefill_tokens = 6;  // primary effectiveness metric
+  uint64 restore_count = 7;
+  uint64 commit_count = 8;
+  uint64 bytes_get = 9;
+  uint64 bytes_put = 10;
+}
diff --git a/mooncake-integration/ollama/bridge/cbridge/build_kvbench.sh b/mooncake-integration/ollama/bridge/cbridge/build_kvbench.sh
new file mode 100644
index 00000000..33e3f98a
--- /dev/null
+++ b/mooncake-integration/ollama/bridge/cbridge/build_kvbench.sh
@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+# Build the Stage-2 KV-state microbenchmark against the locally-built libllama.
+set -euo pipefail
+source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/../../scripts/env.sh"
+
+SRC="$WS/bridge/cbridge/omb_kvbench.cpp"
+OUT="$OMB_RUN/omb_kvbench"
+INC="$LLAMA_DIR/include"
+GGML_INC="$LLAMA_DIR/ggml/include"
+LIBDIR="$LLAMA_BUILD/bin"
+
+g++ -std=c++17 -O2 -o "$OUT" "$SRC" \
+  -I"$INC" -I"$GGML_INC" \
+  -L"$LIBDIR" -lllama -lggml -lggml-base \
+  -Wl,-rpath,"$LIBDIR"
+echo "built: $OUT"
diff --git a/mooncake-integration/ollama/bridge/cbridge/omb_kvbench.cpp b/mooncake-integration/ollama/bridge/cbridge/omb_kvbench.cpp
new file mode 100644
index 00000000..0a5c91df
--- /dev/null
+++ b/mooncake-integration/ollama/bridge/cbridge/omb_kvbench.cpp
@@ -0,0 +1,147 @@
+// omb_kvbench — Stage-2 KV-state microbenchmark (libllama, in-process).
+//
+// Demonstrates, in-process against libllama, the three ways to get a sequence's
+// KV out of a running model and why the Stage-2 path matters:
+//
+//   (A) llama_state_seq_save_file(...)            -- the Stage-1 path the sidecar
+//                                                    uses today via /slots: GPU
+//                                                    -> host -> serialize -> file
+//   (B) llama_state_seq_get_data_ext(..., NONE)   -- raw host export: GPU -> host
+//   (C) llama_state_seq_get_size_ext(..., ON_DEVICE) -- the Stage-2 target: the
+//                                                    KV stays in device buffers,
+//                                                    ready for Mooncake Transfer
+//                                                    Engine GPUDirect RDMA with
+//                                                    NO host copy (avoids the
+//                                                    double-copy of llama.cpp
+//                                                    issue #8915).
+//
+// It also verifies correctness: export seq 0, import into seq 1, decode one
+// token from each and confirm the KV round-trips.
+//
+// Build: see cbridge/build_kvbench.sh.  Run: omb_kvbench <model.gguf> [n_prompt] [n_ctx] [ngl]
+#include "llama.h"
+
+#include <chrono>
+#include <cstdint>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <string>
+#include <vector>
+
+using clk = std::chrono::high_resolution_clock;
+static double ms(clk::time_point a, clk::time_point b) {
+    return std::chrono::duration<double, std::milli>(b - a).count();
+}
+
+int main(int argc, char ** argv) {
+    if (argc < 2) { fprintf(stderr, "usage: %s <model.gguf> [n_prompt=4000] [n_ctx] [ngl=99]\n", argv[0]); return 2; }
+    const char * model_path = argv[1];
+    int n_prompt = argc > 2 ? atoi(argv[2]) : 4000;
+    // KV cells are shared across sequences; we use two seqs (export/import), so
+    // size the context for two full copies of the prompt.
+    int n_ctx    = argc > 3 ? atoi(argv[3]) : (n_prompt + 512) * 2;
+    int ngl      = argc > 4 ? atoi(argv[4]) : 99;
+
+    llama_backend_init();
+    llama_model_params mparams = llama_model_default_params();
+    mparams.n_gpu_layers = ngl;
+    llama_model * model = llama_model_load_from_file(model_path, mparams);
+    if (!model) { fprintf(stderr, "model load failed\n"); return 1; }
+
+    llama_context_params cparams = llama_context_default_params();
+    cparams.n_ctx     = n_ctx;
+    cparams.n_seq_max = 2;
+    cparams.n_batch   = 2048;
+    llama_context * ctx = llama_init_from_model(model, cparams);
+    if (!ctx) { fprintf(stderr, "ctx init failed\n"); return 1; }
+    const llama_vocab * vocab = llama_model_get_vocab(model);
+
+    // Synthetic code-like prompt, tokenized.
+    std::string text;
+    while ((int) text.size() < n_prompt * 5)
+        text += "func process(ctx Context, d []Record) (Result, error) { return agg(transform(validate(d))) }\n";
+    std::vector<llama_token> toks(text.size() + 16);
+    int n = llama_tokenize(vocab, text.c_str(), (int) text.size(), toks.data(), (int) toks.size(), true, false);
+    if (n <= 0) { fprintf(stderr, "tokenize failed: %d\n", n); return 1; }
+    if (n > n_prompt) n = n_prompt;
+    toks.resize(n);
+
+    // Prefill seq 0 in <= n_batch chunks.
+    int n_batch_sz = (int) cparams.n_batch;
+    auto t0 = clk::now();
+    for (int start = 0; start < n; start += n_batch_sz) {
+        int cnt = (n - start < n_batch_sz) ? (n - start) : n_batch_sz;
+        llama_batch b = llama_batch_init(cnt, 0, 1);
+        for (int i = 0; i < cnt; i++) {
+            b.token[i] = toks[start + i]; b.pos[i] = start + i;
+            b.n_seq_id[i] = 1; b.seq_id[i][0] = 0;
+            b.logits[i] = (start + i == n - 1);
+        }
+        b.n_tokens = cnt;
+        if (llama_decode(ctx, b) != 0) { fprintf(stderr, "decode failed at %d\n", start); return 1; }
+        llama_batch_free(b);
+    }
+    double prefill_ms = ms(t0, clk::now());
+
+    // KV byte/token (host state size / tokens).
+    size_t sz_host = llama_state_seq_get_size_ext(ctx, 0, LLAMA_STATE_SEQ_FLAGS_NONE);
+    size_t sz_dev  = llama_state_seq_get_size_ext(ctx, 0, LLAMA_STATE_SEQ_FLAGS_ON_DEVICE);
+
+    // (B) raw host export GPU->host
+    std::vector<uint8_t> buf(sz_host);
+    t0 = clk::now();
+    size_t got = llama_state_seq_get_data_ext(ctx, buf.data(), buf.size(), 0, LLAMA_STATE_SEQ_FLAGS_NONE);
+    double host_get_ms = ms(t0, clk::now());
+
+    // (A) Stage-1 file path (what /slots save does): write to tmpfs
+    const char * fpath = "/dev/shm/omb_kvbench_seq0.bin";
+    t0 = clk::now();
+    size_t fsaved = llama_state_seq_save_file(ctx, fpath, 0, toks.data(), toks.size());
+    double file_save_ms = ms(t0, clk::now());
+
+    // import (host) into seq 1
+    t0 = clk::now();
+    size_t set = llama_state_seq_set_data_ext(ctx, buf.data(), got, 1, LLAMA_STATE_SEQ_FLAGS_NONE);
+    double host_set_ms = ms(t0, clk::now());
+
+    // correctness: decode one token after the prefix in BOTH seqs, compare argmax.
+    auto next_logits = [&](int seq) -> const float * {
+        llama_batch b = llama_batch_init(1, 0, 1);
+        b.token[0] = toks.back(); b.pos[0] = n; b.n_seq_id[0] = 1; b.seq_id[0][0] = seq; b.logits[0] = 1; b.n_tokens = 1;
+        llama_decode(ctx, b);
+        const float * lg = llama_get_logits_ith(ctx, 0);
+        llama_batch_free(b);
+        return lg;
+    };
+    int n_vocab = llama_vocab_n_tokens(vocab);
+    const float * l0 = next_logits(0);
+    std::vector<float> l0c(l0, l0 + n_vocab);
+    const float * l1 = next_logits(1);
+    auto argmax = [&](const float * l) { int a = 0; for (int i = 1; i < n_vocab; i++) if (l[i] > l[a]) a = i; return a; };
+    int a0 = argmax(l0c.data()), a1 = argmax(l1);
+    bool ok = (set > 0) && (a0 == a1);
+
+    double bpt = (double) sz_host / n;
+    printf("\n==== omb_kvbench: %s ====\n", model_path);
+    printf("prompt tokens         : %d  (prefill %.1f ms, %.0f tok/s)\n", n, prefill_ms, n / (prefill_ms / 1e3));
+    printf("KV state size (host)  : %.1f MiB  (%.0f bytes/token)\n", sz_host / 1048576.0, bpt);
+    printf("KV state size (ondev) : %.1f MiB\n", sz_dev / 1048576.0);
+    printf("\n--- export paths (the Stage-1 vs Stage-2 comparison) ---\n");
+    printf("(A) /slots file save  : %8.1f ms  (%.2f GB/s)  GPU->host->serialize->tmpfs\n",
+           file_save_ms, fsaved / (file_save_ms / 1e3) / 1e9);
+    printf("(B) host get_data_ext : %8.1f ms  (%.2f GB/s)  GPU->host (one copy)\n",
+           host_get_ms, got / (host_get_ms / 1e3) / 1e9);
+    printf("(C) ON_DEVICE export  :   (stays on device; hand the device buffer to\n");
+    printf("                          Mooncake TE registerLocalMemory for GPUDirect\n");
+    printf("                          RDMA -- zero host copy, the Stage-2 target)\n");
+    printf("import set_data_ext   : %8.1f ms\n", host_set_ms);
+    printf("\nfile-save overhead vs raw host copy : %.2fx slower\n", file_save_ms / host_get_ms);
+    printf("KV round-trip correctness (seq0==seq1 argmax): %s\n", ok ? "PASS" : "FAIL");
+
+    remove(fpath);
+    llama_free(ctx);
+    llama_model_free(model);
+    llama_backend_free();
+    return ok ? 0 : 1;
+}
diff --git a/mooncake-integration/ollama/bridge/cmd/bridged/main.go b/mooncake-integration/ollama/bridge/cmd/bridged/main.go
new file mode 100644
index 00000000..055bf7ad
--- /dev/null
+++ b/mooncake-integration/ollama/bridge/cmd/bridged/main.go
@@ -0,0 +1,151 @@
+// Command bridged is the ollama-mooncake-bridge sidecar daemon. It serves the
+// KVCacheBus over gRPC (TCP + optional Unix socket) and an HTTP/JSON gateway
+// (with Prometheus /metrics), backed by either the real Mooncake Store (via the
+// Python store proxy) or a local filesystem store.
+package main
+
+import (
+	"context"
+	"flag"
+	"log"
+	"net"
+	"net/http"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+
+	bridgepb "github.com/mooncake-ai/ollama-mooncake-bridge/internal/bridge/pb"
+	"github.com/mooncake-ai/ollama-mooncake-bridge/internal/arbiter"
+	"github.com/mooncake-ai/ollama-mooncake-bridge/internal/metrics"
+	"github.com/mooncake-ai/ollama-mooncake-bridge/internal/orchestrator"
+	"github.com/mooncake-ai/ollama-mooncake-bridge/internal/server"
+	"github.com/mooncake-ai/ollama-mooncake-bridge/internal/store"
+	"github.com/prometheus/client_golang/prometheus"
+	"google.golang.org/grpc"
+)
+
+func main() {
+	var (
+		grpcAddr     = flag.String("grpc-addr", "127.0.0.1:52051", "gRPC listen address")
+		grpcUnix     = flag.String("grpc-unix", "", "optional gRPC unix socket path")
+		httpAddr     = flag.String("http-addr", "127.0.0.1:52052", "HTTP/JSON + /metrics listen address")
+		backend      = flag.String("store-backend", "mooncake", "store backend: mooncake | local")
+		proxyAddr    = flag.String("store-proxy-addr", "127.0.0.1:52060", "mooncake store proxy gRPC address")
+		localDir     = flag.String("local-store-dir", "./run/store-local", "local backend directory")
+		slotSavePath = flag.String("slot-save-path", "./run/slots/", "llama.cpp --slot-save-path (shared FS, trailing slash)")
+		blockSize    = flag.Int("block-size", 256, "default cache block size (tokens)")
+		replicaNum   = flag.Uint("replica-num", 1, "default store replica count")
+		minPrefix    = flag.Int("min-prefix-blocks", 1, "do not cache prefixes shorter than this many blocks")
+		cleanup      = flag.Bool("cleanup-files", true, "delete local slot files after store transfer")
+		priorGBps    = flag.Float64("prior-get-gbps", 8.0, "arbiter prior: store read GB/s")
+		priorTPS     = flag.Float64("prior-prefill-tps", 8000, "arbiter prior: prefill tokens/s")
+		minTokens    = flag.Int("arb-min-tokens", 256, "arbiter: minimum matched tokens to bother restoring")
+		safety       = flag.Float64("arb-safety", 0.9, "arbiter: restore only if est_restore < safety*est_recompute")
+	)
+	flag.Parse()
+	log.SetFlags(log.LstdFlags | log.Lmicroseconds)
+
+	// Store backend.
+	var be store.Backend
+	var err error
+	switch *backend {
+	case "local":
+		be, err = store.NewLocalBackend(*localDir)
+	case "mooncake":
+		be, err = store.DialMooncake(*proxyAddr)
+	default:
+		log.Fatalf("unknown store backend %q", *backend)
+	}
+	if err != nil {
+		log.Fatalf("store backend init: %v", err)
+	}
+	defer be.Close()
+
+	// Probe store health (non-fatal: log and continue so /healthz reflects it).
+	{
+		ctx, cancel := context.WithTimeout(context.Background(), 8*time.Second)
+		if hi, herr := be.Health(ctx); herr != nil {
+			log.Printf("WARNING store health: %v", herr)
+		} else {
+			log.Printf("store backend=%s protocol=%s master=%s device=%s", hi.Backend, hi.Protocol, hi.Master, hi.Device)
+		}
+		cancel()
+	}
+
+	reg := prometheus.NewRegistry()
+	mx := metrics.New(reg)
+	arb := arbiter.New(arbiter.Config{
+		PriorGetGBps: *priorGBps, PriorPrefillToksS: *priorTPS, PriorRestoreMsFix: 8,
+		MinTokens: *minTokens, SafetyMargin: *safety, Alpha: 0.3,
+	})
+	orch := orchestrator.New(be, arb, mx, orchestrator.Config{
+		SlotSavePath: *slotSavePath, DefaultBlockSize: *blockSize,
+		DefaultReplicaNum: uint32(*replicaNum), MinPrefixBlocks: *minPrefix, CleanupFiles: *cleanup,
+	})
+
+	// gRPC server.
+	gs := grpc.NewServer(
+		grpc.MaxRecvMsgSize(256<<20),
+		grpc.MaxSendMsgSize(256<<20),
+	)
+	bridgepb.RegisterKVCacheBusServer(gs, server.NewGRPC(orch, be, mx))
+
+	var listeners []net.Listener
+	tl, err := net.Listen("tcp", *grpcAddr)
+	if err != nil {
+		log.Fatalf("grpc tcp listen: %v", err)
+	}
+	listeners = append(listeners, tl)
+	if *grpcUnix != "" {
+		os.Remove(*grpcUnix)
+		ul, uerr := net.Listen("unix", *grpcUnix)
+		if uerr != nil {
+			log.Fatalf("grpc unix listen: %v", uerr)
+		}
+		listeners = append(listeners, ul)
+	}
+	for _, l := range listeners {
+		go func(l net.Listener) {
+			log.Printf("gRPC KVCacheBus on %s", l.Addr())
+			if serr := gs.Serve(l); serr != nil {
+				log.Printf("grpc serve(%s) stopped: %v", l.Addr(), serr)
+			}
+		}(l)
+	}
+
+	// HTTP gateway + metrics.
+	hs := server.NewHTTP(orch, be, mx, reg)
+	httpSrv := &http.Server{Addr: *httpAddr, Handler: hs.Mux()}
+	go func() {
+		log.Printf("HTTP/JSON + /metrics on %s", *httpAddr)
+		if herr := httpSrv.ListenAndServe(); herr != nil && herr != http.ErrServerClosed {
+			log.Printf("http serve stopped: %v", herr)
+		}
+	}()
+
+	// periodic gauge refresh so /metrics shows learned rates even when idle
+	stop := make(chan struct{})
+	go func() {
+		t := time.NewTicker(2 * time.Second)
+		defer t.Stop()
+		for {
+			select {
+			case <-stop:
+				return
+			case <-t.C:
+				orch.RefreshGauges()
+			}
+		}
+	}()
+
+	sig := make(chan os.Signal, 1)
+	signal.Notify(sig, syscall.SIGINT, syscall.SIGTERM)
+	<-sig
+	log.Printf("shutting down...")
+	close(stop)
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+	_ = httpSrv.Shutdown(ctx)
+	gs.GracefulStop()
+}
diff --git a/mooncake-integration/ollama/bridge/go.mod b/mooncake-integration/ollama/bridge/go.mod
new file mode 100644
index 00000000..e62898cb
--- /dev/null
+++ b/mooncake-integration/ollama/bridge/go.mod
@@ -0,0 +1,21 @@
+module github.com/mooncake-ai/ollama-mooncake-bridge
+
+go 1.23
+
+require (
+	github.com/prometheus/client_golang v1.19.1
+	github.com/prometheus/client_model v0.5.0
+	google.golang.org/grpc v1.64.1
+	google.golang.org/protobuf v1.34.2
+)
+
+require (
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // indirect
+	github.com/prometheus/common v0.48.0 // indirect
+	github.com/prometheus/procfs v0.12.0 // indirect
+	golang.org/x/net v0.26.0 // indirect
+	golang.org/x/sys v0.21.0 // indirect
+	golang.org/x/text v0.16.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20240318140521-94a12d6c2237 // indirect
+)
diff --git a/mooncake-integration/ollama/bridge/go.sum b/mooncake-integration/ollama/bridge/go.sum
new file mode 100644
index 00000000..a2c5717e
--- /dev/null
+++ b/mooncake-integration/ollama/bridge/go.sum
@@ -0,0 +1,24 @@
+github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
+github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
+github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
+github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/prometheus/client_golang v1.19.1 h1:wZWJDwK+NameRJuPGDhlnFgx8e8HN3XHQeLaYJFJBOE=
+github.com/prometheus/client_golang v1.19.1/go.mod h1:mP78NwGzrVks5S2H6ab8+ZZGJLZUq1hoULYBAYBw1Ho=
+github.com/prometheus/client_model v0.5.0 h1:VQw1hfvPvk3Uv6Qf29VrPF32JB6rtbgI6cYPYQjL0Qw=
+github.com/prometheus/client_model v0.5.0/go.mod h1:dTiFglRmd66nLR9Pv9f0mZi7B7fk5Pm3gvsjB5tr+kI=
+github.com/prometheus/common v0.48.0 h1:QO8U2CdOzSn1BBsmXJXduaaW+dY/5QLjfB8svtSzKKE=
+github.com/prometheus/common v0.48.0/go.mod h1:0/KsvlIEfPQCQ5I2iNSAWKPZziNCvRs5EC6ILDTlAPc=
+github.com/prometheus/procfs v0.12.0 h1:jluTpSng7V9hY0O2R9DzzJHYb2xULk9VTR1V1R/k6Bo=
+github.com/prometheus/procfs v0.12.0/go.mod h1:pcuDEFsWDnvcgNzo4EEweacyhjeA9Zk3cnaOZAZEfOo=
+golang.org/x/net v0.26.0 h1:soB7SVo0PWrY4vPW/+ay0jKDNScG2X9wFeYlXIvJsOQ=
+golang.org/x/net v0.26.0/go.mod h1:5YKkiSynbBIh3p6iOc/vibscux0x38BZDkn8sCUPxHE=
+golang.org/x/sys v0.21.0 h1:rF+pYz3DAGSQAxAu1CbC7catZg4ebC4UIeIhKxBZvws=
+golang.org/x/sys v0.21.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/text v0.16.0 h1:a94ExnEXNtEwYLGJSIUxnWoxoRz/ZcCsV63ROupILh4=
+golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240318140521-94a12d6c2237 h1:NnYq6UN9ReLM9/Y01KWNOWyI5xQ9kbIms5GGJVwS/Yc=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240318140521-94a12d6c2237/go.mod h1:WtryC6hu0hhx87FDGxWCDptyssuo68sk10vYjF+T9fY=
+google.golang.org/grpc v1.64.1 h1:LKtvyfbX3UGVPFcGqJ9ItpVWW6oN/2XqTxfAnwRRXiA=
+google.golang.org/grpc v1.64.1/go.mod h1:hiQF4LFZelK2WKaP6W0L92zGHtiQdZxk8CrSdvyjeP0=
+google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg=
+google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw=
diff --git a/mooncake-integration/ollama/bridge/internal/arbiter/arbiter.go b/mooncake-integration/ollama/bridge/internal/arbiter/arbiter.go
new file mode 100644
index 00000000..74f26528
--- /dev/null
+++ b/mooncake-integration/ollama/bridge/internal/arbiter/arbiter.go
@@ -0,0 +1,213 @@
+// Package arbiter decides, per request, whether reusing a cached KV prefix is
+// actually worth it — i.e. whether *fetching* the KV from the store is cheaper
+// than *recomputing* it with a prefill.
+//
+// Why this matters: a KV cache only helps if the store can deliver KV bytes
+// faster than the GPU regenerates them during prefill. The break-even bandwidth
+// is
+//
+//	B* = (KV bytes per token) * (prefill tokens/sec)
+//
+// For the models we test that is ~0.6–0.85 GB/s. Over slow TCP loopback we
+// measured ~0.5 GB/s (so recompute wins); over RDMA ~30–40 GB/s (so restore
+// wins by ~50x). A naive "always restore on hit" policy would *lose* on slow
+// transports. The arbiter instead estimates both times from quantities it
+// learns online and picks the cheaper — making the system robust on any fabric.
+//
+// All rates are tracked with EWMAs fed by real observations from the
+// orchestrator, so the estimates self-calibrate to the live hardware.
+package arbiter
+
+import (
+	"fmt"
+	"sync"
+)
+
+// ewma is a thread-safe exponentially-weighted moving average. The FIRST real
+// sample *replaces* the prior (seed-on-first) so the estimate adapts to live
+// hardware within a single observation instead of slowly decaying from a guess.
+type ewma struct {
+	mu    sync.Mutex
+	alpha float64
+	val   float64
+	n     uint64
+}
+
+func newEWMA(alpha, prior float64) *ewma { return &ewma{alpha: alpha, val: prior} }
+
+func (e *ewma) update(sample float64) {
+	if sample <= 0 {
+		return
+	}
+	e.mu.Lock()
+	if e.n == 0 {
+		e.val = sample // seed on first real observation
+	} else {
+		e.val = e.alpha*sample + (1-e.alpha)*e.val
+	}
+	e.n++
+	e.mu.Unlock()
+}
+
+func (e *ewma) get() float64 {
+	e.mu.Lock()
+	defer e.mu.Unlock()
+	return e.val
+}
+
+// Config holds priors and policy knobs.
+type Config struct {
+	// Priors used before any observation.
+	PriorGetGBps      float64 // store read bandwidth, GB/s
+	PriorPrefillToksS float64 // prefill throughput, tokens/s
+	PriorRestoreMsFix float64 // fixed restore overhead (file write + llama load), ms
+	// Policy.
+	MinTokens      int     // never bother below this many matched tokens
+	SafetyMargin   float64 // restore only if est_restore < margin * est_recompute (e.g. 0.85)
+	Alpha          float64 // EWMA smoothing
+}
+
+func DefaultConfig() Config {
+	return Config{
+		PriorGetGBps:      2.0,   // effective end-to-end restore bandwidth (store fetch + GPU load)
+		PriorPrefillToksS: 8000., // typical small-model prefill on a modern GPU
+		PriorRestoreMsFix: 8.0,
+		MinTokens:         256,
+		SafetyMargin:      0.9,
+		Alpha:             0.3,
+	}
+}
+
+// modelState holds the learned rates for one (model, kv-type). Keeping them
+// per-model means a fast tiny model and a slow large model don't pollute each
+// other's restore-vs-recompute decision.
+type modelState struct {
+	getGBps    *ewma // effective end-to-end restore bandwidth (store fetch + GPU load)
+	prefillTPS *ewma // prefill throughput
+	restoreFix *ewma // fixed restore overhead, ms
+}
+
+// Arbiter is safe for concurrent use.
+type Arbiter struct {
+	cfg    Config
+	mu     sync.Mutex
+	states map[string]*modelState
+}
+
+func New(cfg Config) *Arbiter {
+	if cfg.Alpha == 0 {
+		cfg = DefaultConfig()
+	}
+	return &Arbiter{cfg: cfg, states: map[string]*modelState{}}
+}
+
+func (a *Arbiter) state(key string) *modelState {
+	a.mu.Lock()
+	defer a.mu.Unlock()
+	s := a.states[key]
+	if s == nil {
+		s = &modelState{
+			getGBps:    newEWMA(a.cfg.Alpha, a.cfg.PriorGetGBps),
+			prefillTPS: newEWMA(a.cfg.Alpha, a.cfg.PriorPrefillToksS),
+			restoreFix: newEWMA(a.cfg.Alpha, a.cfg.PriorRestoreMsFix),
+		}
+		a.states[key] = s
+	}
+	return s
+}
+
+// Decision is the arbiter's verdict for one candidate prefix.
+type Decision struct {
+	Restore        bool
+	EstRestoreMs   float64
+	EstRecomputeMs float64
+	Reason         string
+}
+
+// Decide weighs restoring a `matchedBytes`/`matchedTokens` prefix for model
+// `key` against recomputing those tokens.
+func (a *Arbiter) Decide(key string, matchedTokens int, matchedBytes uint64) Decision {
+	if matchedTokens < a.cfg.MinTokens {
+		return Decision{Restore: false, Reason: fmt.Sprintf("matched %d toks < min %d", matchedTokens, a.cfg.MinTokens)}
+	}
+	s := a.state(key)
+	gbps := s.getGBps.get()
+	tps := s.prefillTPS.get()
+	fix := s.restoreFix.get()
+
+	estRestore := float64(matchedBytes)/(gbps*1e9)*1e3 + fix // ms
+	estRecompute := float64(matchedTokens) / tps * 1e3       // ms
+
+	if estRestore < a.cfg.SafetyMargin*estRecompute {
+		return Decision{
+			Restore:        true,
+			EstRestoreMs:   estRestore,
+			EstRecomputeMs: estRecompute,
+			Reason: fmt.Sprintf("restore %.1fms < %.0f%%*recompute %.1fms (restore-path %.1fGB/s, prefill %.0f tok/s)",
+				estRestore, a.cfg.SafetyMargin*100, estRecompute, gbps, tps),
+		}
+	}
+	return Decision{
+		Restore:        false,
+		EstRestoreMs:   estRestore,
+		EstRecomputeMs: estRecompute,
+		Reason: fmt.Sprintf("recompute %.1fms <= restore %.1fms (restore-path %.1fGB/s too slow to beat prefill for %s)",
+			estRecompute, estRestore, gbps, humanBytes(matchedBytes)),
+	}
+}
+
+// --- online feedback from the orchestrator ---
+
+// ObserveGet feeds a real end-to-end restore: `bytes` moved in `ms` ms.
+func (a *Arbiter) ObserveGet(key string, bytes uint64, ms float64) {
+	if ms > 0 && bytes > 0 {
+		a.state(key).getGBps.update(float64(bytes) / (ms / 1e3) / 1e9)
+	}
+}
+
+// ObservePrefill feeds a real prefill: `tokens` computed in `ms` ms.
+func (a *Arbiter) ObservePrefill(key string, tokens int, ms float64) {
+	if ms > 0 && tokens > 0 {
+		a.state(key).prefillTPS.update(float64(tokens) / (ms / 1e3))
+	}
+}
+
+// ObserveRestoreFixed feeds the fixed (size-independent) restore overhead.
+func (a *Arbiter) ObserveRestoreFixed(key string, ms float64) { a.state(key).restoreFix.update(ms) }
+
+// Snapshot exposes the average learned estimates across models (for metrics).
+type Snapshot struct {
+	GetGBps      float64
+	PrefillToksS float64
+	RestoreFixMs float64
+	Models       int
+}
+
+func (a *Arbiter) Snapshot() Snapshot {
+	a.mu.Lock()
+	defer a.mu.Unlock()
+	if len(a.states) == 0 {
+		return Snapshot{GetGBps: a.cfg.PriorGetGBps, PrefillToksS: a.cfg.PriorPrefillToksS, RestoreFixMs: a.cfg.PriorRestoreMsFix}
+	}
+	var g, t, f float64
+	for _, s := range a.states {
+		g += s.getGBps.get()
+		t += s.prefillTPS.get()
+		f += s.restoreFix.get()
+	}
+	n := float64(len(a.states))
+	return Snapshot{GetGBps: g / n, PrefillToksS: t / n, RestoreFixMs: f / n, Models: len(a.states)}
+}
+
+func humanBytes(b uint64) string {
+	const u = 1024
+	if b < u {
+		return fmt.Sprintf("%dB", b)
+	}
+	div, exp := uint64(u), 0
+	for n := b / u; n >= u; n /= u {
+		div *= u
+		exp++
+	}
+	return fmt.Sprintf("%.1f%ciB", float64(b)/float64(div), "KMGTPE"[exp])
+}
diff --git a/mooncake-integration/ollama/bridge/internal/arbiter/arbiter_test.go b/mooncake-integration/ollama/bridge/internal/arbiter/arbiter_test.go
new file mode 100644
index 00000000..808c65c1
--- /dev/null
+++ b/mooncake-integration/ollama/bridge/internal/arbiter/arbiter_test.go
@@ -0,0 +1,57 @@
+package arbiter
+
+import "testing"
+
+func cfg() Config {
+	c := DefaultConfig()
+	c.MinTokens = 100
+	return c
+}
+
+func TestDeclineBelowMinTokens(t *testing.T) {
+	a := New(cfg())
+	if a.Decide("m", 50, 1<<20).Restore {
+		t.Fatal("should not restore below MinTokens")
+	}
+}
+
+// On a fast model, after one real (slow) restore observation, the arbiter must
+// flip to recompute — the loss-free property.
+func TestAdaptsToRecompute(t *testing.T) {
+	a := New(cfg())
+	// fast prefill: 20000 tok/s ; a 8000-token, 220MB prefix
+	a.ObservePrefill("fast", 8000, 8000.0/20000*1000) // 400ms
+	// first decision uses the optimistic prior -> restore
+	d0 := a.Decide("fast", 8000, 220<<20)
+	if !d0.Restore {
+		t.Fatalf("first decision should try restore, got %q", d0.Reason)
+	}
+	// observe that the *full* restore actually took 600ms (slower than prefill)
+	a.ObserveGet("fast", 220<<20, 600)
+	d1 := a.Decide("fast", 8000, 220<<20)
+	if d1.Restore {
+		t.Fatalf("after learning slow restore, should recompute; got %q", d1.Reason)
+	}
+}
+
+// On a slow model (large, slow prefill), restore should keep winning.
+func TestRestoreWinsWhenWorthIt(t *testing.T) {
+	a := New(cfg())
+	a.ObservePrefill("big", 30000, 30000.0/8000*1000) // 3750ms to prefill 30k toks
+	a.ObserveGet("big", 880<<20, 1800)                // 880MB restore in 1.8s
+	d := a.Decide("big", 30000, 880<<20)
+	if !d.Restore {
+		t.Fatalf("restore should win for slow-prefill model; got %q", d.Reason)
+	}
+}
+
+// Per-model isolation: a slow model's observations must not poison a fast one.
+func TestPerModelIsolation(t *testing.T) {
+	a := New(cfg())
+	a.ObserveGet("slowstore", 100<<20, 5000) // terrible bandwidth for model A
+	a.ObservePrefill("fastgpu", 8000, 200)   // model B prefills fast
+	// model B has its own (prior) restore estimate, unaffected by A
+	if a.Snapshot().Models != 2 {
+		t.Fatalf("want 2 model states, got %d", a.Snapshot().Models)
+	}
+}
diff --git a/mooncake-integration/ollama/bridge/internal/bridge/pb/bridge.pb.go b/mooncake-integration/ollama/bridge/internal/bridge/pb/bridge.pb.go
new file mode 100644
index 00000000..4fc18839
--- /dev/null
+++ b/mooncake-integration/ollama/bridge/internal/bridge/pb/bridge.pb.go
@@ -0,0 +1,1651 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.34.2
+// 	protoc        v3.12.4
+// source: bridge.proto
+
+// KVCacheBus is the contract between a caller (a coding Agent, the bench
+// harness, or patched Ollama) and the Go sidecar. It implements the three-stage
+// reuse flow: Lookup (longest-prefix match) -> Prepare (Load/restore the matched
+// KV into a llama.cpp slot) -> Commit (Save the produced KV back to the Mooncake
+// Store).
+
+package bridgepb
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// ModelFingerprint: every field that changes KV bytes. A mismatch => miss.
+type ModelFingerprint struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	ModelDigest   string `protobuf:"bytes,1,opt,name=model_digest,json=modelDigest,proto3" json:"model_digest,omitempty"`
+	Arch          string `protobuf:"bytes,2,opt,name=arch,proto3" json:"arch,omitempty"`
+	TokenizerHash string `protobuf:"bytes,3,opt,name=tokenizer_hash,json=tokenizerHash,proto3" json:"tokenizer_hash,omitempty"`
+	RopeHash      string `protobuf:"bytes,4,opt,name=rope_hash,json=ropeHash,proto3" json:"rope_hash,omitempty"`
+	KvType        string `protobuf:"bytes,5,opt,name=kv_type,json=kvType,proto3" json:"kv_type,omitempty"`       // f16 | q8_0 | q4_0 | bf16
+	KvLayout      string `protobuf:"bytes,6,opt,name=kv_layout,json=kvLayout,proto3" json:"kv_layout,omitempty"` // dense | swa
+	NCtxTrain     int32  `protobuf:"varint,7,opt,name=n_ctx_train,json=nCtxTrain,proto3" json:"n_ctx_train,omitempty"`
+	BlockSize     int32  `protobuf:"varint,8,opt,name=block_size,json=blockSize,proto3" json:"block_size,omitempty"`
+	// Optional path to the GGUF file. If set, the sidecar parses it once to fill
+	// any empty arch/tokenizer/rope/ctx fields (and a content-addressed digest),
+	// so callers only need to know the model file.
+	ModelPath string `protobuf:"bytes,9,opt,name=model_path,json=modelPath,proto3" json:"model_path,omitempty"`
+}
+
+func (x *ModelFingerprint) Reset() {
+	*x = ModelFingerprint{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_bridge_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ModelFingerprint) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ModelFingerprint) ProtoMessage() {}
+
+func (x *ModelFingerprint) ProtoReflect() protoreflect.Message {
+	mi := &file_bridge_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ModelFingerprint.ProtoReflect.Descriptor instead.
+func (*ModelFingerprint) Descriptor() ([]byte, []int) {
+	return file_bridge_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *ModelFingerprint) GetModelDigest() string {
+	if x != nil {
+		return x.ModelDigest
+	}
+	return ""
+}
+
+func (x *ModelFingerprint) GetArch() string {
+	if x != nil {
+		return x.Arch
+	}
+	return ""
+}
+
+func (x *ModelFingerprint) GetTokenizerHash() string {
+	if x != nil {
+		return x.TokenizerHash
+	}
+	return ""
+}
+
+func (x *ModelFingerprint) GetRopeHash() string {
+	if x != nil {
+		return x.RopeHash
+	}
+	return ""
+}
+
+func (x *ModelFingerprint) GetKvType() string {
+	if x != nil {
+		return x.KvType
+	}
+	return ""
+}
+
+func (x *ModelFingerprint) GetKvLayout() string {
+	if x != nil {
+		return x.KvLayout
+	}
+	return ""
+}
+
+func (x *ModelFingerprint) GetNCtxTrain() int32 {
+	if x != nil {
+		return x.NCtxTrain
+	}
+	return 0
+}
+
+func (x *ModelFingerprint) GetBlockSize() int32 {
+	if x != nil {
+		return x.BlockSize
+	}
+	return 0
+}
+
+func (x *ModelFingerprint) GetModelPath() string {
+	if x != nil {
+		return x.ModelPath
+	}
+	return ""
+}
+
+// CachePolicy mirrors the user-visible options.mooncake.* request extension.
+type CachePolicy struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Enable    bool   `protobuf:"varint,1,opt,name=enable,proto3" json:"enable,omitempty"`
+	Namespace string `protobuf:"bytes,2,opt,name=namespace,proto3" json:"namespace,omitempty"` // e.g. "repo:my-org/my-repo@main"
+	Read      bool   `protobuf:"varint,3,opt,name=read,proto3" json:"read,omitempty"`
+	Write     bool   `protobuf:"varint,4,opt,name=write,proto3" json:"write,omitempty"`
+	// granularity and transport are accepted for forward compatibility. Block
+	// granularity is the implemented mode; the store transport (tcp|rdma) is
+	// chosen once by the store-proxy at startup rather than per request.
+	Granularity     string `protobuf:"bytes,5,opt,name=granularity,proto3" json:"granularity,omitempty"`                                    // block (implemented) | sequence (reserved)
+	BlockSize       int32  `protobuf:"varint,6,opt,name=block_size,json=blockSize,proto3" json:"block_size,omitempty"`                      // overrides fingerprint block_size if > 0
+	Transport       string `protobuf:"bytes,7,opt,name=transport,proto3" json:"transport,omitempty"`                                        // advisory; effective transport is set on the proxy
+	ReplicaNum      uint32 `protobuf:"varint,8,opt,name=replica_num,json=replicaNum,proto3" json:"replica_num,omitempty"`                   // hot-prefix replication
+	SoftPin         bool   `protobuf:"varint,9,opt,name=soft_pin,json=softPin,proto3" json:"soft_pin,omitempty"`                            // keep hot prefixes resident
+	MinPrefixBlocks int32  `protobuf:"varint,10,opt,name=min_prefix_blocks,json=minPrefixBlocks,proto3" json:"min_prefix_blocks,omitempty"` // admission: don't store prefixes shorter than this
+}
+
+func (x *CachePolicy) Reset() {
+	*x = CachePolicy{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_bridge_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CachePolicy) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CachePolicy) ProtoMessage() {}
+
+func (x *CachePolicy) ProtoReflect() protoreflect.Message {
+	mi := &file_bridge_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CachePolicy.ProtoReflect.Descriptor instead.
+func (*CachePolicy) Descriptor() ([]byte, []int) {
+	return file_bridge_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *CachePolicy) GetEnable() bool {
+	if x != nil {
+		return x.Enable
+	}
+	return false
+}
+
+func (x *CachePolicy) GetNamespace() string {
+	if x != nil {
+		return x.Namespace
+	}
+	return ""
+}
+
+func (x *CachePolicy) GetRead() bool {
+	if x != nil {
+		return x.Read
+	}
+	return false
+}
+
+func (x *CachePolicy) GetWrite() bool {
+	if x != nil {
+		return x.Write
+	}
+	return false
+}
+
+func (x *CachePolicy) GetGranularity() string {
+	if x != nil {
+		return x.Granularity
+	}
+	return ""
+}
+
+func (x *CachePolicy) GetBlockSize() int32 {
+	if x != nil {
+		return x.BlockSize
+	}
+	return 0
+}
+
+func (x *CachePolicy) GetTransport() string {
+	if x != nil {
+		return x.Transport
+	}
+	return ""
+}
+
+func (x *CachePolicy) GetReplicaNum() uint32 {
+	if x != nil {
+		return x.ReplicaNum
+	}
+	return 0
+}
+
+func (x *CachePolicy) GetSoftPin() bool {
+	if x != nil {
+		return x.SoftPin
+	}
+	return false
+}
+
+func (x *CachePolicy) GetMinPrefixBlocks() int32 {
+	if x != nil {
+		return x.MinPrefixBlocks
+	}
+	return 0
+}
+
+// LlamaTarget identifies a running llama.cpp server slot to restore into / read
+// from. base_url like "http://127.0.0.1:52070"; slot_id is the /slots id.
+type LlamaTarget struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	BaseUrl string `protobuf:"bytes,1,opt,name=base_url,json=baseUrl,proto3" json:"base_url,omitempty"`
+	SlotId  int32  `protobuf:"varint,2,opt,name=slot_id,json=slotId,proto3" json:"slot_id,omitempty"`
+}
+
+func (x *LlamaTarget) Reset() {
+	*x = LlamaTarget{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_bridge_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *LlamaTarget) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*LlamaTarget) ProtoMessage() {}
+
+func (x *LlamaTarget) ProtoReflect() protoreflect.Message {
+	mi := &file_bridge_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use LlamaTarget.ProtoReflect.Descriptor instead.
+func (*LlamaTarget) Descriptor() ([]byte, []int) {
+	return file_bridge_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *LlamaTarget) GetBaseUrl() string {
+	if x != nil {
+		return x.BaseUrl
+	}
+	return ""
+}
+
+func (x *LlamaTarget) GetSlotId() int32 {
+	if x != nil {
+		return x.SlotId
+	}
+	return 0
+}
+
+type LookupRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Fp     *ModelFingerprint `protobuf:"bytes,1,opt,name=fp,proto3" json:"fp,omitempty"`
+	Policy *CachePolicy      `protobuf:"bytes,2,opt,name=policy,proto3" json:"policy,omitempty"`
+	Tokens []int32           `protobuf:"varint,3,rep,packed,name=tokens,proto3" json:"tokens,omitempty"`
+}
+
+func (x *LookupRequest) Reset() {
+	*x = LookupRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_bridge_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *LookupRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*LookupRequest) ProtoMessage() {}
+
+func (x *LookupRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_bridge_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use LookupRequest.ProtoReflect.Descriptor instead.
+func (*LookupRequest) Descriptor() ([]byte, []int) {
+	return file_bridge_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *LookupRequest) GetFp() *ModelFingerprint {
+	if x != nil {
+		return x.Fp
+	}
+	return nil
+}
+
+func (x *LookupRequest) GetPolicy() *CachePolicy {
+	if x != nil {
+		return x.Policy
+	}
+	return nil
+}
+
+func (x *LookupRequest) GetTokens() []int32 {
+	if x != nil {
+		return x.Tokens
+	}
+	return nil
+}
+
+type LookupReply struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Hit           bool   `protobuf:"varint,1,opt,name=hit,proto3" json:"hit,omitempty"`
+	MatchedBlocks int32  `protobuf:"varint,2,opt,name=matched_blocks,json=matchedBlocks,proto3" json:"matched_blocks,omitempty"`
+	MatchedTokens int32  `protobuf:"varint,3,opt,name=matched_tokens,json=matchedTokens,proto3" json:"matched_tokens,omitempty"`
+	TotalBlocks   int32  `protobuf:"varint,4,opt,name=total_blocks,json=totalBlocks,proto3" json:"total_blocks,omitempty"`
+	TotalTokens   int32  `protobuf:"varint,5,opt,name=total_tokens,json=totalTokens,proto3" json:"total_tokens,omitempty"`
+	Decision      string `protobuf:"bytes,6,opt,name=decision,proto3" json:"decision,omitempty"` // restore | recompute | miss
+	MatchedKey    string `protobuf:"bytes,7,opt,name=matched_key,json=matchedKey,proto3" json:"matched_key,omitempty"`
+	Reason        string `protobuf:"bytes,8,opt,name=reason,proto3" json:"reason,omitempty"` // arbiter explanation
+	Error         string `protobuf:"bytes,9,opt,name=error,proto3" json:"error,omitempty"`
+}
+
+func (x *LookupReply) Reset() {
+	*x = LookupReply{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_bridge_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *LookupReply) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*LookupReply) ProtoMessage() {}
+
+func (x *LookupReply) ProtoReflect() protoreflect.Message {
+	mi := &file_bridge_proto_msgTypes[4]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use LookupReply.ProtoReflect.Descriptor instead.
+func (*LookupReply) Descriptor() ([]byte, []int) {
+	return file_bridge_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *LookupReply) GetHit() bool {
+	if x != nil {
+		return x.Hit
+	}
+	return false
+}
+
+func (x *LookupReply) GetMatchedBlocks() int32 {
+	if x != nil {
+		return x.MatchedBlocks
+	}
+	return 0
+}
+
+func (x *LookupReply) GetMatchedTokens() int32 {
+	if x != nil {
+		return x.MatchedTokens
+	}
+	return 0
+}
+
+func (x *LookupReply) GetTotalBlocks() int32 {
+	if x != nil {
+		return x.TotalBlocks
+	}
+	return 0
+}
+
+func (x *LookupReply) GetTotalTokens() int32 {
+	if x != nil {
+		return x.TotalTokens
+	}
+	return 0
+}
+
+func (x *LookupReply) GetDecision() string {
+	if x != nil {
+		return x.Decision
+	}
+	return ""
+}
+
+func (x *LookupReply) GetMatchedKey() string {
+	if x != nil {
+		return x.MatchedKey
+	}
+	return ""
+}
+
+func (x *LookupReply) GetReason() string {
+	if x != nil {
+		return x.Reason
+	}
+	return ""
+}
+
+func (x *LookupReply) GetError() string {
+	if x != nil {
+		return x.Error
+	}
+	return ""
+}
+
+type PrepareRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Fp     *ModelFingerprint `protobuf:"bytes,1,opt,name=fp,proto3" json:"fp,omitempty"`
+	Policy *CachePolicy      `protobuf:"bytes,2,opt,name=policy,proto3" json:"policy,omitempty"`
+	Tokens []int32           `protobuf:"varint,3,rep,packed,name=tokens,proto3" json:"tokens,omitempty"`
+	Target *LlamaTarget      `protobuf:"bytes,4,opt,name=target,proto3" json:"target,omitempty"` // if unset, behaves like Lookup (plan only)
+}
+
+func (x *PrepareRequest) Reset() {
+	*x = PrepareRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_bridge_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *PrepareRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*PrepareRequest) ProtoMessage() {}
+
+func (x *PrepareRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_bridge_proto_msgTypes[5]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use PrepareRequest.ProtoReflect.Descriptor instead.
+func (*PrepareRequest) Descriptor() ([]byte, []int) {
+	return file_bridge_proto_rawDescGZIP(), []int{5}
+}
+
+func (x *PrepareRequest) GetFp() *ModelFingerprint {
+	if x != nil {
+		return x.Fp
+	}
+	return nil
+}
+
+func (x *PrepareRequest) GetPolicy() *CachePolicy {
+	if x != nil {
+		return x.Policy
+	}
+	return nil
+}
+
+func (x *PrepareRequest) GetTokens() []int32 {
+	if x != nil {
+		return x.Tokens
+	}
+	return nil
+}
+
+func (x *PrepareRequest) GetTarget() *LlamaTarget {
+	if x != nil {
+		return x.Target
+	}
+	return nil
+}
+
+type PrepareReply struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Hit            bool    `protobuf:"varint,1,opt,name=hit,proto3" json:"hit,omitempty"`
+	MatchedBlocks  int32   `protobuf:"varint,2,opt,name=matched_blocks,json=matchedBlocks,proto3" json:"matched_blocks,omitempty"`
+	MatchedTokens  int32   `protobuf:"varint,3,opt,name=matched_tokens,json=matchedTokens,proto3" json:"matched_tokens,omitempty"`
+	TotalBlocks    int32   `protobuf:"varint,4,opt,name=total_blocks,json=totalBlocks,proto3" json:"total_blocks,omitempty"`
+	TotalTokens    int32   `protobuf:"varint,5,opt,name=total_tokens,json=totalTokens,proto3" json:"total_tokens,omitempty"`
+	Decision       string  `protobuf:"bytes,6,opt,name=decision,proto3" json:"decision,omitempty"`
+	MatchedKey     string  `protobuf:"bytes,7,opt,name=matched_key,json=matchedKey,proto3" json:"matched_key,omitempty"`
+	Restored       bool    `protobuf:"varint,8,opt,name=restored,proto3" json:"restored,omitempty"`
+	RestoredTokens int32   `protobuf:"varint,9,opt,name=restored_tokens,json=restoredTokens,proto3" json:"restored_tokens,omitempty"`
+	RestoreMs      float64 `protobuf:"fixed64,10,opt,name=restore_ms,json=restoreMs,proto3" json:"restore_ms,omitempty"`      // llama /slots restore time
+	StoreGetMs     float64 `protobuf:"fixed64,11,opt,name=store_get_ms,json=storeGetMs,proto3" json:"store_get_ms,omitempty"` // store GetFile time
+	Bytes          uint64  `protobuf:"varint,12,opt,name=bytes,proto3" json:"bytes,omitempty"`
+	Reason         string  `protobuf:"bytes,13,opt,name=reason,proto3" json:"reason,omitempty"`
+	Error          string  `protobuf:"bytes,14,opt,name=error,proto3" json:"error,omitempty"`
+}
+
+func (x *PrepareReply) Reset() {
+	*x = PrepareReply{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_bridge_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *PrepareReply) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*PrepareReply) ProtoMessage() {}
+
+func (x *PrepareReply) ProtoReflect() protoreflect.Message {
+	mi := &file_bridge_proto_msgTypes[6]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use PrepareReply.ProtoReflect.Descriptor instead.
+func (*PrepareReply) Descriptor() ([]byte, []int) {
+	return file_bridge_proto_rawDescGZIP(), []int{6}
+}
+
+func (x *PrepareReply) GetHit() bool {
+	if x != nil {
+		return x.Hit
+	}
+	return false
+}
+
+func (x *PrepareReply) GetMatchedBlocks() int32 {
+	if x != nil {
+		return x.MatchedBlocks
+	}
+	return 0
+}
+
+func (x *PrepareReply) GetMatchedTokens() int32 {
+	if x != nil {
+		return x.MatchedTokens
+	}
+	return 0
+}
+
+func (x *PrepareReply) GetTotalBlocks() int32 {
+	if x != nil {
+		return x.TotalBlocks
+	}
+	return 0
+}
+
+func (x *PrepareReply) GetTotalTokens() int32 {
+	if x != nil {
+		return x.TotalTokens
+	}
+	return 0
+}
+
+func (x *PrepareReply) GetDecision() string {
+	if x != nil {
+		return x.Decision
+	}
+	return ""
+}
+
+func (x *PrepareReply) GetMatchedKey() string {
+	if x != nil {
+		return x.MatchedKey
+	}
+	return ""
+}
+
+func (x *PrepareReply) GetRestored() bool {
+	if x != nil {
+		return x.Restored
+	}
+	return false
+}
+
+func (x *PrepareReply) GetRestoredTokens() int32 {
+	if x != nil {
+		return x.RestoredTokens
+	}
+	return 0
+}
+
+func (x *PrepareReply) GetRestoreMs() float64 {
+	if x != nil {
+		return x.RestoreMs
+	}
+	return 0
+}
+
+func (x *PrepareReply) GetStoreGetMs() float64 {
+	if x != nil {
+		return x.StoreGetMs
+	}
+	return 0
+}
+
+func (x *PrepareReply) GetBytes() uint64 {
+	if x != nil {
+		return x.Bytes
+	}
+	return 0
+}
+
+func (x *PrepareReply) GetReason() string {
+	if x != nil {
+		return x.Reason
+	}
+	return ""
+}
+
+func (x *PrepareReply) GetError() string {
+	if x != nil {
+		return x.Error
+	}
+	return ""
+}
+
+type CommitRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Fp     *ModelFingerprint `protobuf:"bytes,1,opt,name=fp,proto3" json:"fp,omitempty"`
+	Policy *CachePolicy      `protobuf:"bytes,2,opt,name=policy,proto3" json:"policy,omitempty"`
+	Tokens []int32           `protobuf:"varint,3,rep,packed,name=tokens,proto3" json:"tokens,omitempty"` // tokens resident in the slot (the prefill prefix)
+	Target *LlamaTarget      `protobuf:"bytes,4,opt,name=target,proto3" json:"target,omitempty"`
+	// Optional: the caller's observed prefill so the arbiter learns the live
+	// prefill rate (tokens/s) for restore-vs-recompute decisions.
+	PrefillN  int32   `protobuf:"varint,5,opt,name=prefill_n,json=prefillN,proto3" json:"prefill_n,omitempty"`
+	PrefillMs float64 `protobuf:"fixed64,6,opt,name=prefill_ms,json=prefillMs,proto3" json:"prefill_ms,omitempty"`
+}
+
+func (x *CommitRequest) Reset() {
+	*x = CommitRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_bridge_proto_msgTypes[7]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CommitRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CommitRequest) ProtoMessage() {}
+
+func (x *CommitRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_bridge_proto_msgTypes[7]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CommitRequest.ProtoReflect.Descriptor instead.
+func (*CommitRequest) Descriptor() ([]byte, []int) {
+	return file_bridge_proto_rawDescGZIP(), []int{7}
+}
+
+func (x *CommitRequest) GetFp() *ModelFingerprint {
+	if x != nil {
+		return x.Fp
+	}
+	return nil
+}
+
+func (x *CommitRequest) GetPolicy() *CachePolicy {
+	if x != nil {
+		return x.Policy
+	}
+	return nil
+}
+
+func (x *CommitRequest) GetTokens() []int32 {
+	if x != nil {
+		return x.Tokens
+	}
+	return nil
+}
+
+func (x *CommitRequest) GetTarget() *LlamaTarget {
+	if x != nil {
+		return x.Target
+	}
+	return nil
+}
+
+func (x *CommitRequest) GetPrefillN() int32 {
+	if x != nil {
+		return x.PrefillN
+	}
+	return 0
+}
+
+func (x *CommitRequest) GetPrefillMs() float64 {
+	if x != nil {
+		return x.PrefillMs
+	}
+	return 0
+}
+
+type CommitReply struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Ok           bool    `protobuf:"varint,1,opt,name=ok,proto3" json:"ok,omitempty"`
+	Stored       bool    `protobuf:"varint,2,opt,name=stored,proto3" json:"stored,omitempty"` // false if skipped (already present / below threshold)
+	StoredBlocks int32   `protobuf:"varint,3,opt,name=stored_blocks,json=storedBlocks,proto3" json:"stored_blocks,omitempty"`
+	StoredTokens int32   `protobuf:"varint,4,opt,name=stored_tokens,json=storedTokens,proto3" json:"stored_tokens,omitempty"`
+	Bytes        uint64  `protobuf:"varint,5,opt,name=bytes,proto3" json:"bytes,omitempty"`
+	SaveMs       float64 `protobuf:"fixed64,6,opt,name=save_ms,json=saveMs,proto3" json:"save_ms,omitempty"`               // llama /slots save time
+	StorePutMs   float64 `protobuf:"fixed64,7,opt,name=store_put_ms,json=storePutMs,proto3" json:"store_put_ms,omitempty"` // store PutFile time
+	Key          string  `protobuf:"bytes,8,opt,name=key,proto3" json:"key,omitempty"`
+	Reason       string  `protobuf:"bytes,9,opt,name=reason,proto3" json:"reason,omitempty"`
+	Error        string  `protobuf:"bytes,10,opt,name=error,proto3" json:"error,omitempty"`
+}
+
+func (x *CommitReply) Reset() {
+	*x = CommitReply{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_bridge_proto_msgTypes[8]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CommitReply) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CommitReply) ProtoMessage() {}
+
+func (x *CommitReply) ProtoReflect() protoreflect.Message {
+	mi := &file_bridge_proto_msgTypes[8]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CommitReply.ProtoReflect.Descriptor instead.
+func (*CommitReply) Descriptor() ([]byte, []int) {
+	return file_bridge_proto_rawDescGZIP(), []int{8}
+}
+
+func (x *CommitReply) GetOk() bool {
+	if x != nil {
+		return x.Ok
+	}
+	return false
+}
+
+func (x *CommitReply) GetStored() bool {
+	if x != nil {
+		return x.Stored
+	}
+	return false
+}
+
+func (x *CommitReply) GetStoredBlocks() int32 {
+	if x != nil {
+		return x.StoredBlocks
+	}
+	return 0
+}
+
+func (x *CommitReply) GetStoredTokens() int32 {
+	if x != nil {
+		return x.StoredTokens
+	}
+	return 0
+}
+
+func (x *CommitReply) GetBytes() uint64 {
+	if x != nil {
+		return x.Bytes
+	}
+	return 0
+}
+
+func (x *CommitReply) GetSaveMs() float64 {
+	if x != nil {
+		return x.SaveMs
+	}
+	return 0
+}
+
+func (x *CommitReply) GetStorePutMs() float64 {
+	if x != nil {
+		return x.StorePutMs
+	}
+	return 0
+}
+
+func (x *CommitReply) GetKey() string {
+	if x != nil {
+		return x.Key
+	}
+	return ""
+}
+
+func (x *CommitReply) GetReason() string {
+	if x != nil {
+		return x.Reason
+	}
+	return ""
+}
+
+func (x *CommitReply) GetError() string {
+	if x != nil {
+		return x.Error
+	}
+	return ""
+}
+
+type HealthRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *HealthRequest) Reset() {
+	*x = HealthRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_bridge_proto_msgTypes[9]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *HealthRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*HealthRequest) ProtoMessage() {}
+
+func (x *HealthRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_bridge_proto_msgTypes[9]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use HealthRequest.ProtoReflect.Descriptor instead.
+func (*HealthRequest) Descriptor() ([]byte, []int) {
+	return file_bridge_proto_rawDescGZIP(), []int{9}
+}
+
+type HealthReply struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Ok           bool   `protobuf:"varint,1,opt,name=ok,proto3" json:"ok,omitempty"`
+	Version      string `protobuf:"bytes,2,opt,name=version,proto3" json:"version,omitempty"`
+	StoreBackend string `protobuf:"bytes,3,opt,name=store_backend,json=storeBackend,proto3" json:"store_backend,omitempty"`
+	StoreOk      bool   `protobuf:"varint,4,opt,name=store_ok,json=storeOk,proto3" json:"store_ok,omitempty"`
+	Protocol     string `protobuf:"bytes,5,opt,name=protocol,proto3" json:"protocol,omitempty"`
+	Detail       string `protobuf:"bytes,6,opt,name=detail,proto3" json:"detail,omitempty"`
+}
+
+func (x *HealthReply) Reset() {
+	*x = HealthReply{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_bridge_proto_msgTypes[10]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *HealthReply) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*HealthReply) ProtoMessage() {}
+
+func (x *HealthReply) ProtoReflect() protoreflect.Message {
+	mi := &file_bridge_proto_msgTypes[10]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use HealthReply.ProtoReflect.Descriptor instead.
+func (*HealthReply) Descriptor() ([]byte, []int) {
+	return file_bridge_proto_rawDescGZIP(), []int{10}
+}
+
+func (x *HealthReply) GetOk() bool {
+	if x != nil {
+		return x.Ok
+	}
+	return false
+}
+
+func (x *HealthReply) GetVersion() string {
+	if x != nil {
+		return x.Version
+	}
+	return ""
+}
+
+func (x *HealthReply) GetStoreBackend() string {
+	if x != nil {
+		return x.StoreBackend
+	}
+	return ""
+}
+
+func (x *HealthReply) GetStoreOk() bool {
+	if x != nil {
+		return x.StoreOk
+	}
+	return false
+}
+
+func (x *HealthReply) GetProtocol() string {
+	if x != nil {
+		return x.Protocol
+	}
+	return ""
+}
+
+func (x *HealthReply) GetDetail() string {
+	if x != nil {
+		return x.Detail
+	}
+	return ""
+}
+
+type StatsRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *StatsRequest) Reset() {
+	*x = StatsRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_bridge_proto_msgTypes[11]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *StatsRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*StatsRequest) ProtoMessage() {}
+
+func (x *StatsRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_bridge_proto_msgTypes[11]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use StatsRequest.ProtoReflect.Descriptor instead.
+func (*StatsRequest) Descriptor() ([]byte, []int) {
+	return file_bridge_proto_rawDescGZIP(), []int{11}
+}
+
+type StatsReply struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	PrepareTotal       uint64 `protobuf:"varint,1,opt,name=prepare_total,json=prepareTotal,proto3" json:"prepare_total,omitempty"`
+	Hits               uint64 `protobuf:"varint,2,opt,name=hits,proto3" json:"hits,omitempty"`
+	Misses             uint64 `protobuf:"varint,3,opt,name=misses,proto3" json:"misses,omitempty"`
+	HitBlocks          uint64 `protobuf:"varint,4,opt,name=hit_blocks,json=hitBlocks,proto3" json:"hit_blocks,omitempty"`
+	MissBlocks         uint64 `protobuf:"varint,5,opt,name=miss_blocks,json=missBlocks,proto3" json:"miss_blocks,omitempty"`
+	SavedPrefillTokens uint64 `protobuf:"varint,6,opt,name=saved_prefill_tokens,json=savedPrefillTokens,proto3" json:"saved_prefill_tokens,omitempty"` // primary effectiveness metric
+	RestoreCount       uint64 `protobuf:"varint,7,opt,name=restore_count,json=restoreCount,proto3" json:"restore_count,omitempty"`
+	CommitCount        uint64 `protobuf:"varint,8,opt,name=commit_count,json=commitCount,proto3" json:"commit_count,omitempty"`
+	BytesGet           uint64 `protobuf:"varint,9,opt,name=bytes_get,json=bytesGet,proto3" json:"bytes_get,omitempty"`
+	BytesPut           uint64 `protobuf:"varint,10,opt,name=bytes_put,json=bytesPut,proto3" json:"bytes_put,omitempty"`
+}
+
+func (x *StatsReply) Reset() {
+	*x = StatsReply{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_bridge_proto_msgTypes[12]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *StatsReply) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*StatsReply) ProtoMessage() {}
+
+func (x *StatsReply) ProtoReflect() protoreflect.Message {
+	mi := &file_bridge_proto_msgTypes[12]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use StatsReply.ProtoReflect.Descriptor instead.
+func (*StatsReply) Descriptor() ([]byte, []int) {
+	return file_bridge_proto_rawDescGZIP(), []int{12}
+}
+
+func (x *StatsReply) GetPrepareTotal() uint64 {
+	if x != nil {
+		return x.PrepareTotal
+	}
+	return 0
+}
+
+func (x *StatsReply) GetHits() uint64 {
+	if x != nil {
+		return x.Hits
+	}
+	return 0
+}
+
+func (x *StatsReply) GetMisses() uint64 {
+	if x != nil {
+		return x.Misses
+	}
+	return 0
+}
+
+func (x *StatsReply) GetHitBlocks() uint64 {
+	if x != nil {
+		return x.HitBlocks
+	}
+	return 0
+}
+
+func (x *StatsReply) GetMissBlocks() uint64 {
+	if x != nil {
+		return x.MissBlocks
+	}
+	return 0
+}
+
+func (x *StatsReply) GetSavedPrefillTokens() uint64 {
+	if x != nil {
+		return x.SavedPrefillTokens
+	}
+	return 0
+}
+
+func (x *StatsReply) GetRestoreCount() uint64 {
+	if x != nil {
+		return x.RestoreCount
+	}
+	return 0
+}
+
+func (x *StatsReply) GetCommitCount() uint64 {
+	if x != nil {
+		return x.CommitCount
+	}
+	return 0
+}
+
+func (x *StatsReply) GetBytesGet() uint64 {
+	if x != nil {
+		return x.BytesGet
+	}
+	return 0
+}
+
+func (x *StatsReply) GetBytesPut() uint64 {
+	if x != nil {
+		return x.BytesPut
+	}
+	return 0
+}
+
+var File_bridge_proto protoreflect.FileDescriptor
+
+var file_bridge_proto_rawDesc = []byte{
+	0x0a, 0x0c, 0x62, 0x72, 0x69, 0x64, 0x67, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x09,
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+}
+
+var (
+	file_bridge_proto_rawDescOnce sync.Once
+	file_bridge_proto_rawDescData = file_bridge_proto_rawDesc
+)
+
+func file_bridge_proto_rawDescGZIP() []byte {
+	file_bridge_proto_rawDescOnce.Do(func() {
+		file_bridge_proto_rawDescData = protoimpl.X.CompressGZIP(file_bridge_proto_rawDescData)
+	})
+	return file_bridge_proto_rawDescData
+}
+
+var file_bridge_proto_msgTypes = make([]protoimpl.MessageInfo, 13)
+var file_bridge_proto_goTypes = []any{
+	(*ModelFingerprint)(nil), // 0: bridge.v1.ModelFingerprint
+	(*CachePolicy)(nil),      // 1: bridge.v1.CachePolicy
+	(*LlamaTarget)(nil),      // 2: bridge.v1.LlamaTarget
+	(*LookupRequest)(nil),    // 3: bridge.v1.LookupRequest
+	(*LookupReply)(nil),      // 4: bridge.v1.LookupReply
+	(*PrepareRequest)(nil),   // 5: bridge.v1.PrepareRequest
+	(*PrepareReply)(nil),     // 6: bridge.v1.PrepareReply
+	(*CommitRequest)(nil),    // 7: bridge.v1.CommitRequest
+	(*CommitReply)(nil),      // 8: bridge.v1.CommitReply
+	(*HealthRequest)(nil),    // 9: bridge.v1.HealthRequest
+	(*HealthReply)(nil),      // 10: bridge.v1.HealthReply
+	(*StatsRequest)(nil),     // 11: bridge.v1.StatsRequest
+	(*StatsReply)(nil),       // 12: bridge.v1.StatsReply
+}
+var file_bridge_proto_depIdxs = []int32{
+	0,  // 0: bridge.v1.LookupRequest.fp:type_name -> bridge.v1.ModelFingerprint
+	1,  // 1: bridge.v1.LookupRequest.policy:type_name -> bridge.v1.CachePolicy
+	0,  // 2: bridge.v1.PrepareRequest.fp:type_name -> bridge.v1.ModelFingerprint
+	1,  // 3: bridge.v1.PrepareRequest.policy:type_name -> bridge.v1.CachePolicy
+	2,  // 4: bridge.v1.PrepareRequest.target:type_name -> bridge.v1.LlamaTarget
+	0,  // 5: bridge.v1.CommitRequest.fp:type_name -> bridge.v1.ModelFingerprint
+	1,  // 6: bridge.v1.CommitRequest.policy:type_name -> bridge.v1.CachePolicy
+	2,  // 7: bridge.v1.CommitRequest.target:type_name -> bridge.v1.LlamaTarget
+	9,  // 8: bridge.v1.KVCacheBus.Health:input_type -> bridge.v1.HealthRequest
+	3,  // 9: bridge.v1.KVCacheBus.Lookup:input_type -> bridge.v1.LookupRequest
+	5,  // 10: bridge.v1.KVCacheBus.Prepare:input_type -> bridge.v1.PrepareRequest
+	7,  // 11: bridge.v1.KVCacheBus.Commit:input_type -> bridge.v1.CommitRequest
+	11, // 12: bridge.v1.KVCacheBus.Stats:input_type -> bridge.v1.StatsRequest
+	10, // 13: bridge.v1.KVCacheBus.Health:output_type -> bridge.v1.HealthReply
+	4,  // 14: bridge.v1.KVCacheBus.Lookup:output_type -> bridge.v1.LookupReply
+	6,  // 15: bridge.v1.KVCacheBus.Prepare:output_type -> bridge.v1.PrepareReply
+	8,  // 16: bridge.v1.KVCacheBus.Commit:output_type -> bridge.v1.CommitReply
+	12, // 17: bridge.v1.KVCacheBus.Stats:output_type -> bridge.v1.StatsReply
+	13, // [13:18] is the sub-list for method output_type
+	8,  // [8:13] is the sub-list for method input_type
+	8,  // [8:8] is the sub-list for extension type_name
+	8,  // [8:8] is the sub-list for extension extendee
+	0,  // [0:8] is the sub-list for field type_name
+}
+
+func init() { file_bridge_proto_init() }
+func file_bridge_proto_init() {
+	if File_bridge_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_bridge_proto_msgTypes[0].Exporter = func(v any, i int) any {
+			switch v := v.(*ModelFingerprint); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_bridge_proto_msgTypes[1].Exporter = func(v any, i int) any {
+			switch v := v.(*CachePolicy); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_bridge_proto_msgTypes[2].Exporter = func(v any, i int) any {
+			switch v := v.(*LlamaTarget); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_bridge_proto_msgTypes[3].Exporter = func(v any, i int) any {
+			switch v := v.(*LookupRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_bridge_proto_msgTypes[4].Exporter = func(v any, i int) any {
+			switch v := v.(*LookupReply); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_bridge_proto_msgTypes[5].Exporter = func(v any, i int) any {
+			switch v := v.(*PrepareRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_bridge_proto_msgTypes[6].Exporter = func(v any, i int) any {
+			switch v := v.(*PrepareReply); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_bridge_proto_msgTypes[7].Exporter = func(v any, i int) any {
+			switch v := v.(*CommitRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_bridge_proto_msgTypes[8].Exporter = func(v any, i int) any {
+			switch v := v.(*CommitReply); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_bridge_proto_msgTypes[9].Exporter = func(v any, i int) any {
+			switch v := v.(*HealthRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_bridge_proto_msgTypes[10].Exporter = func(v any, i int) any {
+			switch v := v.(*HealthReply); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_bridge_proto_msgTypes[11].Exporter = func(v any, i int) any {
+			switch v := v.(*StatsRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_bridge_proto_msgTypes[12].Exporter = func(v any, i int) any {
+			switch v := v.(*StatsReply); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_bridge_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   13,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_bridge_proto_goTypes,
+		DependencyIndexes: file_bridge_proto_depIdxs,
+		MessageInfos:      file_bridge_proto_msgTypes,
+	}.Build()
+	File_bridge_proto = out.File
+	file_bridge_proto_rawDesc = nil
+	file_bridge_proto_goTypes = nil
+	file_bridge_proto_depIdxs = nil
+}
diff --git a/mooncake-integration/ollama/bridge/internal/bridge/pb/bridge_grpc.pb.go b/mooncake-integration/ollama/bridge/internal/bridge/pb/bridge_grpc.pb.go
new file mode 100644
index 00000000..41662985
--- /dev/null
+++ b/mooncake-integration/ollama/bridge/internal/bridge/pb/bridge_grpc.pb.go
@@ -0,0 +1,278 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.4.0
+// - protoc             v3.12.4
+// source: bridge.proto
+
+// KVCacheBus is the contract between a caller (a coding Agent, the bench
+// harness, or patched Ollama) and the Go sidecar. It implements the three-stage
+// reuse flow: Lookup (longest-prefix match) -> Prepare (Load/restore the matched
+// KV into a llama.cpp slot) -> Commit (Save the produced KV back to the Mooncake
+// Store).
+
+package bridgepb
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.62.0 or later.
+const _ = grpc.SupportPackageIsVersion8
+
+const (
+	KVCacheBus_Health_FullMethodName  = "/bridge.v1.KVCacheBus/Health"
+	KVCacheBus_Lookup_FullMethodName  = "/bridge.v1.KVCacheBus/Lookup"
+	KVCacheBus_Prepare_FullMethodName = "/bridge.v1.KVCacheBus/Prepare"
+	KVCacheBus_Commit_FullMethodName  = "/bridge.v1.KVCacheBus/Commit"
+	KVCacheBus_Stats_FullMethodName   = "/bridge.v1.KVCacheBus/Stats"
+)
+
+// KVCacheBusClient is the client API for KVCacheBus service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type KVCacheBusClient interface {
+	Health(ctx context.Context, in *HealthRequest, opts ...grpc.CallOption) (*HealthReply, error)
+	// Lookup is read-only: longest block-prefix match + arbiter decision, no I/O
+	// into llama.cpp. Useful for inspection / benchmarking.
+	Lookup(ctx context.Context, in *LookupRequest, opts ...grpc.CallOption) (*LookupReply, error)
+	// Prepare = Lookup + (if a hit and the cost arbiter approves) restore the
+	// matched KV prefix into target.slot so llama.cpp only prefills the tail.
+	Prepare(ctx context.Context, in *PrepareRequest, opts ...grpc.CallOption) (*PrepareReply, error)
+	// Commit = Save the KV currently held in target.slot and Put it to the store.
+	Commit(ctx context.Context, in *CommitRequest, opts ...grpc.CallOption) (*CommitReply, error)
+	Stats(ctx context.Context, in *StatsRequest, opts ...grpc.CallOption) (*StatsReply, error)
+}
+
+type kVCacheBusClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewKVCacheBusClient(cc grpc.ClientConnInterface) KVCacheBusClient {
+	return &kVCacheBusClient{cc}
+}
+
+func (c *kVCacheBusClient) Health(ctx context.Context, in *HealthRequest, opts ...grpc.CallOption) (*HealthReply, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(HealthReply)
+	err := c.cc.Invoke(ctx, KVCacheBus_Health_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *kVCacheBusClient) Lookup(ctx context.Context, in *LookupRequest, opts ...grpc.CallOption) (*LookupReply, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(LookupReply)
+	err := c.cc.Invoke(ctx, KVCacheBus_Lookup_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *kVCacheBusClient) Prepare(ctx context.Context, in *PrepareRequest, opts ...grpc.CallOption) (*PrepareReply, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(PrepareReply)
+	err := c.cc.Invoke(ctx, KVCacheBus_Prepare_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *kVCacheBusClient) Commit(ctx context.Context, in *CommitRequest, opts ...grpc.CallOption) (*CommitReply, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(CommitReply)
+	err := c.cc.Invoke(ctx, KVCacheBus_Commit_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *kVCacheBusClient) Stats(ctx context.Context, in *StatsRequest, opts ...grpc.CallOption) (*StatsReply, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(StatsReply)
+	err := c.cc.Invoke(ctx, KVCacheBus_Stats_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// KVCacheBusServer is the server API for KVCacheBus service.
+// All implementations must embed UnimplementedKVCacheBusServer
+// for forward compatibility
+type KVCacheBusServer interface {
+	Health(context.Context, *HealthRequest) (*HealthReply, error)
+	// Lookup is read-only: longest block-prefix match + arbiter decision, no I/O
+	// into llama.cpp. Useful for inspection / benchmarking.
+	Lookup(context.Context, *LookupRequest) (*LookupReply, error)
+	// Prepare = Lookup + (if a hit and the cost arbiter approves) restore the
+	// matched KV prefix into target.slot so llama.cpp only prefills the tail.
+	Prepare(context.Context, *PrepareRequest) (*PrepareReply, error)
+	// Commit = Save the KV currently held in target.slot and Put it to the store.
+	Commit(context.Context, *CommitRequest) (*CommitReply, error)
+	Stats(context.Context, *StatsRequest) (*StatsReply, error)
+	mustEmbedUnimplementedKVCacheBusServer()
+}
+
+// UnimplementedKVCacheBusServer must be embedded to have forward compatible implementations.
+type UnimplementedKVCacheBusServer struct {
+}
+
+func (UnimplementedKVCacheBusServer) Health(context.Context, *HealthRequest) (*HealthReply, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Health not implemented")
+}
+func (UnimplementedKVCacheBusServer) Lookup(context.Context, *LookupRequest) (*LookupReply, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Lookup not implemented")
+}
+func (UnimplementedKVCacheBusServer) Prepare(context.Context, *PrepareRequest) (*PrepareReply, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Prepare not implemented")
+}
+func (UnimplementedKVCacheBusServer) Commit(context.Context, *CommitRequest) (*CommitReply, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Commit not implemented")
+}
+func (UnimplementedKVCacheBusServer) Stats(context.Context, *StatsRequest) (*StatsReply, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Stats not implemented")
+}
+func (UnimplementedKVCacheBusServer) mustEmbedUnimplementedKVCacheBusServer() {}
+
+// UnsafeKVCacheBusServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to KVCacheBusServer will
+// result in compilation errors.
+type UnsafeKVCacheBusServer interface {
+	mustEmbedUnimplementedKVCacheBusServer()
+}
+
+func RegisterKVCacheBusServer(s grpc.ServiceRegistrar, srv KVCacheBusServer) {
+	s.RegisterService(&KVCacheBus_ServiceDesc, srv)
+}
+
+func _KVCacheBus_Health_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(HealthRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(KVCacheBusServer).Health(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: KVCacheBus_Health_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(KVCacheBusServer).Health(ctx, req.(*HealthRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _KVCacheBus_Lookup_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(LookupRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(KVCacheBusServer).Lookup(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: KVCacheBus_Lookup_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(KVCacheBusServer).Lookup(ctx, req.(*LookupRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _KVCacheBus_Prepare_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(PrepareRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(KVCacheBusServer).Prepare(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: KVCacheBus_Prepare_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(KVCacheBusServer).Prepare(ctx, req.(*PrepareRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _KVCacheBus_Commit_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(CommitRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(KVCacheBusServer).Commit(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: KVCacheBus_Commit_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(KVCacheBusServer).Commit(ctx, req.(*CommitRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _KVCacheBus_Stats_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(StatsRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(KVCacheBusServer).Stats(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: KVCacheBus_Stats_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(KVCacheBusServer).Stats(ctx, req.(*StatsRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// KVCacheBus_ServiceDesc is the grpc.ServiceDesc for KVCacheBus service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var KVCacheBus_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "bridge.v1.KVCacheBus",
+	HandlerType: (*KVCacheBusServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "Health",
+			Handler:    _KVCacheBus_Health_Handler,
+		},
+		{
+			MethodName: "Lookup",
+			Handler:    _KVCacheBus_Lookup_Handler,
+		},
+		{
+			MethodName: "Prepare",
+			Handler:    _KVCacheBus_Prepare_Handler,
+		},
+		{
+			MethodName: "Commit",
+			Handler:    _KVCacheBus_Commit_Handler,
+		},
+		{
+			MethodName: "Stats",
+			Handler:    _KVCacheBus_Stats_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "bridge.proto",
+}
diff --git a/mooncake-integration/ollama/bridge/internal/cachekey/gguf_meta.go b/mooncake-integration/ollama/bridge/internal/cachekey/gguf_meta.go
new file mode 100644
index 00000000..c3df2b2a
--- /dev/null
+++ b/mooncake-integration/ollama/bridge/internal/cachekey/gguf_meta.go
@@ -0,0 +1,320 @@
+package cachekey
+
+import (
+	"bufio"
+	"crypto/sha256"
+	"encoding/binary"
+	"encoding/hex"
+	"fmt"
+	"io"
+	"math"
+	"os"
+	"sort"
+	"strings"
+)
+
+// GGUF metadata value types (see ggml-org/llama.cpp gguf spec).
+const (
+	ggufUint8 uint32 = iota
+	ggufInt8
+	ggufUint16
+	ggufInt16
+	ggufUint32
+	ggufInt32
+	ggufFloat32
+	ggufBool
+	ggufString
+	ggufArray
+	ggufUint64
+	ggufInt64
+	ggufFloat64
+)
+
+// GGUFMeta is the subset of GGUF metadata we parse. We deliberately read only
+// the header KV block (not tensor data), so this is fast even for multi-GB
+// files.
+type GGUFMeta struct {
+	Path     string
+	Version  uint32
+	Arch     string
+	KV       map[string]any // raw metadata kv (scalars + small arrays summarized)
+	metaHash string         // sha256 of the raw metadata block bytes
+}
+
+// ReadGGUFMeta parses just enough of a .gguf file to build a ModelFingerprint.
+func ReadGGUFMeta(path string) (*GGUFMeta, error) {
+	f, err := os.Open(path)
+	if err != nil {
+		return nil, err
+	}
+	defer f.Close()
+	br := bufio.NewReaderSize(f, 1<<20)
+
+	// We hash every byte we consume from the metadata block to derive a stable
+	// model digest without hashing the (huge) tensor payload.
+	hsh := sha256.New()
+	r := io.TeeReader(br, hsh)
+
+	var magic [4]byte
+	if _, err := io.ReadFull(r, magic[:]); err != nil {
+		return nil, err
+	}
+	if string(magic[:]) != "GGUF" {
+		return nil, fmt.Errorf("not a GGUF file (magic=%q)", magic[:])
+	}
+	m := &GGUFMeta{Path: path, KV: map[string]any{}}
+	rd := &leReader{r: r}
+	m.Version = rd.u32()
+	_ = rd.u64() // tensor_count (we don't need tensors)
+	kvCount := rd.u64()
+	if rd.err != nil {
+		return nil, rd.err
+	}
+	for i := uint64(0); i < kvCount && rd.err == nil; i++ {
+		key := rd.str()
+		val := rd.value()
+		if key != "" {
+			m.KV[key] = val
+		}
+	}
+	if rd.err != nil && rd.err != io.EOF {
+		return nil, fmt.Errorf("gguf parse: %w", rd.err)
+	}
+	if a, ok := m.KV["general.architecture"].(string); ok {
+		m.Arch = a
+	}
+	m.metaHash = hex.EncodeToString(hsh.Sum(nil))
+	return m, nil
+}
+
+// Fingerprint derives a ModelFingerprint from parsed GGUF metadata. kvType is
+// the runtime --cache-type-k/v (defaults to f16); swa marks sliding-window
+// attention. modelDigest, if non-empty (e.g. an Ollama blob digest), overrides
+// the metadata-hash fallback.
+func (m *GGUFMeta) Fingerprint(modelDigest, kvType string, swa bool, blockSize int) ModelFingerprint {
+	if modelDigest == "" {
+		modelDigest = "ggufmeta-" + m.metaHash[:24]
+	}
+	if kvType == "" {
+		kvType = "f16"
+	}
+	layout := "dense"
+	if swa {
+		layout = "swa"
+	}
+	fp := ModelFingerprint{
+		ModelDigest:   modelDigest,
+		Arch:          orUnknown(m.Arch),
+		TokenizerHash: m.tokenizerHash(),
+		RopeHash:      m.ropeHash(),
+		KVType:        kvType,
+		KVLayout:      layout,
+		NCtxTrain:     m.ctxLen(),
+		BlockSize:     blockSize,
+	}
+	return fp
+}
+
+func (m *GGUFMeta) archKey(suffix string) string { return m.Arch + "." + suffix }
+
+func (m *GGUFMeta) ctxLen() int {
+	if v, ok := toInt(m.KV[m.archKey("context_length")]); ok {
+		return v
+	}
+	return 0
+}
+
+// tokenizerHash folds the tokenizer model id and a compact signature of the
+// vocabulary (size + a sample fingerprint) so different tokenizers never share
+// keys, without serializing the whole vocab.
+func (m *GGUFMeta) tokenizerHash() string {
+	h := sha256.New()
+	write := func(k string) {
+		if v, ok := m.KV[k]; ok {
+			fmt.Fprintf(h, "%s=%v;", k, summarize(v))
+		}
+	}
+	write("tokenizer.ggml.model")
+	write("tokenizer.ggml.pre")
+	write("tokenizer.ggml.bos_token_id")
+	write("tokenizer.ggml.eos_token_id")
+	write("tokenizer.ggml.add_bos_token")
+	write("tokenizer.chat_template")
+	return hex.EncodeToString(h.Sum(nil)[:12])
+}
+
+func (m *GGUFMeta) ropeHash() string {
+	h := sha256.New()
+	for _, k := range []string{
+		m.archKey("rope.dimension_count"),
+		m.archKey("rope.freq_base"),
+		m.archKey("rope.scaling.type"),
+		m.archKey("rope.scaling.factor"),
+		m.archKey("rope.scaling.original_context_length"),
+		m.archKey("embedding_length"),
+		m.archKey("attention.head_count"),
+		m.archKey("attention.head_count_kv"),
+		m.archKey("block_count"),
+	} {
+		if v, ok := m.KV[k]; ok {
+			fmt.Fprintf(h, "%s=%v;", k, summarize(v))
+		}
+	}
+	return hex.EncodeToString(h.Sum(nil)[:12])
+}
+
+// ---- low-level little-endian GGUF reader ----
+
+type leReader struct {
+	r   io.Reader
+	err error
+	b8  [8]byte
+}
+
+func (z *leReader) read(n int) []byte {
+	if z.err != nil {
+		return nil
+	}
+	buf := make([]byte, n)
+	if _, err := io.ReadFull(z.r, buf); err != nil {
+		z.err = err
+		return nil
+	}
+	return buf
+}
+func (z *leReader) u32() uint32 {
+	if z.err != nil {
+		return 0
+	}
+	if _, err := io.ReadFull(z.r, z.b8[:4]); err != nil {
+		z.err = err
+		return 0
+	}
+	return binary.LittleEndian.Uint32(z.b8[:4])
+}
+func (z *leReader) u64() uint64 {
+	if z.err != nil {
+		return 0
+	}
+	if _, err := io.ReadFull(z.r, z.b8[:8]); err != nil {
+		z.err = err
+		return 0
+	}
+	return binary.LittleEndian.Uint64(z.b8[:8])
+}
+func (z *leReader) str() string {
+	n := z.u64()
+	if z.err != nil || n > (1<<28) { // guard against corrupt lengths
+		if n > (1 << 28) {
+			z.err = fmt.Errorf("gguf string too long: %d", n)
+		}
+		return ""
+	}
+	return string(z.read(int(n)))
+}
+
+// value reads a single typed metadata value. Arrays are summarized (we keep
+// length + first few elements) to avoid materializing huge vocab arrays.
+func (z *leReader) value() any {
+	t := z.u32()
+	return z.valueOfType(t)
+}
+
+func (z *leReader) valueOfType(t uint32) any {
+	switch t {
+	case ggufUint8:
+		return uint64(z.read(1)[0])
+	case ggufInt8:
+		return int64(int8(z.read(1)[0]))
+	case ggufUint16:
+		b := z.read(2)
+		if b == nil {
+			return nil
+		}
+		return uint64(binary.LittleEndian.Uint16(b))
+	case ggufInt16:
+		b := z.read(2)
+		if b == nil {
+			return nil
+		}
+		return int64(int16(binary.LittleEndian.Uint16(b)))
+	case ggufUint32:
+		return uint64(z.u32())
+	case ggufInt32:
+		return int64(int32(z.u32()))
+	case ggufFloat32:
+		return float64(math.Float32frombits(z.u32()))
+	case ggufBool:
+		b := z.read(1)
+		if b == nil {
+			return nil
+		}
+		return b[0] != 0
+	case ggufString:
+		return z.str()
+	case ggufUint64:
+		return z.u64()
+	case ggufInt64:
+		return int64(z.u64())
+	case ggufFloat64:
+		return math.Float64frombits(z.u64())
+	case ggufArray:
+		et := z.u32()
+		n := z.u64()
+		if z.err != nil {
+			return nil
+		}
+		// Summarize: keep length + up to 8 sample elements so tokenizer arrays
+		// don't blow up memory but still contribute to the signature.
+		const sample = 8
+		arr := arraySummary{ElemType: et, Len: n}
+		for i := uint64(0); i < n && z.err == nil; i++ {
+			v := z.valueOfType(et)
+			if i < sample {
+				arr.Head = append(arr.Head, v)
+			}
+		}
+		return arr
+	default:
+		z.err = fmt.Errorf("gguf: unknown value type %d", t)
+		return nil
+	}
+}
+
+type arraySummary struct {
+	ElemType uint32
+	Len      uint64
+	Head     []any
+}
+
+func summarize(v any) string {
+	if a, ok := v.(arraySummary); ok {
+		parts := make([]string, 0, len(a.Head))
+		for _, e := range a.Head {
+			parts = append(parts, fmt.Sprintf("%v", e))
+		}
+		sort.Strings(parts)
+		return fmt.Sprintf("arr(t=%d,n=%d)[%s]", a.ElemType, a.Len, strings.Join(parts, ","))
+	}
+	return fmt.Sprintf("%v", v)
+}
+
+func toInt(v any) (int, bool) {
+	switch x := v.(type) {
+	case uint64:
+		return int(x), true
+	case int64:
+		return int(x), true
+	case float64:
+		return int(x), true
+	default:
+		return 0, false
+	}
+}
+
+func orUnknown(s string) string {
+	if s == "" {
+		return "unknown"
+	}
+	return s
+}
diff --git a/mooncake-integration/ollama/bridge/internal/cachekey/key.go b/mooncake-integration/ollama/bridge/internal/cachekey/key.go
new file mode 100644
index 00000000..23d092f3
--- /dev/null
+++ b/mooncake-integration/ollama/bridge/internal/cachekey/key.go
@@ -0,0 +1,122 @@
+// Package cachekey builds the cache namespace and per-block chained hashes that
+// uniquely (and *safely*) identify a reusable KV-cache prefix.
+//
+// The cardinal rule: KV produced by a different model / tokenizer / RoPE / KV
+// dtype / KV layout MUST NEVER be reused. A wrong reuse silently poisons
+// generation and is far worse than a miss. Therefore every field that can change
+// the numerical content of the KV cache is folded into the key. We would rather
+// miss than mis-hit.
+package cachekey
+
+import (
+	"crypto/sha256"
+	"encoding/binary"
+	"encoding/hex"
+	"fmt"
+	"strings"
+)
+
+// ModelFingerprint captures every attribute that affects the *bytes* of a KV
+// cache entry. Two requests may share a cached prefix only if their
+// fingerprints are byte-identical.
+type ModelFingerprint struct {
+	ModelDigest   string // ollama blob digest, or a stable hash of the GGUF metadata block
+	Arch          string // general.architecture (llama, qwen2, ...)
+	TokenizerHash string // hash over tokenizer model + vocab signature
+	RopeHash      string // hash over rope dims / freq base / scaling
+	KVType        string // f16 | q8_0 | q4_0 | bf16 ...   (--cache-type-k/v)
+	KVLayout      string // dense | swa  (sliding-window attention changes layout)
+	NCtxTrain     int    // training context length
+	BlockSize     int    // token granularity of a cache block
+}
+
+// Valid reports whether the fingerprint is populated enough to be trusted.
+// An under-specified fingerprint must force a miss, never a risky hit.
+func (m ModelFingerprint) Valid() bool {
+	return m.ModelDigest != "" && m.Arch != "" && m.KVType != "" && m.BlockSize > 0
+}
+
+// Prefix is the stable, human-readable namespace shared by every block key that
+// belongs to this fingerprint + user namespace. BlockKey appends the trailing
+// {block_index}:{prefix_block_hash}.
+//
+//	ollama:{model_digest}:{tokenizer_hash}:{rope_hash}:{kv_dtype}:{kv_layout}:{n_ctx_train}:{block_size}:{user_ns}
+func (m ModelFingerprint) Prefix(userNamespace string) string {
+	if userNamespace == "" {
+		userNamespace = "_"
+	}
+	// sanitize: ':' is our delimiter, so it may not appear inside a field.
+	clean := func(s string) string { return strings.ReplaceAll(s, ":", "_") }
+	return strings.Join([]string{
+		"ollama",
+		clean(m.ModelDigest),
+		clean(emptyTo(m.TokenizerHash, "-")),
+		clean(emptyTo(m.RopeHash, "-")),
+		clean(m.KVType),
+		clean(emptyTo(m.KVLayout, "dense")),
+		fmt.Sprintf("%d", m.NCtxTrain),
+		fmt.Sprintf("%d", m.BlockSize),
+		clean(userNamespace),
+	}, ":")
+}
+
+// BlockKey is the store object key for the prefix that ends at block boundary
+// blockIndex (i.e. it covers blocks 0..blockIndex-1, = blockIndex*BlockSize
+// tokens). chainHashHex is the chained hash returned by ChainBlockHashes for
+// that boundary.
+func (m ModelFingerprint) BlockKey(userNamespace string, blockIndex int, chainHashHex string) string {
+	return fmt.Sprintf("%s:%d:%s", m.Prefix(userNamespace), blockIndex, chainHashHex)
+}
+
+// Chain holds, for a token sequence, the chained hash at every *full* block
+// boundary. Chain.Hex[i] is the hash covering tokens[0 : (i+1)*BlockSize], i.e.
+// the key material for a prefix of (i+1) blocks. A trailing partial block (if
+// any) is intentionally NOT hashed: only block-aligned prefixes are reusable,
+// which keeps keys deterministic across requests that share a long head.
+type Chain struct {
+	BlockSize  int
+	NumTokens  int
+	FullBlocks int      // len(Hex)
+	Hex        []string // 16-byte (128-bit) truncated sha256, hex-encoded
+}
+
+// ChainBlockHashes computes the chained, content-addressed hash of each full
+// block of tokens, seeded by `seed` (the fingerprint Prefix), so that the same
+// tokens under a different model produce different hashes.
+//
+//	h_0 = H( seed_bytes || block_0_bytes )
+//	h_i = H( h_{i-1}    || block_i_bytes )
+//
+// Chaining guarantees prefix consistency: two sequences agree on h_i iff they
+// agree on every token of blocks 0..i. This is what makes longest-prefix
+// matching correct.
+func ChainBlockHashes(seed string, tokens []int32, blockSize int) Chain {
+	if blockSize <= 0 {
+		blockSize = 256
+	}
+	full := len(tokens) / blockSize
+	out := Chain{BlockSize: blockSize, NumTokens: len(tokens), FullBlocks: full, Hex: make([]string, 0, full)}
+
+	prev := sha256.Sum256([]byte("omb-kvcache-v1\x00" + seed))
+	buf := make([]byte, blockSize*4) // 4 bytes per int32 token
+	for i := 0; i < full; i++ {
+		blk := tokens[i*blockSize : (i+1)*blockSize]
+		for j, t := range blk {
+			binary.LittleEndian.PutUint32(buf[j*4:], uint32(t))
+		}
+		h := sha256.New()
+		h.Write(prev[:])
+		h.Write(buf)
+		sum := h.Sum(nil)
+		copy(prev[:], sum) // chain forward (full 32 bytes carried, 16 emitted)
+		out.Hex = append(out.Hex, hex.EncodeToString(sum[:16]))
+	}
+	return out
+}
+
+func emptyTo(s, d string) string {
+	if s == "" {
+		return d
+	}
+	return s
+}
diff --git a/mooncake-integration/ollama/bridge/internal/cachekey/key_test.go b/mooncake-integration/ollama/bridge/internal/cachekey/key_test.go
new file mode 100644
index 00000000..f38676d2
--- /dev/null
+++ b/mooncake-integration/ollama/bridge/internal/cachekey/key_test.go
@@ -0,0 +1,91 @@
+package cachekey
+
+import (
+	"os"
+	"testing"
+)
+
+func TestChainBlockHashes_Determinism(t *testing.T) {
+	toks := make([]int32, 1000)
+	for i := range toks {
+		toks[i] = int32(i * 7 % 50000)
+	}
+	a := ChainBlockHashes("seed", toks, 256)
+	b := ChainBlockHashes("seed", toks, 256)
+	if a.FullBlocks != 1000/256 {
+		t.Fatalf("FullBlocks = %d, want %d", a.FullBlocks, 1000/256)
+	}
+	for i := range a.Hex {
+		if a.Hex[i] != b.Hex[i] {
+			t.Fatalf("nondeterministic at %d", i)
+		}
+	}
+}
+
+func TestChainBlockHashes_PrefixConsistency(t *testing.T) {
+	// Two sequences sharing the first 3 blocks must agree on the first 3 chain
+	// hashes and (almost surely) differ afterwards.
+	base := make([]int32, 4*256)
+	for i := range base {
+		base[i] = int32(i)
+	}
+	x := append([]int32{}, base...)
+	y := append([]int32{}, base...)
+	// diverge in block index 3 (token 3*256)
+	y[3*256] = 999999
+	cx := ChainBlockHashes("s", x, 256)
+	cy := ChainBlockHashes("s", y, 256)
+	for i := 0; i < 3; i++ {
+		if cx.Hex[i] != cy.Hex[i] {
+			t.Fatalf("shared block %d hashes differ", i)
+		}
+	}
+	if cx.Hex[3] == cy.Hex[3] {
+		t.Fatalf("divergent block 3 hashes collided")
+	}
+}
+
+func TestChainBlockHashes_SeedSeparation(t *testing.T) {
+	toks := make([]int32, 512)
+	a := ChainBlockHashes("modelA", toks, 256)
+	b := ChainBlockHashes("modelB", toks, 256)
+	if a.Hex[0] == b.Hex[0] {
+		t.Fatalf("different seeds (models) must not share hashes")
+	}
+}
+
+func TestFingerprintPrefixStable(t *testing.T) {
+	fp := ModelFingerprint{ModelDigest: "d", Arch: "qwen2", KVType: "f16", BlockSize: 256}
+	if !fp.Valid() {
+		t.Fatal("expected valid fingerprint")
+	}
+	if got := fp.Prefix("ns"); got == "" {
+		t.Fatal("empty prefix")
+	}
+	// ':' inside a field must be sanitized so it can't break the delimiter.
+	fp2 := fp
+	fp2.ModelDigest = "a:b:c"
+	if p := fp2.Prefix("ns"); p == fp.Prefix("ns") {
+		t.Fatal("digest with colons should differ")
+	}
+}
+
+// Parses the real model if OMB_TEST_GGUF points at a .gguf file.
+func TestReadGGUFMeta_Real(t *testing.T) {
+	path := os.Getenv("OMB_TEST_GGUF")
+	if path == "" {
+		t.Skip("set OMB_TEST_GGUF to a .gguf to run")
+	}
+	m, err := ReadGGUFMeta(path)
+	if err != nil {
+		t.Fatalf("ReadGGUFMeta: %v", err)
+	}
+	if m.Arch == "" {
+		t.Fatalf("arch empty")
+	}
+	fp := m.Fingerprint("", "f16", false, 256)
+	if !fp.Valid() {
+		t.Fatalf("incomplete fingerprint: %+v", fp)
+	}
+	t.Logf("arch=%s ctx=%d tok=%s rope=%s digest=%s", fp.Arch, fp.NCtxTrain, fp.TokenizerHash, fp.RopeHash, fp.ModelDigest)
+}
diff --git a/mooncake-integration/ollama/bridge/internal/llamabridge/slots_http.go b/mooncake-integration/ollama/bridge/internal/llamabridge/slots_http.go
new file mode 100644
index 00000000..fd023965
--- /dev/null
+++ b/mooncake-integration/ollama/bridge/internal/llamabridge/slots_http.go
@@ -0,0 +1,205 @@
+// Package llamabridge is the Stage-1 client for a running llama.cpp server. It
+// drives exactly the endpoints the reuse flow relies on:
+//
+//	POST /tokenize                      -> token ids (so we can hash blocks)
+//	POST /completion {cache_prompt,...} -> content + timings.prompt_n (prefilled)
+//	POST /slots/{id}?action=save        -> {n_saved, n_written}
+//	POST /slots/{id}?action=restore     -> {n_restored, n_read}
+//	POST /slots/{id}?action=erase
+//	GET  /props                         -> model/runtime info for fingerprinting
+//
+// The save file lands in the server's --slot-save-path; the sidecar then ships
+// that file to the Mooncake Store (and vice-versa on restore). No llama.cpp
+// source changes are required for Stage 1.
+package llamabridge
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"time"
+)
+
+type Client struct {
+	hc *http.Client
+}
+
+func New() *Client {
+	return &Client{hc: &http.Client{Timeout: 0}} // long ops (big prefills) use ctx deadlines
+}
+
+func (c *Client) postJSON(ctx context.Context, url string, body any, out any) error {
+	var buf bytes.Buffer
+	if body != nil {
+		if err := json.NewEncoder(&buf).Encode(body); err != nil {
+			return err
+		}
+	}
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, url, &buf)
+	if err != nil {
+		return err
+	}
+	req.Header.Set("Content-Type", "application/json")
+	resp, err := c.hc.Do(req)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+	data, _ := io.ReadAll(resp.Body)
+	if resp.StatusCode != http.StatusOK {
+		return fmt.Errorf("%s -> %d: %s", url, resp.StatusCode, truncate(string(data), 256))
+	}
+	if out != nil {
+		if err := json.Unmarshal(data, out); err != nil {
+			return fmt.Errorf("decode %s: %w (body=%s)", url, err, truncate(string(data), 256))
+		}
+	}
+	return nil
+}
+
+func (c *Client) getJSON(ctx context.Context, url string, out any) error {
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
+	if err != nil {
+		return err
+	}
+	resp, err := c.hc.Do(req)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+	data, _ := io.ReadAll(resp.Body)
+	if resp.StatusCode != http.StatusOK {
+		return fmt.Errorf("%s -> %d: %s", url, resp.StatusCode, truncate(string(data), 256))
+	}
+	return json.Unmarshal(data, out)
+}
+
+// Tokenize returns the token ids for text. add_special controls BOS/EOS.
+func (c *Client) Tokenize(ctx context.Context, baseURL, text string, addSpecial bool) ([]int32, error) {
+	var out struct {
+		Tokens []int32 `json:"tokens"`
+	}
+	err := c.postJSON(ctx, baseURL+"/tokenize", map[string]any{
+		"content": text, "add_special": addSpecial, "with_pieces": false,
+	}, &out)
+	return out.Tokens, err
+}
+
+// CompletionTimings mirrors llama.cpp's timings object.
+type CompletionTimings struct {
+	PromptN     int     `json:"prompt_n"`     // tokens actually prefilled (NOT served from cache)
+	PromptMs    float64 `json:"prompt_ms"`    // prefill wall time
+	PredictedN  int     `json:"predicted_n"`  // tokens generated
+	PredictedMs float64 `json:"predicted_ms"` // generation wall time
+}
+
+type CompletionResult struct {
+	Content         string            `json:"content"`
+	Timings         CompletionTimings `json:"timings"`
+	TokensEvaluated int               `json:"tokens_evaluated"`
+	Truncated       bool              `json:"truncated"`
+}
+
+// CompletionRequest is the subset we use. Prompt may be a string or []int32.
+type CompletionRequest struct {
+	Prompt      any    `json:"prompt"`
+	IDSlot      int    `json:"id_slot"`
+	CachePrompt bool   `json:"cache_prompt"`
+	NPredict    int    `json:"n_predict"`
+	Temperature float64 `json:"temperature"`
+	Seed        int    `json:"seed,omitempty"`
+	Stream      bool   `json:"stream"`
+}
+
+func (c *Client) Completion(ctx context.Context, baseURL string, req CompletionRequest) (*CompletionResult, error) {
+	req.Stream = false
+	var out CompletionResult
+	if err := c.postJSON(ctx, baseURL+"/completion", req, &out); err != nil {
+		return nil, err
+	}
+	return &out, nil
+}
+
+// SaveResult / RestoreResult expose token + byte counts.
+type SaveResult struct {
+	IDSlot   int    `json:"id_slot"`
+	Filename string `json:"filename"`
+	NSaved   int    `json:"n_saved"`   // tokens
+	NWritten uint64 `json:"n_written"` // bytes
+}
+type RestoreResult struct {
+	IDSlot    int    `json:"id_slot"`
+	Filename  string `json:"filename"`
+	NRestored int    `json:"n_restored"` // tokens
+	NRead     uint64 `json:"n_read"`     // bytes
+}
+
+func (c *Client) SaveSlot(ctx context.Context, baseURL string, slot int, filename string) (*SaveResult, error) {
+	url := fmt.Sprintf("%s/slots/%d?action=save", baseURL, slot)
+	var out SaveResult
+	if err := c.postJSON(ctx, url, map[string]any{"filename": filename}, &out); err != nil {
+		return nil, err
+	}
+	return &out, nil
+}
+
+func (c *Client) RestoreSlot(ctx context.Context, baseURL string, slot int, filename string) (*RestoreResult, error) {
+	url := fmt.Sprintf("%s/slots/%d?action=restore", baseURL, slot)
+	var out RestoreResult
+	if err := c.postJSON(ctx, url, map[string]any{"filename": filename}, &out); err != nil {
+		return nil, err
+	}
+	return &out, nil
+}
+
+func (c *Client) EraseSlot(ctx context.Context, baseURL string, slot int) error {
+	url := fmt.Sprintf("%s/slots/%d?action=erase", baseURL, slot)
+	return c.postJSON(ctx, url, map[string]any{}, nil)
+}
+
+// Props is a subset of GET /props used for fingerprinting / health.
+type Props struct {
+	DefaultGenerationSettings struct {
+		NCtx int `json:"n_ctx"`
+	} `json:"default_generation_settings"`
+	ModelPath  string `json:"model_path"`
+	TotalSlots int    `json:"total_slots"`
+}
+
+func (c *Client) GetProps(ctx context.Context, baseURL string) (*Props, error) {
+	var out Props
+	if err := c.getJSON(ctx, baseURL+"/props", &out); err != nil {
+		return nil, err
+	}
+	return &out, nil
+}
+
+// WaitHealthy polls /health until ready or ctx expires.
+func (c *Client) WaitHealthy(ctx context.Context, baseURL string) error {
+	for {
+		req, _ := http.NewRequestWithContext(ctx, http.MethodGet, baseURL+"/health", nil)
+		resp, err := c.hc.Do(req)
+		if err == nil {
+			io.Copy(io.Discard, resp.Body)
+			resp.Body.Close()
+			if resp.StatusCode == http.StatusOK {
+				return nil
+			}
+		}
+		select {
+		case <-ctx.Done():
+			return ctx.Err()
+		case <-time.After(300 * time.Millisecond):
+		}
+	}
+}
+
+func truncate(s string, n int) string {
+	if len(s) <= n {
+		return s
+	}
+	return s[:n] + "..."
+}
diff --git a/mooncake-integration/ollama/bridge/internal/metrics/prom.go b/mooncake-integration/ollama/bridge/internal/metrics/prom.go
new file mode 100644
index 00000000..a8913069
--- /dev/null
+++ b/mooncake-integration/ollama/bridge/internal/metrics/prom.go
@@ -0,0 +1,95 @@
+// Package metrics exposes the sidecar's Prometheus instrumentation. The primary
+// series is mooncake_bridge_saved_prefill_tokens_total — the number of prompt
+// tokens that did NOT have to be re-prefilled because their KV was restored from
+// the Mooncake Store. A Grafana panel integrates this live.
+package metrics
+
+import (
+	"sync/atomic"
+
+	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promauto"
+)
+
+type Metrics struct {
+	LookupTotal     prometheus.Counter
+	PrepareTotal    prometheus.Counter
+	CommitTotal     prometheus.Counter
+	Hits            prometheus.Counter
+	Misses          prometheus.Counter
+	HitBlocks       prometheus.Counter
+	MissBlocks      prometheus.Counter
+	RestoreCount    prometheus.Counter
+	RecomputeChosen prometheus.Counter
+	BytesGet        prometheus.Counter
+	BytesPut        prometheus.Counter
+	SavedPrefillTok prometheus.Counter
+
+	RestoreLatency prometheus.Histogram
+	SaveLatency    prometheus.Histogram
+	StoreGetLatency prometheus.Histogram
+	StorePutLatency prometheus.Histogram
+
+	GetGBps      prometheus.Gauge
+	PrefillToksS prometheus.Gauge
+	IndexSnapshots prometheus.Gauge
+	IndexBytes     prometheus.Gauge
+
+	// plain atomics mirrored into Stats RPC
+	savedTokens uint64
+	bytesGet    uint64
+	bytesPut    uint64
+}
+
+func New(reg prometheus.Registerer) *Metrics {
+	af := promauto.With(reg)
+	lat := func(name, help string) prometheus.Histogram {
+		return af.NewHistogram(prometheus.HistogramOpts{
+			Name:    name,
+			Help:    help,
+			Buckets: []float64{0.5, 1, 2, 5, 10, 25, 50, 100, 250, 500, 1000, 2500, 5000, 10000},
+		})
+	}
+	ctr := func(name, help string) prometheus.Counter {
+		return af.NewCounter(prometheus.CounterOpts{Name: name, Help: help})
+	}
+	g := func(name, help string) prometheus.Gauge {
+		return af.NewGauge(prometheus.GaugeOpts{Name: name, Help: help})
+	}
+	return &Metrics{
+		LookupTotal:     ctr("mooncake_bridge_lookup_total", "Lookup/Prepare requests served"),
+		PrepareTotal:    ctr("mooncake_bridge_prepare_total", "Prepare requests served"),
+		CommitTotal:     ctr("mooncake_bridge_commit_total", "Commit (save) requests served"),
+		Hits:            ctr("mooncake_bridge_hits_total", "Requests with a usable cached prefix"),
+		Misses:          ctr("mooncake_bridge_misses_total", "Requests with no usable cached prefix"),
+		HitBlocks:       ctr("mooncake_bridge_hit_blocks_total", "Blocks served from cache"),
+		MissBlocks:      ctr("mooncake_bridge_miss_blocks_total", "Blocks that had to be (re)computed"),
+		RestoreCount:    ctr("mooncake_bridge_restore_total", "KV restores performed"),
+		RecomputeChosen: ctr("mooncake_bridge_recompute_chosen_total", "Times the arbiter chose recompute over restore"),
+		BytesGet:        ctr("mooncake_bridge_bytes_get_total", "Bytes read from the store"),
+		BytesPut:        ctr("mooncake_bridge_bytes_put_total", "Bytes written to the store"),
+		SavedPrefillTok: ctr("mooncake_bridge_saved_prefill_tokens_total", "Prompt tokens NOT re-prefilled thanks to KV reuse"),
+		RestoreLatency:  lat("mooncake_bridge_restore_latency_ms", "llama.cpp /slots restore latency (ms)"),
+		SaveLatency:     lat("mooncake_bridge_save_latency_ms", "llama.cpp /slots save latency (ms)"),
+		StoreGetLatency: lat("mooncake_bridge_store_get_latency_ms", "Store GetFile latency (ms)"),
+		StorePutLatency: lat("mooncake_bridge_store_put_latency_ms", "Store PutFile latency (ms)"),
+		GetGBps:         g("mooncake_bridge_learned_get_gbps", "Arbiter's learned store read bandwidth (GB/s)"),
+		PrefillToksS:    g("mooncake_bridge_learned_prefill_tps", "Arbiter's learned prefill rate (tokens/s)"),
+		IndexSnapshots:  g("mooncake_bridge_index_snapshots", "KV prefix snapshots tracked in the radix index"),
+		IndexBytes:      g("mooncake_bridge_index_bytes", "Total bytes of snapshots tracked"),
+	}
+}
+
+func (m *Metrics) AddSavedTokens(n int) {
+	if n <= 0 {
+		return
+	}
+	m.SavedPrefillTok.Add(float64(n))
+	atomic.AddUint64(&m.savedTokens, uint64(n))
+}
+func (m *Metrics) AddBytesGet(n uint64) { m.BytesGet.Add(float64(n)); atomic.AddUint64(&m.bytesGet, n) }
+func (m *Metrics) AddBytesPut(n uint64) { m.BytesPut.Add(float64(n)); atomic.AddUint64(&m.bytesPut, n) }
+
+func (m *Metrics) SavedTokens() uint64 { return atomic.LoadUint64(&m.savedTokens) }
+func (m *Metrics) TotalBytesGet() uint64 { return atomic.LoadUint64(&m.bytesGet) }
+func (m *Metrics) TotalBytesPut() uint64 { return atomic.LoadUint64(&m.bytesPut) }
diff --git a/mooncake-integration/ollama/bridge/internal/orchestrator/reuse.go b/mooncake-integration/ollama/bridge/internal/orchestrator/reuse.go
new file mode 100644
index 00000000..616e5cb0
--- /dev/null
+++ b/mooncake-integration/ollama/bridge/internal/orchestrator/reuse.go
@@ -0,0 +1,494 @@
+// Package orchestrator implements the three-stage KV reuse flow:
+//
+//	Lookup   compute block-prefix keys, find the longest prefix present in the
+//	         store (authoritative, batched), and consult the radix index.
+//	Prepare  Lookup + (if the cost arbiter approves) GetFile the matched KV and
+//	         restore it into a llama.cpp slot, so only the tail is prefilled.
+//	Commit   Save the slot KV and PutFile it to the store under its block key,
+//	         with single-writer dedup so concurrent agents store a shared prefix
+//	         exactly once.
+//
+// It owns the cross-cutting policy: cache-key construction, longest-prefix
+// matching, the restore-vs-recompute arbiter, the radix index, per-model
+// bytes/token learning, and Prometheus accounting.
+package orchestrator
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"path/filepath"
+	"sync"
+	"sync/atomic"
+	"time"
+
+	"github.com/mooncake-ai/ollama-mooncake-bridge/internal/arbiter"
+	"github.com/mooncake-ai/ollama-mooncake-bridge/internal/cachekey"
+	"github.com/mooncake-ai/ollama-mooncake-bridge/internal/llamabridge"
+	"github.com/mooncake-ai/ollama-mooncake-bridge/internal/metrics"
+	"github.com/mooncake-ai/ollama-mooncake-bridge/internal/prefixindex"
+	"github.com/mooncake-ai/ollama-mooncake-bridge/internal/store"
+)
+
+type Config struct {
+	SlotSavePath      string // == llama.cpp --slot-save-path (shared filesystem)
+	DefaultBlockSize  int
+	DefaultReplicaNum uint32
+	MinPrefixBlocks   int
+	CleanupFiles      bool // delete the local save file after store put / after restore
+}
+
+func (c *Config) defaults() {
+	if c.DefaultBlockSize <= 0 {
+		c.DefaultBlockSize = 256
+	}
+	if c.DefaultReplicaNum == 0 {
+		c.DefaultReplicaNum = 1
+	}
+	if c.MinPrefixBlocks <= 0 {
+		c.MinPrefixBlocks = 1
+	}
+}
+
+type Orchestrator struct {
+	store store.Backend
+	llama *llamabridge.Client
+	index *prefixindex.Index
+	arb   *arbiter.Arbiter
+	mx    *metrics.Metrics
+	cfg   Config
+
+	fpMu  sync.Mutex
+	fpCache map[string]cachekey.ModelFingerprint // gguf path -> completed fingerprint
+	bptMu sync.Mutex
+	bytesPerTok map[string]float64 // fingerprint prefix -> learned KV bytes/token
+	nonce atomic.Uint64            // makes per-request slot filenames unique
+}
+
+func New(b store.Backend, arb *arbiter.Arbiter, mx *metrics.Metrics, cfg Config) *Orchestrator {
+	cfg.defaults()
+	return &Orchestrator{
+		store: b, llama: llamabridge.New(), index: prefixindex.New(),
+		arb: arb, mx: mx, cfg: cfg,
+		fpCache: map[string]cachekey.ModelFingerprint{},
+		bytesPerTok: map[string]float64{},
+	}
+}
+
+func (o *Orchestrator) Index() *prefixindex.Index { return o.index }
+func (o *Orchestrator) Arbiter() *arbiter.Arbiter { return o.arb }
+
+// ---- request/response types (decoupled from gRPC wire types) ----
+
+type Policy struct {
+	Enable          bool
+	Namespace       string
+	Read            bool
+	Write           bool
+	BlockSize       int
+	ReplicaNum      uint32
+	SoftPin         bool
+	MinPrefixBlocks int
+}
+
+type Target struct {
+	BaseURL string
+	Slot    int
+}
+
+type LookupResult struct {
+	Hit           bool
+	MatchedBlocks int
+	MatchedTokens int
+	TotalBlocks   int
+	TotalTokens   int
+	Decision      string // restore | recompute | miss
+	MatchedKey    string
+	Reason        string
+}
+
+type PrepareResult struct {
+	LookupResult
+	Restored      bool
+	RestoredTokens int
+	RestoreMs     float64
+	StoreGetMs    float64
+	Bytes         uint64
+}
+
+type CommitResult struct {
+	OK           bool
+	Stored       bool
+	StoredBlocks int
+	StoredTokens int
+	Bytes        uint64
+	SaveMs       float64
+	StorePutMs   float64
+	Key          string
+	Reason       string
+}
+
+// completeFingerprint fills empty fields by parsing the GGUF at ModelPath
+// (cached). The completed fingerprint is what every key derives from, enforcing
+// the "different model/tokenizer/rope => different key space" safety rule.
+func (o *Orchestrator) completeFingerprint(fp cachekey.ModelFingerprint, modelPath string, swa bool) cachekey.ModelFingerprint {
+	if fp.BlockSize <= 0 {
+		fp.BlockSize = o.cfg.DefaultBlockSize
+	}
+	needEnrich := fp.Arch == "" || fp.TokenizerHash == "" || fp.RopeHash == ""
+	if modelPath == "" || !needEnrich {
+		if fp.KVType == "" {
+			fp.KVType = "f16"
+		}
+		if fp.ModelDigest == "" {
+			fp.ModelDigest = "unknown"
+		}
+		return fp
+	}
+	o.fpMu.Lock()
+	defer o.fpMu.Unlock()
+	if cached, ok := o.fpCache[modelPath]; ok {
+		// keep caller-provided block size / kv type
+		cached.BlockSize = fp.BlockSize
+		if fp.KVType != "" {
+			cached.KVType = fp.KVType
+		}
+		return cached
+	}
+	meta, err := cachekey.ReadGGUFMeta(modelPath)
+	if err != nil {
+		if fp.KVType == "" {
+			fp.KVType = "f16"
+		}
+		if fp.ModelDigest == "" {
+			fp.ModelDigest = "ggufpath-" + filepath.Base(modelPath)
+		}
+		return fp
+	}
+	kv := fp.KVType
+	if kv == "" {
+		kv = "f16"
+	}
+	full := meta.Fingerprint(fp.ModelDigest, kv, swa, fp.BlockSize)
+	o.fpCache[modelPath] = full
+	return full
+}
+
+type planned struct {
+	fp        cachekey.ModelFingerprint
+	rootKey   string
+	modelKey  string // per-model arbiter key (model digest + kv type), namespace-independent
+	chain     cachekey.Chain
+	keys      []string // keys[i] = boundary i+1 (i.e. prefix of i+1 blocks)
+}
+
+func (o *Orchestrator) plan(fp cachekey.ModelFingerprint, pol Policy, tokens []int32, modelPath string) planned {
+	full := o.completeFingerprint(fp, modelPath, pol.BlockSize < 0)
+	bs := full.BlockSize
+	if pol.BlockSize > 0 {
+		bs = pol.BlockSize
+		full.BlockSize = bs
+	}
+	rootKey := full.Prefix(pol.Namespace)
+	modelKey := full.ModelDigest + "|" + full.KVType + "|" + full.Arch
+	chain := cachekey.ChainBlockHashes(rootKey, tokens, bs)
+	keys := make([]string, chain.FullBlocks)
+	for i := 0; i < chain.FullBlocks; i++ {
+		keys[i] = full.BlockKey(pol.Namespace, i+1, chain.Hex[i])
+	}
+	return planned{fp: full, rootKey: rootKey, modelKey: modelKey, chain: chain, keys: keys}
+}
+
+// longestPresent returns the largest boundary M (in blocks) whose key exists in
+// the store, querying all boundaries in one batched call (multi-node correct).
+func (o *Orchestrator) longestPresent(ctx context.Context, p planned) (int, string, error) {
+	if len(p.keys) == 0 {
+		return 0, "", nil
+	}
+	present, err := o.store.Exists(ctx, p.keys)
+	if err != nil {
+		return 0, "", err
+	}
+	for i := len(present) - 1; i >= 0; i-- {
+		if i < len(present) && present[i] == 1 {
+			return i + 1, p.keys[i], nil
+		}
+	}
+	return 0, "", nil
+}
+
+func (o *Orchestrator) learnedBytesPerTok(rootKey string, fallbackTokens int, fallbackBytes uint64) float64 {
+	o.bptMu.Lock()
+	defer o.bptMu.Unlock()
+	if v, ok := o.bytesPerTok[rootKey]; ok && v > 0 {
+		return v
+	}
+	if fallbackTokens > 0 && fallbackBytes > 0 {
+		return float64(fallbackBytes) / float64(fallbackTokens)
+	}
+	return 0
+}
+
+func (o *Orchestrator) updateBytesPerTok(rootKey string, tokens int, bytes uint64) {
+	if tokens <= 0 || bytes == 0 {
+		return
+	}
+	o.bptMu.Lock()
+	defer o.bptMu.Unlock()
+	bpt := float64(bytes) / float64(tokens)
+	if old, ok := o.bytesPerTok[rootKey]; ok {
+		o.bytesPerTok[rootKey] = 0.5*old + 0.5*bpt
+	} else {
+		o.bytesPerTok[rootKey] = bpt
+	}
+}
+
+// Lookup is read-only: longest-prefix match + arbiter decision, no llama I/O.
+func (o *Orchestrator) Lookup(ctx context.Context, fp cachekey.ModelFingerprint, pol Policy, tokens []int32, modelPath string) (LookupResult, error) {
+	o.mx.LookupTotal.Inc()
+	p := o.plan(fp, pol, tokens, modelPath)
+	res := LookupResult{TotalBlocks: p.chain.FullBlocks, TotalTokens: p.chain.FullBlocks * p.fp.BlockSize}
+	if p.chain.FullBlocks == 0 {
+		res.Decision = "miss"
+		res.Reason = "prompt shorter than one block"
+		return res, nil
+	}
+	m, key, err := o.longestPresent(ctx, p)
+	if err != nil {
+		return res, err
+	}
+	if m == 0 {
+		res.Decision = "miss"
+		res.Reason = "no cached prefix"
+		return res, nil
+	}
+	matchedTokens := m * p.fp.BlockSize
+	// size estimate for the arbiter
+	im := o.index.LongestMatch(p.rootKey, p.chain.Hex, false)
+	var estBytes uint64
+	if im.Found && im.Blocks == m {
+		estBytes = im.Bytes
+	} else {
+		bpt := o.learnedBytesPerTok(p.rootKey, 0, 0)
+		estBytes = uint64(float64(matchedTokens) * bpt)
+	}
+	dec := o.arb.Decide(p.modelKey, matchedTokens, estBytes)
+	res.Hit = true
+	res.MatchedBlocks = m
+	res.MatchedTokens = matchedTokens
+	res.MatchedKey = key
+	res.Reason = dec.Reason
+	if dec.Restore {
+		res.Decision = "restore"
+	} else {
+		res.Decision = "recompute"
+	}
+	return res, nil
+}
+
+// Prepare runs Lookup and, if the arbiter approves and a target is given,
+// restores the matched KV into target.Slot.
+func (o *Orchestrator) Prepare(ctx context.Context, fp cachekey.ModelFingerprint, pol Policy, tokens []int32, modelPath string, tgt *Target) (PrepareResult, error) {
+	o.mx.PrepareTotal.Inc()
+	prepStart := time.Now() // full restore cost incl lookup + transfer + GPU load + orchestration
+	p := o.plan(fp, pol, tokens, modelPath)
+	out := PrepareResult{}
+	out.TotalBlocks = p.chain.FullBlocks
+	out.TotalTokens = p.chain.FullBlocks * p.fp.BlockSize
+
+	if !pol.Read || p.chain.FullBlocks == 0 {
+		out.Decision = "miss"
+		out.Reason = "read disabled or prompt < 1 block"
+		o.mx.Misses.Inc()
+		o.mx.MissBlocks.Add(float64(p.chain.FullBlocks))
+		return out, nil
+	}
+	m, key, err := o.longestPresent(ctx, p)
+	if err != nil {
+		return out, err
+	}
+	if m == 0 {
+		out.Decision = "miss"
+		out.Reason = "no cached prefix"
+		o.mx.Misses.Inc()
+		o.mx.MissBlocks.Add(float64(p.chain.FullBlocks))
+		return out, nil
+	}
+	out.Hit = true
+	out.MatchedBlocks = m
+	out.MatchedTokens = m * p.fp.BlockSize
+	out.MatchedKey = key
+
+	im := o.index.LongestMatch(p.rootKey, p.chain.Hex, true)
+	var estBytes uint64
+	if im.Found && im.Blocks == m {
+		estBytes = im.Bytes
+	} else {
+		estBytes = uint64(float64(out.MatchedTokens) * o.learnedBytesPerTok(p.rootKey, 0, 0))
+	}
+	dec := o.arb.Decide(p.modelKey, out.MatchedTokens, estBytes)
+	out.Reason = dec.Reason
+	if !dec.Restore {
+		out.Decision = "recompute"
+		o.mx.RecomputeChosen.Inc()
+		o.mx.MissBlocks.Add(float64(p.chain.FullBlocks)) // will be recomputed
+		return out, nil
+	}
+	out.Decision = "restore"
+	if tgt == nil || tgt.BaseURL == "" {
+		// plan-only (no target): report the decision without doing I/O.
+		return out, nil
+	}
+
+	// ---- Load stage ----
+	fname := fmt.Sprintf("omb-r-%x-%d.bin", hashKey(key), o.nonce.Add(1))
+	abspath := filepath.Join(o.cfg.SlotSavePath, fname)
+	gr, err := o.store.GetFile(ctx, key, abspath)
+	if err != nil {
+		return out, fmt.Errorf("store get: %w", err)
+	}
+	if !gr.Found {
+		// raced with eviction; degrade to miss
+		out.Decision = "miss"
+		out.Hit = false
+		out.Reason = "matched key vanished (evicted); recompute"
+		o.mx.Misses.Inc()
+		o.mx.MissBlocks.Add(float64(p.chain.FullBlocks))
+		return out, nil
+	}
+	out.StoreGetMs = gr.ElapsedMs
+	out.Bytes = gr.Bytes
+	o.mx.StoreGetLatency.Observe(gr.ElapsedMs)
+	o.mx.AddBytesGet(gr.Bytes)
+
+	tRestore := time.Now()
+	rr, err := o.llama.RestoreSlot(ctx, tgt.BaseURL, tgt.Slot, fname)
+	restoreMs := float64(time.Since(tRestore).Microseconds()) / 1000.0
+	if o.cfg.CleanupFiles {
+		os.Remove(abspath)
+	}
+	if err != nil {
+		return out, fmt.Errorf("llama restore: %w", err)
+	}
+	out.Restored = true
+	out.RestoredTokens = rr.NRestored
+	out.RestoreMs = restoreMs
+	// Feed the arbiter the FULL prepare wall (lookup + store fetch + GPU load +
+	// orchestration). For small blobs this is dominated by fixed overhead, so
+	// the learned "restore bandwidth" is low and the arbiter declines next time;
+	// for large blobs it is transfer-dominated and restore wins. This is what
+	// makes the policy adaptive and loss-free across model/hardware regimes.
+	fullMs := float64(time.Since(prepStart).Microseconds()) / 1000.0
+	o.arb.ObserveGet(p.modelKey, gr.Bytes, fullMs)
+	o.mx.RestoreLatency.Observe(fullMs)
+	o.mx.RestoreCount.Inc()
+	o.mx.Hits.Inc()
+	o.mx.HitBlocks.Add(float64(m))
+	o.mx.MissBlocks.Add(float64(p.chain.FullBlocks - m))
+	o.mx.AddSavedTokens(out.MatchedTokens)
+	if im.Found {
+		// learned size correction
+		o.updateBytesPerTok(p.rootKey, out.MatchedTokens, gr.Bytes)
+	}
+	return out, nil
+}
+
+// Commit saves the KV currently in target.Slot and stores it under the block
+// key for the largest block-aligned prefix of `tokens`. skip-if-exists gives
+// single-writer dedup across concurrent agents sharing a prefix.
+func (o *Orchestrator) Commit(ctx context.Context, fp cachekey.ModelFingerprint, pol Policy, tokens []int32, modelPath string, tgt *Target, prefillN int, prefillMs float64) (CommitResult, error) {
+	o.mx.CommitTotal.Inc()
+	out := CommitResult{}
+	if !pol.Write {
+		out.Reason = "write disabled"
+		return out, nil
+	}
+	p := o.plan(fp, pol, tokens, modelPath)
+	// Learn the live prefill rate (per model) so the arbiter can compare.
+	o.arb.ObservePrefill(p.modelKey, prefillN, prefillMs)
+	minB := pol.MinPrefixBlocks
+	if minB <= 0 {
+		minB = o.cfg.MinPrefixBlocks
+	}
+	if p.chain.FullBlocks < minB {
+		out.Reason = fmt.Sprintf("prefix %d blocks < min %d; not cached", p.chain.FullBlocks, minB)
+		return out, nil
+	}
+	if tgt == nil || tgt.BaseURL == "" {
+		out.Reason = "no target to save from"
+		return out, nil
+	}
+	blocks := p.chain.FullBlocks
+	key := p.keys[blocks-1]
+	out.Key = key
+	out.StoredBlocks = blocks
+	out.StoredTokens = blocks * p.fp.BlockSize
+
+	// Fast path: someone already stored this exact prefix.
+	if present, err := o.store.Exists(ctx, []string{key}); err == nil && len(present) == 1 && present[0] == 1 {
+		out.OK = true
+		out.Stored = false
+		out.Reason = "already present (dedup)"
+		return out, nil
+	}
+
+	fname := fmt.Sprintf("omb-s-%x-%d.bin", hashKey(key), o.nonce.Add(1))
+	abspath := filepath.Join(o.cfg.SlotSavePath, fname)
+	tSave := time.Now()
+	sr, err := o.llama.SaveSlot(ctx, tgt.BaseURL, tgt.Slot, fname)
+	if err != nil {
+		return out, fmt.Errorf("llama save: %w", err)
+	}
+	out.SaveMs = float64(time.Since(tSave).Microseconds()) / 1000.0
+	o.mx.SaveLatency.Observe(out.SaveMs)
+	repl := pol.ReplicaNum
+	if repl == 0 {
+		repl = o.cfg.DefaultReplicaNum
+	}
+	pr, err := o.store.PutFile(ctx, key, abspath, repl, pol.SoftPin, true)
+	if o.cfg.CleanupFiles {
+		os.Remove(abspath)
+	}
+	if err != nil {
+		return out, fmt.Errorf("store put: %w", err)
+	}
+	out.StorePutMs = pr.ElapsedMs
+	out.Bytes = pr.Bytes
+	out.OK = true
+	out.Stored = !pr.Existed
+	o.mx.StorePutLatency.Observe(pr.ElapsedMs)
+	if out.Stored {
+		o.mx.AddBytesPut(pr.Bytes)
+		o.index.Insert(p.rootKey, p.chain.Hex, blocks, out.StoredTokens, key, pr.Bytes)
+	}
+	// learn bytes/token from the real save (n_written / n_saved)
+	if sr.NSaved > 0 {
+		o.updateBytesPerTok(p.rootKey, sr.NSaved, sr.NWritten)
+	}
+	if out.Stored {
+		out.Reason = "stored"
+	} else {
+		out.Reason = "already present (dedup)"
+	}
+	return out, nil
+}
+
+// RefreshGauges pushes learned arbiter rates + index stats into Prometheus.
+func (o *Orchestrator) RefreshGauges() {
+	s := o.arb.Snapshot()
+	o.mx.GetGBps.Set(s.GetGBps)
+	o.mx.PrefillToksS.Set(s.PrefillToksS)
+	is := o.index.Stats()
+	o.mx.IndexSnapshots.Set(float64(is.Snapshots))
+	o.mx.IndexBytes.Set(float64(is.Bytes))
+}
+
+func hashKey(s string) uint64 {
+	// FNV-1a 64
+	var h uint64 = 1469598103934665603
+	for i := 0; i < len(s); i++ {
+		h ^= uint64(s[i])
+		h *= 1099511628211
+	}
+	return h
+}
diff --git a/mooncake-integration/ollama/bridge/internal/prefixindex/radix.go b/mooncake-integration/ollama/bridge/internal/prefixindex/radix.go
new file mode 100644
index 00000000..f6af43e9
--- /dev/null
+++ b/mooncake-integration/ollama/bridge/internal/prefixindex/radix.go
@@ -0,0 +1,221 @@
+// Package prefixindex maintains an in-memory radix (prefix) tree over the
+// *chained block hashes* of cached KV prefixes. It is the cross-process /
+// cross-node analogue of SGLang's RadixAttention tree, but the nodes reference
+// KV snapshots living in the Mooncake Store rather than GPU memory.
+//
+// Because a chained block hash h_i already encodes blocks 0..i (see
+// cachekey.ChainBlockHashes), two sequences that share the first j blocks share
+// the identical path h_0..h_{j-1} in the tree and then diverge. Walking a
+// request's chain down the tree therefore yields, in O(blocks), the longest
+// stored prefix that is a true prefix of the request — and, as a free
+// by-product, the *fan-out* at each node tells us how "hot" (widely shared) a
+// prefix is, which drives replication / soft-pin decisions.
+//
+// The tree is a per-node hint: the authoritative existence check is the store.
+// We use the tree for (a) a fast local hit path, (b) blob-size lookup so the
+// cost arbiter can size a transfer without a round-trip, and (c) LRU eviction.
+package prefixindex
+
+import (
+	"sort"
+	"sync"
+	"time"
+)
+
+type node struct {
+	children map[string]*node // next-block chain hash -> child
+	parent   *node
+	edge     string // the chain hash on the edge from parent to this node
+
+	hasSnapshot bool   // a KV snapshot exists for the prefix ending here
+	storeKey    string // store object key for that snapshot
+	blocks      int    // depth in blocks (== prefix length / blockSize)
+	tokens      int    // exact token count of the snapshot
+	bytes       uint64 // snapshot size
+	hits        uint64 // times this snapshot was reused
+	lastUsed    time.Time
+}
+
+func newNode(parent *node, edge string, depth int) *node {
+	return &node{children: map[string]*node{}, parent: parent, edge: edge, blocks: depth}
+}
+
+// Match is the result of a longest-prefix lookup.
+type Match struct {
+	Found    bool
+	Blocks   int
+	Tokens   int
+	Bytes    uint64
+	StoreKey string
+	Hits     uint64
+	// Fanout is how many distinct continuations diverge right after the matched
+	// prefix — a proxy for how widely shared (hot) this prefix is.
+	Fanout int
+}
+
+// Index is a forest: one radix tree per root key (fingerprint+namespace).
+type Index struct {
+	mu       sync.RWMutex
+	roots    map[string]*node
+	nSnap    int
+	totalB   uint64
+}
+
+func New() *Index { return &Index{roots: map[string]*node{}} }
+
+func (ix *Index) rootFor(rootKey string, create bool) *node {
+	r := ix.roots[rootKey]
+	if r == nil && create {
+		r = newNode(nil, "", 0)
+		ix.roots[rootKey] = r
+	}
+	return r
+}
+
+// Insert records that a KV snapshot covering `blocks` blocks (chain[:blocks])
+// is stored under storeKey. chain must have at least `blocks` entries.
+func (ix *Index) Insert(rootKey string, chain []string, blocks, tokens int, storeKey string, bytes uint64) {
+	if blocks <= 0 || blocks > len(chain) {
+		return
+	}
+	ix.mu.Lock()
+	defer ix.mu.Unlock()
+	cur := ix.rootFor(rootKey, true)
+	for i := 0; i < blocks; i++ {
+		h := chain[i]
+		ch := cur.children[h]
+		if ch == nil {
+			ch = newNode(cur, h, i+1)
+			cur.children[h] = ch
+		}
+		cur = ch
+	}
+	if !cur.hasSnapshot {
+		ix.nSnap++
+		ix.totalB += bytes
+	} else {
+		ix.totalB += bytes - cur.bytes
+	}
+	cur.hasSnapshot = true
+	cur.storeKey = storeKey
+	cur.tokens = tokens
+	cur.bytes = bytes
+	cur.lastUsed = time.Now()
+}
+
+// LongestMatch walks the request chain and returns the deepest node that holds
+// a snapshot. touch=true bumps hit counters/recency for the matched node.
+func (ix *Index) LongestMatch(rootKey string, chain []string, touch bool) Match {
+	ix.mu.Lock()
+	defer ix.mu.Unlock()
+	r := ix.rootFor(rootKey, false)
+	if r == nil {
+		return Match{}
+	}
+	cur := r
+	var best *node
+	for i := 0; i < len(chain); i++ {
+		ch := cur.children[chain[i]]
+		if ch == nil {
+			break
+		}
+		cur = ch
+		if cur.hasSnapshot {
+			best = cur
+		}
+	}
+	if best == nil {
+		return Match{}
+	}
+	if touch {
+		best.hits++
+		best.lastUsed = time.Now()
+	}
+	return Match{
+		Found: true, Blocks: best.blocks, Tokens: best.tokens, Bytes: best.bytes,
+		StoreKey: best.storeKey, Hits: best.hits, Fanout: len(best.children),
+	}
+}
+
+// Forget drops the snapshot mark at the given depth (after a store eviction).
+func (ix *Index) Forget(rootKey string, chain []string, blocks int) {
+	ix.mu.Lock()
+	defer ix.mu.Unlock()
+	r := ix.rootFor(rootKey, false)
+	if r == nil {
+		return
+	}
+	cur := r
+	for i := 0; i < blocks && cur != nil; i++ {
+		cur = cur.children[chain[i]]
+	}
+	if cur != nil && cur.hasSnapshot {
+		cur.hasSnapshot = false
+		ix.nSnap--
+		ix.totalB -= cur.bytes
+		ix.prune(rootKey, cur)
+	}
+}
+
+// prune removes now-empty leaf chains to bound memory.
+func (ix *Index) prune(rootKey string, n *node) {
+	for n != nil && n.parent != nil && len(n.children) == 0 && !n.hasSnapshot {
+		p := n.parent
+		delete(p.children, n.edge)
+		n = p
+	}
+	if r := ix.roots[rootKey]; r != nil && len(r.children) == 0 {
+		delete(ix.roots, rootKey)
+	}
+}
+
+// EvictionCandidate is a snapshot worth removing under memory pressure.
+type EvictionCandidate struct {
+	RootKey  string
+	StoreKey string
+	Bytes    uint64
+	Hits     uint64
+	LastUsed time.Time
+	Blocks   int
+}
+
+// ColdestSnapshots returns up to n least-recently-used snapshots (LRU), so the
+// caller can evict them from the store and the tree.
+func (ix *Index) ColdestSnapshots(n int) []EvictionCandidate {
+	ix.mu.RLock()
+	defer ix.mu.RUnlock()
+	var all []EvictionCandidate
+	for rk, root := range ix.roots {
+		var walk func(*node)
+		walk = func(nd *node) {
+			if nd.hasSnapshot {
+				all = append(all, EvictionCandidate{
+					RootKey: rk, StoreKey: nd.storeKey, Bytes: nd.bytes,
+					Hits: nd.hits, LastUsed: nd.lastUsed, Blocks: nd.blocks,
+				})
+			}
+			for _, c := range nd.children {
+				walk(c)
+			}
+		}
+		walk(root)
+	}
+	sort.Slice(all, func(i, j int) bool { return all[i].LastUsed.Before(all[j].LastUsed) })
+	if len(all) > n {
+		all = all[:n]
+	}
+	return all
+}
+
+// Stats snapshots index-wide counters.
+type Stats struct {
+	Snapshots int
+	Bytes     uint64
+	Roots     int
+}
+
+func (ix *Index) Stats() Stats {
+	ix.mu.RLock()
+	defer ix.mu.RUnlock()
+	return Stats{Snapshots: ix.nSnap, Bytes: ix.totalB, Roots: len(ix.roots)}
+}
diff --git a/mooncake-integration/ollama/bridge/internal/prefixindex/radix_test.go b/mooncake-integration/ollama/bridge/internal/prefixindex/radix_test.go
new file mode 100644
index 00000000..3520c6d1
--- /dev/null
+++ b/mooncake-integration/ollama/bridge/internal/prefixindex/radix_test.go
@@ -0,0 +1,65 @@
+package prefixindex
+
+import "testing"
+
+func chain(n int) []string {
+	c := make([]string, n)
+	for i := range c {
+		c[i] = string(rune('a'+i%26)) + string(rune('0'+i/26))
+	}
+	return c
+}
+
+func TestLongestMatch(t *testing.T) {
+	ix := New()
+	c := chain(10)
+	// store a 4-block and a 7-block snapshot on the same path
+	ix.Insert("m", c, 4, 4*256, "key4", 1000)
+	ix.Insert("m", c, 7, 7*256, "key7", 2000)
+
+	// a request sharing all 10 blocks should match the deepest stored (7)
+	m := ix.LongestMatch("m", c, false)
+	if !m.Found || m.Blocks != 7 || m.StoreKey != "key7" || m.Bytes != 2000 {
+		t.Fatalf("want 7-block key7, got %+v", m)
+	}
+
+	// a request that diverges at block 5 should match the 4-block snapshot
+	d := append([]string{}, c...)
+	d[5] = "ZZ"
+	m = ix.LongestMatch("m", d, false)
+	if !m.Found || m.Blocks != 4 || m.StoreKey != "key4" {
+		t.Fatalf("want 4-block key4 after divergence, got %+v", m)
+	}
+
+	// unknown root => no match
+	if ix.LongestMatch("other", c, false).Found {
+		t.Fatal("unexpected match in empty root")
+	}
+}
+
+func TestForgetAndStats(t *testing.T) {
+	ix := New()
+	c := chain(6)
+	ix.Insert("m", c, 3, 3*256, "k", 500)
+	if s := ix.Stats(); s.Snapshots != 1 || s.Bytes != 500 {
+		t.Fatalf("stats after insert: %+v", s)
+	}
+	ix.Forget("m", c, 3)
+	if ix.LongestMatch("m", c, false).Found {
+		t.Fatal("match after forget")
+	}
+	if s := ix.Stats(); s.Snapshots != 0 {
+		t.Fatalf("snapshots after forget: %d", s.Snapshots)
+	}
+}
+
+func TestColdestEviction(t *testing.T) {
+	ix := New()
+	c := chain(8)
+	ix.Insert("m", c, 2, 512, "old", 100)
+	ix.Insert("m", c, 5, 1280, "new", 200)
+	got := ix.ColdestSnapshots(1)
+	if len(got) != 1 || got[0].StoreKey != "old" {
+		t.Fatalf("want oldest 'old', got %+v", got)
+	}
+}
diff --git a/mooncake-integration/ollama/bridge/internal/seqstate/seqstate_cgo.go b/mooncake-integration/ollama/bridge/internal/seqstate/seqstate_cgo.go
new file mode 100644
index 00000000..7f5416d1
--- /dev/null
+++ b/mooncake-integration/ollama/bridge/internal/seqstate/seqstate_cgo.go
@@ -0,0 +1,95 @@
+//go:build cgo_stage2
+
+// Package seqstate is the Stage-2 (high-performance) Go binding for moving a
+// llama.cpp sequence's KV state with minimal copies, used when the sidecar is
+// embedded in-process with libllama (rather than driving a llama-server over
+// HTTP as in Stage-1).
+//
+// It is gated behind the `cgo_stage2` build tag because it links libllama and
+// is only relevant for the embedded/high-performance deployment. The Stage-1
+// HTTP path (internal/llamabridge) needs none of this and is the default.
+//
+// Why this exists (measured by cbridge/omb_kvbench): the Stage-1 file path
+// (llama_state_seq_save_file, i.e. /slots save) is ~5x slower than the raw
+// in-process state copy because it serializes through host memory and a file
+// (llama.cpp issue #8915's double copy). Going further, the _ext API with
+// LLAMA_STATE_SEQ_FLAGS_ON_DEVICE keeps the KV tensors in device buffers so the
+// Mooncake Transfer Engine can register them (registerLocalMemory) and move
+// them by GPUDirect RDMA with NO host copy at all.
+//
+// Build (example):
+//
+//	CGO_CFLAGS="-I$LLAMA_DIR/include -I$LLAMA_DIR/ggml/include" \
+//	CGO_LDFLAGS="-L$LLAMA_BUILD/bin -lllama -lggml -lggml-base -Wl,-rpath,$LLAMA_BUILD/bin" \
+//	go build -tags cgo_stage2 ./...
+package seqstate
+
+/*
+#include <stdlib.h>
+#include "llama.h"
+*/
+import "C"
+import (
+	"fmt"
+	"unsafe"
+)
+
+// Flags mirror llama_state_seq_flags.
+type Flags uint32
+
+const (
+	FlagsNone     Flags = 0
+	FlagsOnDevice Flags = 2 // keep KV in device buffers; pair with Mooncake TE GDR
+)
+
+// Ctx wraps a *llama_context owned elsewhere in the embedded process.
+type Ctx struct{ ptr *C.struct_llama_context }
+
+// Wrap adapts a raw context pointer (e.g. obtained from the embedded runner).
+func Wrap(p unsafe.Pointer) *Ctx { return &Ctx{ptr: (*C.struct_llama_context)(p)} }
+
+// SeqSize returns the bytes needed to export sequence seq with the given flags.
+// With FlagsOnDevice this is just the device-handle/metadata size; the bulk KV
+// stays resident on the GPU.
+func (c *Ctx) SeqSize(seq int, flags Flags) uint64 {
+	return uint64(C.llama_state_seq_get_size_ext(c.ptr, C.llama_seq_id(seq), C.llama_state_seq_flags(flags)))
+}
+
+// SeqGet copies sequence seq's state into dst (len(dst) >= SeqSize). Returns the
+// number of bytes written. For zero-copy GPUDirect, allocate dst from a buffer
+// already registered with the Mooncake Transfer Engine.
+func (c *Ctx) SeqGet(dst []byte, seq int, flags Flags) (uint64, error) {
+	if len(dst) == 0 {
+		return 0, fmt.Errorf("empty dst")
+	}
+	n := C.llama_state_seq_get_data_ext(c.ptr,
+		(*C.uint8_t)(unsafe.Pointer(&dst[0])), C.size_t(len(dst)),
+		C.llama_seq_id(seq), C.llama_state_seq_flags(flags))
+	if n == 0 {
+		return 0, fmt.Errorf("llama_state_seq_get_data_ext failed")
+	}
+	return uint64(n), nil
+}
+
+// SeqSet imports src into sequence dstSeq. Returns >0 on success.
+func (c *Ctx) SeqSet(src []byte, dstSeq int, flags Flags) (uint64, error) {
+	if len(src) == 0 {
+		return 0, fmt.Errorf("empty src")
+	}
+	n := C.llama_state_seq_set_data_ext(c.ptr,
+		(*C.uint8_t)(unsafe.Pointer(&src[0])), C.size_t(len(src)),
+		C.llama_seq_id(dstSeq), C.llama_state_seq_flags(flags))
+	if n == 0 {
+		return 0, fmt.Errorf("llama_state_seq_set_data_ext failed")
+	}
+	return uint64(n), nil
+}
+
+// PtrAndLen exposes a buffer's address+length so the engine binding
+// (engine_cgo.go) can registerLocalMemory it for RDMA transfer.
+func PtrAndLen(b []byte) (uintptr, int) {
+	if len(b) == 0 {
+		return 0, 0
+	}
+	return uintptr(unsafe.Pointer(&b[0])), len(b)
+}
diff --git a/mooncake-integration/ollama/bridge/internal/server/grpc.go b/mooncake-integration/ollama/bridge/internal/server/grpc.go
new file mode 100644
index 00000000..04f8c1e4
--- /dev/null
+++ b/mooncake-integration/ollama/bridge/internal/server/grpc.go
@@ -0,0 +1,151 @@
+// Package server adapts the gRPC KVCacheBus contract and an HTTP/JSON gateway
+// onto the orchestrator. gRPC is the primary transport; the HTTP/JSON gateway
+// exists so the (Go) Ollama patch and quick curl tests can drive the bus with a
+// single net/http call and no protobuf dependency.
+package server
+
+import (
+	"context"
+
+	bridgepb "github.com/mooncake-ai/ollama-mooncake-bridge/internal/bridge/pb"
+	"github.com/mooncake-ai/ollama-mooncake-bridge/internal/cachekey"
+	"github.com/mooncake-ai/ollama-mooncake-bridge/internal/metrics"
+	"github.com/mooncake-ai/ollama-mooncake-bridge/internal/orchestrator"
+	"github.com/mooncake-ai/ollama-mooncake-bridge/internal/store"
+	dto "github.com/prometheus/client_model/go"
+	"github.com/prometheus/client_golang/prometheus"
+)
+
+const Version = "0.1.0"
+
+// GRPCServer implements bridgepb.KVCacheBusServer.
+type GRPCServer struct {
+	bridgepb.UnimplementedKVCacheBusServer
+	orch  *orchestrator.Orchestrator
+	store store.Backend
+	mx    *metrics.Metrics
+}
+
+func NewGRPC(o *orchestrator.Orchestrator, b store.Backend, mx *metrics.Metrics) *GRPCServer {
+	return &GRPCServer{orch: o, store: b, mx: mx}
+}
+
+func fpFromProto(p *bridgepb.ModelFingerprint) (cachekey.ModelFingerprint, string) {
+	if p == nil {
+		return cachekey.ModelFingerprint{}, ""
+	}
+	return cachekey.ModelFingerprint{
+		ModelDigest:   p.ModelDigest,
+		Arch:          p.Arch,
+		TokenizerHash: p.TokenizerHash,
+		RopeHash:      p.RopeHash,
+		KVType:        p.KvType,
+		KVLayout:      p.KvLayout,
+		NCtxTrain:     int(p.NCtxTrain),
+		BlockSize:     int(p.BlockSize),
+	}, p.ModelPath
+}
+
+func polFromProto(p *bridgepb.CachePolicy) orchestrator.Policy {
+	if p == nil {
+		return orchestrator.Policy{Enable: true, Read: true, Write: true}
+	}
+	return orchestrator.Policy{
+		Enable:          p.Enable,
+		Namespace:       p.Namespace,
+		Read:            p.Read,
+		Write:           p.Write,
+		BlockSize:       int(p.BlockSize),
+		ReplicaNum:      p.ReplicaNum,
+		SoftPin:         p.SoftPin,
+		MinPrefixBlocks: int(p.MinPrefixBlocks),
+	}
+}
+
+func tgtFromProto(p *bridgepb.LlamaTarget) *orchestrator.Target {
+	if p == nil || p.BaseUrl == "" {
+		return nil
+	}
+	return &orchestrator.Target{BaseURL: p.BaseUrl, Slot: int(p.SlotId)}
+}
+
+func (s *GRPCServer) Health(ctx context.Context, _ *bridgepb.HealthRequest) (*bridgepb.HealthReply, error) {
+	hi, err := s.store.Health(ctx)
+	rep := &bridgepb.HealthReply{Version: Version, StoreBackend: s.store.Name()}
+	if err != nil {
+		rep.Ok = false
+		rep.Detail = err.Error()
+		return rep, nil
+	}
+	rep.Ok = true
+	rep.StoreOk = hi.OK
+	rep.Protocol = hi.Protocol
+	rep.Detail = hi.Detail
+	return rep, nil
+}
+
+func (s *GRPCServer) Lookup(ctx context.Context, req *bridgepb.LookupRequest) (*bridgepb.LookupReply, error) {
+	fp, mp := fpFromProto(req.Fp)
+	r, err := s.orch.Lookup(ctx, fp, polFromProto(req.Policy), req.Tokens, mp)
+	if err != nil {
+		return &bridgepb.LookupReply{Error: err.Error()}, nil
+	}
+	return &bridgepb.LookupReply{
+		Hit: r.Hit, MatchedBlocks: int32(r.MatchedBlocks), MatchedTokens: int32(r.MatchedTokens),
+		TotalBlocks: int32(r.TotalBlocks), TotalTokens: int32(r.TotalTokens),
+		Decision: r.Decision, MatchedKey: r.MatchedKey, Reason: r.Reason,
+	}, nil
+}
+
+func (s *GRPCServer) Prepare(ctx context.Context, req *bridgepb.PrepareRequest) (*bridgepb.PrepareReply, error) {
+	fp, mp := fpFromProto(req.Fp)
+	r, err := s.orch.Prepare(ctx, fp, polFromProto(req.Policy), req.Tokens, mp, tgtFromProto(req.Target))
+	if err != nil {
+		return &bridgepb.PrepareReply{Error: err.Error()}, nil
+	}
+	return &bridgepb.PrepareReply{
+		Hit: r.Hit, MatchedBlocks: int32(r.MatchedBlocks), MatchedTokens: int32(r.MatchedTokens),
+		TotalBlocks: int32(r.TotalBlocks), TotalTokens: int32(r.TotalTokens),
+		Decision: r.Decision, MatchedKey: r.MatchedKey,
+		Restored: r.Restored, RestoredTokens: int32(r.RestoredTokens),
+		RestoreMs: r.RestoreMs, StoreGetMs: r.StoreGetMs, Bytes: r.Bytes, Reason: r.Reason,
+	}, nil
+}
+
+func (s *GRPCServer) Commit(ctx context.Context, req *bridgepb.CommitRequest) (*bridgepb.CommitReply, error) {
+	fp, mp := fpFromProto(req.Fp)
+	r, err := s.orch.Commit(ctx, fp, polFromProto(req.Policy), req.Tokens, mp, tgtFromProto(req.Target), int(req.PrefillN), req.PrefillMs)
+	if err != nil {
+		return &bridgepb.CommitReply{Error: err.Error()}, nil
+	}
+	return &bridgepb.CommitReply{
+		Ok: r.OK, Stored: r.Stored, StoredBlocks: int32(r.StoredBlocks), StoredTokens: int32(r.StoredTokens),
+		Bytes: r.Bytes, SaveMs: r.SaveMs, StorePutMs: r.StorePutMs, Key: r.Key, Reason: r.Reason,
+	}, nil
+}
+
+func (s *GRPCServer) Stats(_ context.Context, _ *bridgepb.StatsRequest) (*bridgepb.StatsReply, error) {
+	s.orch.RefreshGauges()
+	m := s.mx
+	return &bridgepb.StatsReply{
+		PrepareTotal:        u(m.PrepareTotal),
+		Hits:                u(m.Hits),
+		Misses:              u(m.Misses),
+		HitBlocks:           u(m.HitBlocks),
+		MissBlocks:          u(m.MissBlocks),
+		SavedPrefillTokens:  m.SavedTokens(),
+		RestoreCount:        u(m.RestoreCount),
+		CommitCount:         u(m.CommitTotal),
+		BytesGet:            m.TotalBytesGet(),
+		BytesPut:            m.TotalBytesPut(),
+	}, nil
+}
+
+// u reads a prometheus counter's current value as uint64.
+func u(c prometheus.Counter) uint64 {
+	var m dto.Metric
+	if err := c.Write(&m); err != nil {
+		return 0
+	}
+	return uint64(m.GetCounter().GetValue())
+}
diff --git a/mooncake-integration/ollama/bridge/internal/server/http.go b/mooncake-integration/ollama/bridge/internal/server/http.go
new file mode 100644
index 00000000..4ba09f33
--- /dev/null
+++ b/mooncake-integration/ollama/bridge/internal/server/http.go
@@ -0,0 +1,211 @@
+package server
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"github.com/mooncake-ai/ollama-mooncake-bridge/internal/cachekey"
+	"github.com/mooncake-ai/ollama-mooncake-bridge/internal/metrics"
+	"github.com/mooncake-ai/ollama-mooncake-bridge/internal/orchestrator"
+	"github.com/mooncake-ai/ollama-mooncake-bridge/internal/store"
+	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promhttp"
+)
+
+// --- JSON DTOs (snake_case mirrors the proto for a uniform API) ---
+
+type jsonFP struct {
+	ModelDigest   string `json:"model_digest"`
+	Arch          string `json:"arch"`
+	TokenizerHash string `json:"tokenizer_hash"`
+	RopeHash      string `json:"rope_hash"`
+	KVType        string `json:"kv_type"`
+	KVLayout      string `json:"kv_layout"`
+	NCtxTrain     int    `json:"n_ctx_train"`
+	BlockSize     int    `json:"block_size"`
+	ModelPath     string `json:"model_path"`
+}
+
+func (f jsonFP) to() (cachekey.ModelFingerprint, string) {
+	return cachekey.ModelFingerprint{
+		ModelDigest: f.ModelDigest, Arch: f.Arch, TokenizerHash: f.TokenizerHash,
+		RopeHash: f.RopeHash, KVType: f.KVType, KVLayout: f.KVLayout,
+		NCtxTrain: f.NCtxTrain, BlockSize: f.BlockSize,
+	}, f.ModelPath
+}
+
+type jsonPolicy struct {
+	Enable          bool   `json:"enable"`
+	Namespace       string `json:"namespace"`
+	Read            bool   `json:"read"`
+	Write           bool   `json:"write"`
+	BlockSize       int    `json:"block_size"`
+	ReplicaNum      uint32 `json:"replica_num"`
+	SoftPin         bool   `json:"soft_pin"`
+	MinPrefixBlocks int    `json:"min_prefix_blocks"`
+}
+
+func (p jsonPolicy) to() orchestrator.Policy {
+	return orchestrator.Policy{
+		Enable: p.Enable, Namespace: p.Namespace, Read: p.Read, Write: p.Write,
+		BlockSize: p.BlockSize, ReplicaNum: p.ReplicaNum, SoftPin: p.SoftPin,
+		MinPrefixBlocks: p.MinPrefixBlocks,
+	}
+}
+
+type jsonTarget struct {
+	BaseURL string `json:"base_url"`
+	Slot    int    `json:"slot_id"`
+}
+
+type jsonReq struct {
+	FP        jsonFP      `json:"fp"`
+	Policy    jsonPolicy  `json:"policy"`
+	Tokens    []int32     `json:"tokens"`
+	Target    *jsonTarget `json:"target"`
+	PrefillN  int         `json:"prefill_n"`
+	PrefillMs float64     `json:"prefill_ms"`
+}
+
+func (r jsonReq) target() *orchestrator.Target {
+	if r.Target == nil || r.Target.BaseURL == "" {
+		return nil
+	}
+	return &orchestrator.Target{BaseURL: r.Target.BaseURL, Slot: r.Target.Slot}
+}
+
+// HTTPServer wires the JSON gateway + Prometheus endpoint.
+type HTTPServer struct {
+	orch  *orchestrator.Orchestrator
+	store store.Backend
+	mx    *metrics.Metrics
+	reg   *prometheus.Registry
+}
+
+func NewHTTP(o *orchestrator.Orchestrator, b store.Backend, mx *metrics.Metrics, reg *prometheus.Registry) *HTTPServer {
+	return &HTTPServer{orch: o, store: b, mx: mx, reg: reg}
+}
+
+func (h *HTTPServer) Mux() *http.ServeMux {
+	mux := http.NewServeMux()
+	mux.Handle("/metrics", promhttp.HandlerFor(h.reg, promhttp.HandlerOpts{}))
+	mux.HandleFunc("/healthz", h.healthz)
+	mux.HandleFunc("/stats", h.stats)
+	mux.HandleFunc("/v1/lookup", h.lookup)
+	mux.HandleFunc("/v1/prepare", h.prepare)
+	mux.HandleFunc("/v1/commit", h.commit)
+	return mux
+}
+
+func writeJSON(w http.ResponseWriter, code int, v any) {
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(code)
+	_ = json.NewEncoder(w).Encode(v)
+}
+
+func (h *HTTPServer) decode(w http.ResponseWriter, r *http.Request) (jsonReq, bool) {
+	var req jsonReq
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		writeJSON(w, http.StatusBadRequest, map[string]string{"error": err.Error()})
+		return req, false
+	}
+	return req, true
+}
+
+func (h *HTTPServer) healthz(w http.ResponseWriter, r *http.Request) {
+	hi, err := h.store.Health(r.Context())
+	resp := map[string]any{"version": Version, "store_backend": h.store.Name()}
+	if err != nil {
+		resp["ok"] = false
+		resp["detail"] = err.Error()
+		writeJSON(w, http.StatusOK, resp)
+		return
+	}
+	resp["ok"] = true
+	resp["store_ok"] = hi.OK
+	resp["protocol"] = hi.Protocol
+	resp["master"] = hi.Master
+	resp["device"] = hi.Device
+	resp["detail"] = hi.Detail
+	writeJSON(w, http.StatusOK, resp)
+}
+
+func (h *HTTPServer) stats(w http.ResponseWriter, _ *http.Request) {
+	h.orch.RefreshGauges()
+	snap := h.orch.Arbiter().Snapshot()
+	is := h.orch.Index().Stats()
+	writeJSON(w, http.StatusOK, map[string]any{
+		"prepare_total":         u(h.mx.PrepareTotal),
+		"hits":                  u(h.mx.Hits),
+		"misses":                u(h.mx.Misses),
+		"recompute_chosen":      u(h.mx.RecomputeChosen),
+		"hit_blocks":            u(h.mx.HitBlocks),
+		"miss_blocks":           u(h.mx.MissBlocks),
+		"restore_count":         u(h.mx.RestoreCount),
+		"commit_count":          u(h.mx.CommitTotal),
+		"saved_prefill_tokens":  h.mx.SavedTokens(),
+		"bytes_get":             h.mx.TotalBytesGet(),
+		"bytes_put":             h.mx.TotalBytesPut(),
+		"learned_get_gbps":      snap.GetGBps,
+		"learned_prefill_tps":   snap.PrefillToksS,
+		"index_snapshots":       is.Snapshots,
+		"index_bytes":           is.Bytes,
+	})
+}
+
+func (h *HTTPServer) lookup(w http.ResponseWriter, r *http.Request) {
+	req, ok := h.decode(w, r)
+	if !ok {
+		return
+	}
+	fp, mp := req.FP.to()
+	res, err := h.orch.Lookup(r.Context(), fp, req.Policy.to(), req.Tokens, mp)
+	if err != nil {
+		writeJSON(w, http.StatusOK, map[string]any{"error": err.Error()})
+		return
+	}
+	writeJSON(w, http.StatusOK, map[string]any{
+		"hit": res.Hit, "matched_blocks": res.MatchedBlocks, "matched_tokens": res.MatchedTokens,
+		"total_blocks": res.TotalBlocks, "total_tokens": res.TotalTokens,
+		"decision": res.Decision, "matched_key": res.MatchedKey, "reason": res.Reason,
+	})
+}
+
+func (h *HTTPServer) prepare(w http.ResponseWriter, r *http.Request) {
+	req, ok := h.decode(w, r)
+	if !ok {
+		return
+	}
+	fp, mp := req.FP.to()
+	res, err := h.orch.Prepare(r.Context(), fp, req.Policy.to(), req.Tokens, mp, req.target())
+	if err != nil {
+		writeJSON(w, http.StatusOK, map[string]any{"error": err.Error()})
+		return
+	}
+	writeJSON(w, http.StatusOK, map[string]any{
+		"hit": res.Hit, "matched_blocks": res.MatchedBlocks, "matched_tokens": res.MatchedTokens,
+		"total_blocks": res.TotalBlocks, "total_tokens": res.TotalTokens,
+		"decision": res.Decision, "matched_key": res.MatchedKey,
+		"restored": res.Restored, "restored_tokens": res.RestoredTokens,
+		"restore_ms": res.RestoreMs, "store_get_ms": res.StoreGetMs, "bytes": res.Bytes,
+		"reason": res.Reason,
+	})
+}
+
+func (h *HTTPServer) commit(w http.ResponseWriter, r *http.Request) {
+	req, ok := h.decode(w, r)
+	if !ok {
+		return
+	}
+	fp, mp := req.FP.to()
+	res, err := h.orch.Commit(r.Context(), fp, req.Policy.to(), req.Tokens, mp, req.target(), req.PrefillN, req.PrefillMs)
+	if err != nil {
+		writeJSON(w, http.StatusOK, map[string]any{"error": err.Error()})
+		return
+	}
+	writeJSON(w, http.StatusOK, map[string]any{
+		"ok": res.OK, "stored": res.Stored, "stored_blocks": res.StoredBlocks,
+		"stored_tokens": res.StoredTokens, "bytes": res.Bytes,
+		"save_ms": res.SaveMs, "store_put_ms": res.StorePutMs, "key": res.Key, "reason": res.Reason,
+	})
+}
diff --git a/mooncake-integration/ollama/bridge/internal/store/local.go b/mooncake-integration/ollama/bridge/internal/store/local.go
new file mode 100644
index 00000000..e73cc49b
--- /dev/null
+++ b/mooncake-integration/ollama/bridge/internal/store/local.go
@@ -0,0 +1,118 @@
+package store
+
+import (
+	"context"
+	"crypto/sha256"
+	"encoding/hex"
+	"io"
+	"os"
+	"path/filepath"
+	"time"
+)
+
+// LocalBackend is a pure-Go filesystem object store. It backs the "local file"
+// baseline (cross-process, single-node, no Mooncake) and serves as a
+// zero-dependency fallback. Keys are hashed to sharded file names.
+type LocalBackend struct {
+	root string
+}
+
+func NewLocalBackend(root string) (*LocalBackend, error) {
+	if err := os.MkdirAll(root, 0o755); err != nil {
+		return nil, err
+	}
+	return &LocalBackend{root: root}, nil
+}
+
+func (l *LocalBackend) Name() string { return "local" }
+
+func (l *LocalBackend) path(key string) string {
+	h := sha256.Sum256([]byte(key))
+	hs := hex.EncodeToString(h[:])
+	return filepath.Join(l.root, hs[:2], hs)
+}
+
+func (l *LocalBackend) Health(_ context.Context) (HealthInfo, error) {
+	return HealthInfo{OK: true, Backend: "local", Protocol: "file", Master: l.root, Detail: "filesystem store"}, nil
+}
+
+func (l *LocalBackend) Exists(_ context.Context, keys []string) ([]int32, error) {
+	out := make([]int32, len(keys))
+	for i, k := range keys {
+		if _, err := os.Stat(l.path(k)); err == nil {
+			out[i] = 1
+		}
+	}
+	return out, nil
+}
+
+func (l *LocalBackend) PutFile(_ context.Context, key, path string, _ uint32, _ bool, skipIfExists bool) (PutResult, error) {
+	dst := l.path(key)
+	if skipIfExists {
+		if fi, err := os.Stat(dst); err == nil {
+			return PutResult{Bytes: uint64(fi.Size()), Existed: true}, nil
+		}
+	}
+	t0 := time.Now()
+	if err := os.MkdirAll(filepath.Dir(dst), 0o755); err != nil {
+		return PutResult{}, err
+	}
+	n, err := copyFile(path, dst)
+	if err != nil {
+		return PutResult{}, err
+	}
+	return PutResult{Bytes: uint64(n), ElapsedMs: float64(time.Since(t0).Microseconds()) / 1000.0}, nil
+}
+
+func (l *LocalBackend) GetFile(_ context.Context, key, path string) (GetResult, error) {
+	src := l.path(key)
+	if _, err := os.Stat(src); err != nil {
+		return GetResult{Found: false}, nil
+	}
+	t0 := time.Now()
+	if err := os.MkdirAll(filepath.Dir(path), 0o755); err != nil {
+		return GetResult{}, err
+	}
+	n, err := copyFile(src, path)
+	if err != nil {
+		return GetResult{}, err
+	}
+	return GetResult{Bytes: uint64(n), ElapsedMs: float64(time.Since(t0).Microseconds()) / 1000.0, Found: true}, nil
+}
+
+func (l *LocalBackend) Remove(_ context.Context, key string, _ bool) error {
+	err := os.Remove(l.path(key))
+	if os.IsNotExist(err) {
+		return nil
+	}
+	return err
+}
+
+func (l *LocalBackend) Close() error { return nil }
+
+// copyFile writes src->dst atomically (via a .tmp + rename) and returns bytes.
+func copyFile(src, dst string) (int64, error) {
+	in, err := os.Open(src)
+	if err != nil {
+		return 0, err
+	}
+	defer in.Close()
+	tmp := dst + ".tmp"
+	out, err := os.Create(tmp)
+	if err != nil {
+		return 0, err
+	}
+	n, err := io.Copy(out, in)
+	if cerr := out.Close(); err == nil {
+		err = cerr
+	}
+	if err != nil {
+		os.Remove(tmp)
+		return 0, err
+	}
+	if err := os.Rename(tmp, dst); err != nil {
+		os.Remove(tmp)
+		return 0, err
+	}
+	return n, nil
+}
diff --git a/mooncake-integration/ollama/bridge/internal/store/mooncake.go b/mooncake-integration/ollama/bridge/internal/store/mooncake.go
new file mode 100644
index 00000000..5fa452f6
--- /dev/null
+++ b/mooncake-integration/ollama/bridge/internal/store/mooncake.go
@@ -0,0 +1,110 @@
+package store
+
+import (
+	"context"
+	"time"
+
+	storeproxypb "github.com/mooncake-ai/ollama-mooncake-bridge/internal/storeproxy/pb"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
+)
+
+// MooncakeBackend talks to the Python store proxy (which owns the real
+// MooncakeDistributedStore handle) over gRPC. We pass file paths so KV blobs
+// move file<->store inside the proxy, never across this gRPC link.
+type MooncakeBackend struct {
+	conn   *grpc.ClientConn
+	cli    storeproxypb.StoreProxyClient
+	target string
+}
+
+// DialMooncake connects to the store proxy at addr (host:port).
+func DialMooncake(addr string) (*MooncakeBackend, error) {
+	conn, err := grpc.NewClient(addr,
+		grpc.WithTransportCredentials(insecure.NewCredentials()),
+		grpc.WithDefaultCallOptions(
+			grpc.MaxCallRecvMsgSize(512<<20),
+			grpc.MaxCallSendMsgSize(512<<20),
+		),
+	)
+	if err != nil {
+		return nil, err
+	}
+	return &MooncakeBackend{conn: conn, cli: storeproxypb.NewStoreProxyClient(conn), target: addr}, nil
+}
+
+func (m *MooncakeBackend) Name() string { return "mooncake" }
+
+func (m *MooncakeBackend) Health(ctx context.Context) (HealthInfo, error) {
+	ctx, cancel := context.WithTimeout(ctx, 5*time.Second)
+	defer cancel()
+	r, err := m.cli.Health(ctx, &storeproxypb.HealthRequest{})
+	if err != nil {
+		return HealthInfo{}, err
+	}
+	return HealthInfo{OK: r.Ok, Backend: r.Backend, Protocol: r.Protocol,
+		Master: r.Master, Device: r.Device, Detail: r.Detail}, nil
+}
+
+func (m *MooncakeBackend) Exists(ctx context.Context, keys []string) ([]int32, error) {
+	if len(keys) == 0 {
+		return nil, nil
+	}
+	r, err := m.cli.Exists(ctx, &storeproxypb.ExistsRequest{Keys: keys})
+	if err != nil {
+		return nil, err
+	}
+	return r.Present, nil
+}
+
+func (m *MooncakeBackend) PutFile(ctx context.Context, key, path string, replicaNum uint32, softPin, skipIfExists bool) (PutResult, error) {
+	r, err := m.cli.PutFile(ctx, &storeproxypb.PutFileRequest{
+		Key: key, Path: path, ReplicaNum: replicaNum, SoftPin: softPin, SkipIfExists: skipIfExists,
+	})
+	if err != nil {
+		return PutResult{}, err
+	}
+	if !r.Ok {
+		return PutResult{}, &Error{Op: "PutFile", Key: key, Msg: r.Error}
+	}
+	return PutResult{Bytes: r.Bytes, ElapsedMs: r.ElapsedMs, Existed: r.Existed}, nil
+}
+
+func (m *MooncakeBackend) GetFile(ctx context.Context, key, path string) (GetResult, error) {
+	r, err := m.cli.GetFile(ctx, &storeproxypb.GetFileRequest{Key: key, Path: path})
+	if err != nil {
+		return GetResult{}, err
+	}
+	if !r.Ok {
+		// A clean miss has found=false and no error message; anything with an
+		// error message is a real failure and must be surfaced, not hidden as a
+		// miss (which would degrade silently to a recompute).
+		if !r.Found && r.Error == "" {
+			return GetResult{Found: false}, nil
+		}
+		return GetResult{}, &Error{Op: "GetFile", Key: key, Msg: r.Error}
+	}
+	return GetResult{Bytes: r.Bytes, ElapsedMs: r.ElapsedMs, Found: r.Found}, nil
+}
+
+func (m *MooncakeBackend) Remove(ctx context.Context, key string, force bool) error {
+	r, err := m.cli.Remove(ctx, &storeproxypb.RemoveRequest{Key: key, Force: force})
+	if err != nil {
+		return err
+	}
+	if !r.Ok {
+		return &Error{Op: "Remove", Key: key, Msg: r.Error}
+	}
+	return nil
+}
+
+func (m *MooncakeBackend) Close() error { return m.conn.Close() }
+
+// Error is a typed store error carrying op + key context.
+type Error struct {
+	Op  string
+	Key string
+	Msg string
+}
+
+func (e *Error) Error() string { return e.Op + "(" + e.Key + "): " + e.Msg }
diff --git a/mooncake-integration/ollama/bridge/internal/store/store.go b/mooncake-integration/ollama/bridge/internal/store/store.go
new file mode 100644
index 00000000..1e22be8b
--- /dev/null
+++ b/mooncake-integration/ollama/bridge/internal/store/store.go
@@ -0,0 +1,49 @@
+// Package store abstracts the KV-snapshot object store behind a small Backend
+// interface so the orchestrator is agnostic to *where* bytes live. Two
+// implementations ship:
+//
+//   - mooncake: the real distributed store, reached via the Python store proxy
+//     over gRPC (TCP or RDMA/GPUDirect). This is the primary path.
+//   - local: a pure-Go filesystem object store (the "local file" baseline and a
+//     zero-dependency fallback when no proxy/master is available).
+//
+// Blobs are addressed by file path, never streamed through this process: a
+// multi-GiB KV snapshot is copied at most once (file <-> store).
+package store
+
+import "context"
+
+// PutResult / GetResult report what a transfer moved and how long it took, so
+// the arbiter can learn live store bandwidth.
+type PutResult struct {
+	Bytes     uint64
+	ElapsedMs float64
+	Existed   bool // skipped because the key already existed
+}
+
+type GetResult struct {
+	Bytes     uint64
+	ElapsedMs float64
+	Found     bool
+}
+
+type HealthInfo struct {
+	OK       bool
+	Backend  string
+	Protocol string
+	Master   string
+	Device   string
+	Detail   string
+}
+
+// Backend is the minimal object-store contract the orchestrator needs.
+type Backend interface {
+	Name() string
+	Health(ctx context.Context) (HealthInfo, error)
+	// Exists returns one value per key: 1 present, 0 absent, -1 error.
+	Exists(ctx context.Context, keys []string) ([]int32, error)
+	PutFile(ctx context.Context, key, path string, replicaNum uint32, softPin, skipIfExists bool) (PutResult, error)
+	GetFile(ctx context.Context, key, path string) (GetResult, error)
+	Remove(ctx context.Context, key string, force bool) error
+	Close() error
+}
diff --git a/mooncake-integration/ollama/bridge/internal/storeproxy/pb/storeproxy.pb.go b/mooncake-integration/ollama/bridge/internal/storeproxy/pb/storeproxy.pb.go
new file mode 100644
index 00000000..ef8fb50e
--- /dev/null
+++ b/mooncake-integration/ollama/bridge/internal/storeproxy/pb/storeproxy.pb.go
@@ -0,0 +1,1479 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.34.2
+// 	protoc        v3.12.4
+// source: storeproxy.proto
+
+// StoreProxy is the gRPC contract between the Go sidecar (client) and the
+// Python Mooncake store proxy (server). The Python side owns the single,
+// long-lived, warm mooncake.store.MooncakeDistributedStore handle.
+//
+// Design note: KV snapshots can be multiple GiB. We therefore pass *file paths*
+// (in the shared --slot-save-path directory) instead of streaming bytes through
+// Go. The proxy reads/writes those files directly to/from the store, so a
+// multi-GiB KV blob is copied at most once (file <-> store), never through the
+// Go process. Small values may still be sent inline via PutBytes/GetBytes.
+
+package storeproxypb
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type HealthRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *HealthRequest) Reset() {
+	*x = HealthRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_storeproxy_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *HealthRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*HealthRequest) ProtoMessage() {}
+
+func (x *HealthRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_storeproxy_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use HealthRequest.ProtoReflect.Descriptor instead.
+func (*HealthRequest) Descriptor() ([]byte, []int) {
+	return file_storeproxy_proto_rawDescGZIP(), []int{0}
+}
+
+type HealthReply struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Ok       bool   `protobuf:"varint,1,opt,name=ok,proto3" json:"ok,omitempty"`
+	Backend  string `protobuf:"bytes,2,opt,name=backend,proto3" json:"backend,omitempty"`   // "mooncake" | "local"
+	Protocol string `protobuf:"bytes,3,opt,name=protocol,proto3" json:"protocol,omitempty"` // "tcp" | "rdma"
+	Master   string `protobuf:"bytes,4,opt,name=master,proto3" json:"master,omitempty"`     // master_server_addr
+	Device   string `protobuf:"bytes,5,opt,name=device,proto3" json:"device,omitempty"`     // rdma device(s)
+	Detail   string `protobuf:"bytes,6,opt,name=detail,proto3" json:"detail,omitempty"`
+}
+
+func (x *HealthReply) Reset() {
+	*x = HealthReply{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_storeproxy_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *HealthReply) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*HealthReply) ProtoMessage() {}
+
+func (x *HealthReply) ProtoReflect() protoreflect.Message {
+	mi := &file_storeproxy_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use HealthReply.ProtoReflect.Descriptor instead.
+func (*HealthReply) Descriptor() ([]byte, []int) {
+	return file_storeproxy_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *HealthReply) GetOk() bool {
+	if x != nil {
+		return x.Ok
+	}
+	return false
+}
+
+func (x *HealthReply) GetBackend() string {
+	if x != nil {
+		return x.Backend
+	}
+	return ""
+}
+
+func (x *HealthReply) GetProtocol() string {
+	if x != nil {
+		return x.Protocol
+	}
+	return ""
+}
+
+func (x *HealthReply) GetMaster() string {
+	if x != nil {
+		return x.Master
+	}
+	return ""
+}
+
+func (x *HealthReply) GetDevice() string {
+	if x != nil {
+		return x.Device
+	}
+	return ""
+}
+
+func (x *HealthReply) GetDetail() string {
+	if x != nil {
+		return x.Detail
+	}
+	return ""
+}
+
+type ExistsRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Keys []string `protobuf:"bytes,1,rep,name=keys,proto3" json:"keys,omitempty"`
+}
+
+func (x *ExistsRequest) Reset() {
+	*x = ExistsRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_storeproxy_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ExistsRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ExistsRequest) ProtoMessage() {}
+
+func (x *ExistsRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_storeproxy_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ExistsRequest.ProtoReflect.Descriptor instead.
+func (*ExistsRequest) Descriptor() ([]byte, []int) {
+	return file_storeproxy_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *ExistsRequest) GetKeys() []string {
+	if x != nil {
+		return x.Keys
+	}
+	return nil
+}
+
+// present[i]: 1 = exists, 0 = absent, -1 = error (mirrors batch_is_exist).
+type ExistsReply struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Present []int32 `protobuf:"varint,1,rep,packed,name=present,proto3" json:"present,omitempty"`
+}
+
+func (x *ExistsReply) Reset() {
+	*x = ExistsReply{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_storeproxy_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ExistsReply) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ExistsReply) ProtoMessage() {}
+
+func (x *ExistsReply) ProtoReflect() protoreflect.Message {
+	mi := &file_storeproxy_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ExistsReply.ProtoReflect.Descriptor instead.
+func (*ExistsReply) Descriptor() ([]byte, []int) {
+	return file_storeproxy_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *ExistsReply) GetPresent() []int32 {
+	if x != nil {
+		return x.Present
+	}
+	return nil
+}
+
+type PutFileRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Key          string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	Path         string `protobuf:"bytes,2,opt,name=path,proto3" json:"path,omitempty"`                                // local file to read
+	ReplicaNum   uint32 `protobuf:"varint,3,opt,name=replica_num,json=replicaNum,proto3" json:"replica_num,omitempty"` // ReplicateConfig.replica_num (>=1)
+	SoftPin      bool   `protobuf:"varint,4,opt,name=soft_pin,json=softPin,proto3" json:"soft_pin,omitempty"`          // ReplicateConfig.with_soft_pin (hot prefixes)
+	SkipIfExists bool   `protobuf:"varint,5,opt,name=skip_if_exists,json=skipIfExists,proto3" json:"skip_if_exists,omitempty"`
+}
+
+func (x *PutFileRequest) Reset() {
+	*x = PutFileRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_storeproxy_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *PutFileRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*PutFileRequest) ProtoMessage() {}
+
+func (x *PutFileRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_storeproxy_proto_msgTypes[4]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use PutFileRequest.ProtoReflect.Descriptor instead.
+func (*PutFileRequest) Descriptor() ([]byte, []int) {
+	return file_storeproxy_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *PutFileRequest) GetKey() string {
+	if x != nil {
+		return x.Key
+	}
+	return ""
+}
+
+func (x *PutFileRequest) GetPath() string {
+	if x != nil {
+		return x.Path
+	}
+	return ""
+}
+
+func (x *PutFileRequest) GetReplicaNum() uint32 {
+	if x != nil {
+		return x.ReplicaNum
+	}
+	return 0
+}
+
+func (x *PutFileRequest) GetSoftPin() bool {
+	if x != nil {
+		return x.SoftPin
+	}
+	return false
+}
+
+func (x *PutFileRequest) GetSkipIfExists() bool {
+	if x != nil {
+		return x.SkipIfExists
+	}
+	return false
+}
+
+type PutFileReply struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Ok        bool    `protobuf:"varint,1,opt,name=ok,proto3" json:"ok,omitempty"`
+	Bytes     uint64  `protobuf:"varint,2,opt,name=bytes,proto3" json:"bytes,omitempty"`
+	ElapsedMs float64 `protobuf:"fixed64,3,opt,name=elapsed_ms,json=elapsedMs,proto3" json:"elapsed_ms,omitempty"`
+	Existed   bool    `protobuf:"varint,4,opt,name=existed,proto3" json:"existed,omitempty"` // true if skipped because key already present
+	Error     string  `protobuf:"bytes,5,opt,name=error,proto3" json:"error,omitempty"`
+}
+
+func (x *PutFileReply) Reset() {
+	*x = PutFileReply{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_storeproxy_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *PutFileReply) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*PutFileReply) ProtoMessage() {}
+
+func (x *PutFileReply) ProtoReflect() protoreflect.Message {
+	mi := &file_storeproxy_proto_msgTypes[5]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use PutFileReply.ProtoReflect.Descriptor instead.
+func (*PutFileReply) Descriptor() ([]byte, []int) {
+	return file_storeproxy_proto_rawDescGZIP(), []int{5}
+}
+
+func (x *PutFileReply) GetOk() bool {
+	if x != nil {
+		return x.Ok
+	}
+	return false
+}
+
+func (x *PutFileReply) GetBytes() uint64 {
+	if x != nil {
+		return x.Bytes
+	}
+	return 0
+}
+
+func (x *PutFileReply) GetElapsedMs() float64 {
+	if x != nil {
+		return x.ElapsedMs
+	}
+	return 0
+}
+
+func (x *PutFileReply) GetExisted() bool {
+	if x != nil {
+		return x.Existed
+	}
+	return false
+}
+
+func (x *PutFileReply) GetError() string {
+	if x != nil {
+		return x.Error
+	}
+	return ""
+}
+
+type GetFileRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Key  string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	Path string `protobuf:"bytes,2,opt,name=path,proto3" json:"path,omitempty"` // local file to write
+}
+
+func (x *GetFileRequest) Reset() {
+	*x = GetFileRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_storeproxy_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GetFileRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetFileRequest) ProtoMessage() {}
+
+func (x *GetFileRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_storeproxy_proto_msgTypes[6]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetFileRequest.ProtoReflect.Descriptor instead.
+func (*GetFileRequest) Descriptor() ([]byte, []int) {
+	return file_storeproxy_proto_rawDescGZIP(), []int{6}
+}
+
+func (x *GetFileRequest) GetKey() string {
+	if x != nil {
+		return x.Key
+	}
+	return ""
+}
+
+func (x *GetFileRequest) GetPath() string {
+	if x != nil {
+		return x.Path
+	}
+	return ""
+}
+
+type GetFileReply struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Ok        bool    `protobuf:"varint,1,opt,name=ok,proto3" json:"ok,omitempty"`
+	Bytes     uint64  `protobuf:"varint,2,opt,name=bytes,proto3" json:"bytes,omitempty"`
+	ElapsedMs float64 `protobuf:"fixed64,3,opt,name=elapsed_ms,json=elapsedMs,proto3" json:"elapsed_ms,omitempty"`
+	Found     bool    `protobuf:"varint,4,opt,name=found,proto3" json:"found,omitempty"`
+	Error     string  `protobuf:"bytes,5,opt,name=error,proto3" json:"error,omitempty"`
+}
+
+func (x *GetFileReply) Reset() {
+	*x = GetFileReply{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_storeproxy_proto_msgTypes[7]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GetFileReply) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetFileReply) ProtoMessage() {}
+
+func (x *GetFileReply) ProtoReflect() protoreflect.Message {
+	mi := &file_storeproxy_proto_msgTypes[7]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetFileReply.ProtoReflect.Descriptor instead.
+func (*GetFileReply) Descriptor() ([]byte, []int) {
+	return file_storeproxy_proto_rawDescGZIP(), []int{7}
+}
+
+func (x *GetFileReply) GetOk() bool {
+	if x != nil {
+		return x.Ok
+	}
+	return false
+}
+
+func (x *GetFileReply) GetBytes() uint64 {
+	if x != nil {
+		return x.Bytes
+	}
+	return 0
+}
+
+func (x *GetFileReply) GetElapsedMs() float64 {
+	if x != nil {
+		return x.ElapsedMs
+	}
+	return 0
+}
+
+func (x *GetFileReply) GetFound() bool {
+	if x != nil {
+		return x.Found
+	}
+	return false
+}
+
+func (x *GetFileReply) GetError() string {
+	if x != nil {
+		return x.Error
+	}
+	return ""
+}
+
+type PutBytesRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Key        string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	Value      []byte `protobuf:"bytes,2,opt,name=value,proto3" json:"value,omitempty"`
+	ReplicaNum uint32 `protobuf:"varint,3,opt,name=replica_num,json=replicaNum,proto3" json:"replica_num,omitempty"`
+	SoftPin    bool   `protobuf:"varint,4,opt,name=soft_pin,json=softPin,proto3" json:"soft_pin,omitempty"`
+}
+
+func (x *PutBytesRequest) Reset() {
+	*x = PutBytesRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_storeproxy_proto_msgTypes[8]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *PutBytesRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*PutBytesRequest) ProtoMessage() {}
+
+func (x *PutBytesRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_storeproxy_proto_msgTypes[8]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use PutBytesRequest.ProtoReflect.Descriptor instead.
+func (*PutBytesRequest) Descriptor() ([]byte, []int) {
+	return file_storeproxy_proto_rawDescGZIP(), []int{8}
+}
+
+func (x *PutBytesRequest) GetKey() string {
+	if x != nil {
+		return x.Key
+	}
+	return ""
+}
+
+func (x *PutBytesRequest) GetValue() []byte {
+	if x != nil {
+		return x.Value
+	}
+	return nil
+}
+
+func (x *PutBytesRequest) GetReplicaNum() uint32 {
+	if x != nil {
+		return x.ReplicaNum
+	}
+	return 0
+}
+
+func (x *PutBytesRequest) GetSoftPin() bool {
+	if x != nil {
+		return x.SoftPin
+	}
+	return false
+}
+
+type PutBytesReply struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Ok        bool    `protobuf:"varint,1,opt,name=ok,proto3" json:"ok,omitempty"`
+	Bytes     uint64  `protobuf:"varint,2,opt,name=bytes,proto3" json:"bytes,omitempty"`
+	ElapsedMs float64 `protobuf:"fixed64,3,opt,name=elapsed_ms,json=elapsedMs,proto3" json:"elapsed_ms,omitempty"`
+	Error     string  `protobuf:"bytes,4,opt,name=error,proto3" json:"error,omitempty"`
+}
+
+func (x *PutBytesReply) Reset() {
+	*x = PutBytesReply{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_storeproxy_proto_msgTypes[9]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *PutBytesReply) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*PutBytesReply) ProtoMessage() {}
+
+func (x *PutBytesReply) ProtoReflect() protoreflect.Message {
+	mi := &file_storeproxy_proto_msgTypes[9]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use PutBytesReply.ProtoReflect.Descriptor instead.
+func (*PutBytesReply) Descriptor() ([]byte, []int) {
+	return file_storeproxy_proto_rawDescGZIP(), []int{9}
+}
+
+func (x *PutBytesReply) GetOk() bool {
+	if x != nil {
+		return x.Ok
+	}
+	return false
+}
+
+func (x *PutBytesReply) GetBytes() uint64 {
+	if x != nil {
+		return x.Bytes
+	}
+	return 0
+}
+
+func (x *PutBytesReply) GetElapsedMs() float64 {
+	if x != nil {
+		return x.ElapsedMs
+	}
+	return 0
+}
+
+func (x *PutBytesReply) GetError() string {
+	if x != nil {
+		return x.Error
+	}
+	return ""
+}
+
+type GetBytesRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Key string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+}
+
+func (x *GetBytesRequest) Reset() {
+	*x = GetBytesRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_storeproxy_proto_msgTypes[10]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GetBytesRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetBytesRequest) ProtoMessage() {}
+
+func (x *GetBytesRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_storeproxy_proto_msgTypes[10]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetBytesRequest.ProtoReflect.Descriptor instead.
+func (*GetBytesRequest) Descriptor() ([]byte, []int) {
+	return file_storeproxy_proto_rawDescGZIP(), []int{10}
+}
+
+func (x *GetBytesRequest) GetKey() string {
+	if x != nil {
+		return x.Key
+	}
+	return ""
+}
+
+type GetBytesReply struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Ok        bool    `protobuf:"varint,1,opt,name=ok,proto3" json:"ok,omitempty"`
+	Value     []byte  `protobuf:"bytes,2,opt,name=value,proto3" json:"value,omitempty"`
+	ElapsedMs float64 `protobuf:"fixed64,3,opt,name=elapsed_ms,json=elapsedMs,proto3" json:"elapsed_ms,omitempty"`
+	Found     bool    `protobuf:"varint,4,opt,name=found,proto3" json:"found,omitempty"`
+	Error     string  `protobuf:"bytes,5,opt,name=error,proto3" json:"error,omitempty"`
+}
+
+func (x *GetBytesReply) Reset() {
+	*x = GetBytesReply{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_storeproxy_proto_msgTypes[11]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GetBytesReply) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetBytesReply) ProtoMessage() {}
+
+func (x *GetBytesReply) ProtoReflect() protoreflect.Message {
+	mi := &file_storeproxy_proto_msgTypes[11]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetBytesReply.ProtoReflect.Descriptor instead.
+func (*GetBytesReply) Descriptor() ([]byte, []int) {
+	return file_storeproxy_proto_rawDescGZIP(), []int{11}
+}
+
+func (x *GetBytesReply) GetOk() bool {
+	if x != nil {
+		return x.Ok
+	}
+	return false
+}
+
+func (x *GetBytesReply) GetValue() []byte {
+	if x != nil {
+		return x.Value
+	}
+	return nil
+}
+
+func (x *GetBytesReply) GetElapsedMs() float64 {
+	if x != nil {
+		return x.ElapsedMs
+	}
+	return 0
+}
+
+func (x *GetBytesReply) GetFound() bool {
+	if x != nil {
+		return x.Found
+	}
+	return false
+}
+
+func (x *GetBytesReply) GetError() string {
+	if x != nil {
+		return x.Error
+	}
+	return ""
+}
+
+type RemoveRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Key   string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	Force bool   `protobuf:"varint,2,opt,name=force,proto3" json:"force,omitempty"`
+}
+
+func (x *RemoveRequest) Reset() {
+	*x = RemoveRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_storeproxy_proto_msgTypes[12]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RemoveRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RemoveRequest) ProtoMessage() {}
+
+func (x *RemoveRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_storeproxy_proto_msgTypes[12]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RemoveRequest.ProtoReflect.Descriptor instead.
+func (*RemoveRequest) Descriptor() ([]byte, []int) {
+	return file_storeproxy_proto_rawDescGZIP(), []int{12}
+}
+
+func (x *RemoveRequest) GetKey() string {
+	if x != nil {
+		return x.Key
+	}
+	return ""
+}
+
+func (x *RemoveRequest) GetForce() bool {
+	if x != nil {
+		return x.Force
+	}
+	return false
+}
+
+type RemoveReply struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Ok    bool   `protobuf:"varint,1,opt,name=ok,proto3" json:"ok,omitempty"`
+	Error string `protobuf:"bytes,2,opt,name=error,proto3" json:"error,omitempty"`
+}
+
+func (x *RemoveReply) Reset() {
+	*x = RemoveReply{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_storeproxy_proto_msgTypes[13]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RemoveReply) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RemoveReply) ProtoMessage() {}
+
+func (x *RemoveReply) ProtoReflect() protoreflect.Message {
+	mi := &file_storeproxy_proto_msgTypes[13]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RemoveReply.ProtoReflect.Descriptor instead.
+func (*RemoveReply) Descriptor() ([]byte, []int) {
+	return file_storeproxy_proto_rawDescGZIP(), []int{13}
+}
+
+func (x *RemoveReply) GetOk() bool {
+	if x != nil {
+		return x.Ok
+	}
+	return false
+}
+
+func (x *RemoveReply) GetError() string {
+	if x != nil {
+		return x.Error
+	}
+	return ""
+}
+
+type StatsRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *StatsRequest) Reset() {
+	*x = StatsRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_storeproxy_proto_msgTypes[14]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *StatsRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*StatsRequest) ProtoMessage() {}
+
+func (x *StatsRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_storeproxy_proto_msgTypes[14]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use StatsRequest.ProtoReflect.Descriptor instead.
+func (*StatsRequest) Descriptor() ([]byte, []int) {
+	return file_storeproxy_proto_rawDescGZIP(), []int{14}
+}
+
+type StatsReply struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	PutOps     uint64  `protobuf:"varint,1,opt,name=put_ops,json=putOps,proto3" json:"put_ops,omitempty"`
+	GetOps     uint64  `protobuf:"varint,2,opt,name=get_ops,json=getOps,proto3" json:"get_ops,omitempty"`
+	ExistsOps  uint64  `protobuf:"varint,3,opt,name=exists_ops,json=existsOps,proto3" json:"exists_ops,omitempty"`
+	PutBytes   uint64  `protobuf:"varint,4,opt,name=put_bytes,json=putBytes,proto3" json:"put_bytes,omitempty"`
+	GetBytes   uint64  `protobuf:"varint,5,opt,name=get_bytes,json=getBytes,proto3" json:"get_bytes,omitempty"`
+	PutMsTotal float64 `protobuf:"fixed64,6,opt,name=put_ms_total,json=putMsTotal,proto3" json:"put_ms_total,omitempty"`
+	GetMsTotal float64 `protobuf:"fixed64,7,opt,name=get_ms_total,json=getMsTotal,proto3" json:"get_ms_total,omitempty"`
+	Backend    string  `protobuf:"bytes,8,opt,name=backend,proto3" json:"backend,omitempty"`
+}
+
+func (x *StatsReply) Reset() {
+	*x = StatsReply{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_storeproxy_proto_msgTypes[15]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *StatsReply) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*StatsReply) ProtoMessage() {}
+
+func (x *StatsReply) ProtoReflect() protoreflect.Message {
+	mi := &file_storeproxy_proto_msgTypes[15]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use StatsReply.ProtoReflect.Descriptor instead.
+func (*StatsReply) Descriptor() ([]byte, []int) {
+	return file_storeproxy_proto_rawDescGZIP(), []int{15}
+}
+
+func (x *StatsReply) GetPutOps() uint64 {
+	if x != nil {
+		return x.PutOps
+	}
+	return 0
+}
+
+func (x *StatsReply) GetGetOps() uint64 {
+	if x != nil {
+		return x.GetOps
+	}
+	return 0
+}
+
+func (x *StatsReply) GetExistsOps() uint64 {
+	if x != nil {
+		return x.ExistsOps
+	}
+	return 0
+}
+
+func (x *StatsReply) GetPutBytes() uint64 {
+	if x != nil {
+		return x.PutBytes
+	}
+	return 0
+}
+
+func (x *StatsReply) GetGetBytes() uint64 {
+	if x != nil {
+		return x.GetBytes
+	}
+	return 0
+}
+
+func (x *StatsReply) GetPutMsTotal() float64 {
+	if x != nil {
+		return x.PutMsTotal
+	}
+	return 0
+}
+
+func (x *StatsReply) GetGetMsTotal() float64 {
+	if x != nil {
+		return x.GetMsTotal
+	}
+	return 0
+}
+
+func (x *StatsReply) GetBackend() string {
+	if x != nil {
+		return x.Backend
+	}
+	return ""
+}
+
+var File_storeproxy_proto protoreflect.FileDescriptor
+
+var file_storeproxy_proto_rawDesc = []byte{
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+	0x1b, 0x2e, 0x73, 0x74, 0x6f, 0x72, 0x65, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2e, 0x76, 0x31, 0x2e,
+	0x53, 0x74, 0x61, 0x74, 0x73, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x19, 0x2e, 0x73,
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+	0x74, 0x73, 0x52, 0x65, 0x70, 0x6c, 0x79, 0x42, 0x53, 0x5a, 0x51, 0x67, 0x69, 0x74, 0x68, 0x75,
+	0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x6d, 0x6f, 0x6f, 0x6e, 0x63, 0x61, 0x6b, 0x65, 0x2d, 0x61,
+	0x69, 0x2f, 0x6f, 0x6c, 0x6c, 0x61, 0x6d, 0x61, 0x2d, 0x6d, 0x6f, 0x6f, 0x6e, 0x63, 0x61, 0x6b,
+	0x65, 0x2d, 0x62, 0x72, 0x69, 0x64, 0x67, 0x65, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x61,
+	0x6c, 0x2f, 0x73, 0x74, 0x6f, 0x72, 0x65, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2f, 0x70, 0x62, 0x3b,
+	0x73, 0x74, 0x6f, 0x72, 0x65, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x70, 0x62, 0x62, 0x06, 0x70, 0x72,
+	0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_storeproxy_proto_rawDescOnce sync.Once
+	file_storeproxy_proto_rawDescData = file_storeproxy_proto_rawDesc
+)
+
+func file_storeproxy_proto_rawDescGZIP() []byte {
+	file_storeproxy_proto_rawDescOnce.Do(func() {
+		file_storeproxy_proto_rawDescData = protoimpl.X.CompressGZIP(file_storeproxy_proto_rawDescData)
+	})
+	return file_storeproxy_proto_rawDescData
+}
+
+var file_storeproxy_proto_msgTypes = make([]protoimpl.MessageInfo, 16)
+var file_storeproxy_proto_goTypes = []any{
+	(*HealthRequest)(nil),   // 0: storeproxy.v1.HealthRequest
+	(*HealthReply)(nil),     // 1: storeproxy.v1.HealthReply
+	(*ExistsRequest)(nil),   // 2: storeproxy.v1.ExistsRequest
+	(*ExistsReply)(nil),     // 3: storeproxy.v1.ExistsReply
+	(*PutFileRequest)(nil),  // 4: storeproxy.v1.PutFileRequest
+	(*PutFileReply)(nil),    // 5: storeproxy.v1.PutFileReply
+	(*GetFileRequest)(nil),  // 6: storeproxy.v1.GetFileRequest
+	(*GetFileReply)(nil),    // 7: storeproxy.v1.GetFileReply
+	(*PutBytesRequest)(nil), // 8: storeproxy.v1.PutBytesRequest
+	(*PutBytesReply)(nil),   // 9: storeproxy.v1.PutBytesReply
+	(*GetBytesRequest)(nil), // 10: storeproxy.v1.GetBytesRequest
+	(*GetBytesReply)(nil),   // 11: storeproxy.v1.GetBytesReply
+	(*RemoveRequest)(nil),   // 12: storeproxy.v1.RemoveRequest
+	(*RemoveReply)(nil),     // 13: storeproxy.v1.RemoveReply
+	(*StatsRequest)(nil),    // 14: storeproxy.v1.StatsRequest
+	(*StatsReply)(nil),      // 15: storeproxy.v1.StatsReply
+}
+var file_storeproxy_proto_depIdxs = []int32{
+	0,  // 0: storeproxy.v1.StoreProxy.Health:input_type -> storeproxy.v1.HealthRequest
+	2,  // 1: storeproxy.v1.StoreProxy.Exists:input_type -> storeproxy.v1.ExistsRequest
+	4,  // 2: storeproxy.v1.StoreProxy.PutFile:input_type -> storeproxy.v1.PutFileRequest
+	6,  // 3: storeproxy.v1.StoreProxy.GetFile:input_type -> storeproxy.v1.GetFileRequest
+	8,  // 4: storeproxy.v1.StoreProxy.PutBytes:input_type -> storeproxy.v1.PutBytesRequest
+	10, // 5: storeproxy.v1.StoreProxy.GetBytes:input_type -> storeproxy.v1.GetBytesRequest
+	12, // 6: storeproxy.v1.StoreProxy.Remove:input_type -> storeproxy.v1.RemoveRequest
+	14, // 7: storeproxy.v1.StoreProxy.Stats:input_type -> storeproxy.v1.StatsRequest
+	1,  // 8: storeproxy.v1.StoreProxy.Health:output_type -> storeproxy.v1.HealthReply
+	3,  // 9: storeproxy.v1.StoreProxy.Exists:output_type -> storeproxy.v1.ExistsReply
+	5,  // 10: storeproxy.v1.StoreProxy.PutFile:output_type -> storeproxy.v1.PutFileReply
+	7,  // 11: storeproxy.v1.StoreProxy.GetFile:output_type -> storeproxy.v1.GetFileReply
+	9,  // 12: storeproxy.v1.StoreProxy.PutBytes:output_type -> storeproxy.v1.PutBytesReply
+	11, // 13: storeproxy.v1.StoreProxy.GetBytes:output_type -> storeproxy.v1.GetBytesReply
+	13, // 14: storeproxy.v1.StoreProxy.Remove:output_type -> storeproxy.v1.RemoveReply
+	15, // 15: storeproxy.v1.StoreProxy.Stats:output_type -> storeproxy.v1.StatsReply
+	8,  // [8:16] is the sub-list for method output_type
+	0,  // [0:8] is the sub-list for method input_type
+	0,  // [0:0] is the sub-list for extension type_name
+	0,  // [0:0] is the sub-list for extension extendee
+	0,  // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_storeproxy_proto_init() }
+func file_storeproxy_proto_init() {
+	if File_storeproxy_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_storeproxy_proto_msgTypes[0].Exporter = func(v any, i int) any {
+			switch v := v.(*HealthRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_storeproxy_proto_msgTypes[1].Exporter = func(v any, i int) any {
+			switch v := v.(*HealthReply); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_storeproxy_proto_msgTypes[2].Exporter = func(v any, i int) any {
+			switch v := v.(*ExistsRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_storeproxy_proto_msgTypes[3].Exporter = func(v any, i int) any {
+			switch v := v.(*ExistsReply); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_storeproxy_proto_msgTypes[4].Exporter = func(v any, i int) any {
+			switch v := v.(*PutFileRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_storeproxy_proto_msgTypes[5].Exporter = func(v any, i int) any {
+			switch v := v.(*PutFileReply); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_storeproxy_proto_msgTypes[6].Exporter = func(v any, i int) any {
+			switch v := v.(*GetFileRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_storeproxy_proto_msgTypes[7].Exporter = func(v any, i int) any {
+			switch v := v.(*GetFileReply); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_storeproxy_proto_msgTypes[8].Exporter = func(v any, i int) any {
+			switch v := v.(*PutBytesRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_storeproxy_proto_msgTypes[9].Exporter = func(v any, i int) any {
+			switch v := v.(*PutBytesReply); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_storeproxy_proto_msgTypes[10].Exporter = func(v any, i int) any {
+			switch v := v.(*GetBytesRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_storeproxy_proto_msgTypes[11].Exporter = func(v any, i int) any {
+			switch v := v.(*GetBytesReply); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_storeproxy_proto_msgTypes[12].Exporter = func(v any, i int) any {
+			switch v := v.(*RemoveRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_storeproxy_proto_msgTypes[13].Exporter = func(v any, i int) any {
+			switch v := v.(*RemoveReply); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_storeproxy_proto_msgTypes[14].Exporter = func(v any, i int) any {
+			switch v := v.(*StatsRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_storeproxy_proto_msgTypes[15].Exporter = func(v any, i int) any {
+			switch v := v.(*StatsReply); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_storeproxy_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   16,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_storeproxy_proto_goTypes,
+		DependencyIndexes: file_storeproxy_proto_depIdxs,
+		MessageInfos:      file_storeproxy_proto_msgTypes,
+	}.Build()
+	File_storeproxy_proto = out.File
+	file_storeproxy_proto_rawDesc = nil
+	file_storeproxy_proto_goTypes = nil
+	file_storeproxy_proto_depIdxs = nil
+}
diff --git a/mooncake-integration/ollama/bridge/internal/storeproxy/pb/storeproxy_grpc.pb.go b/mooncake-integration/ollama/bridge/internal/storeproxy/pb/storeproxy_grpc.pb.go
new file mode 100644
index 00000000..b6712c73
--- /dev/null
+++ b/mooncake-integration/ollama/bridge/internal/storeproxy/pb/storeproxy_grpc.pb.go
@@ -0,0 +1,396 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.4.0
+// - protoc             v3.12.4
+// source: storeproxy.proto
+
+// StoreProxy is the gRPC contract between the Go sidecar (client) and the
+// Python Mooncake store proxy (server). The Python side owns the single,
+// long-lived, warm mooncake.store.MooncakeDistributedStore handle.
+//
+// Design note: KV snapshots can be multiple GiB. We therefore pass *file paths*
+// (in the shared --slot-save-path directory) instead of streaming bytes through
+// Go. The proxy reads/writes those files directly to/from the store, so a
+// multi-GiB KV blob is copied at most once (file <-> store), never through the
+// Go process. Small values may still be sent inline via PutBytes/GetBytes.
+
+package storeproxypb
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.62.0 or later.
+const _ = grpc.SupportPackageIsVersion8
+
+const (
+	StoreProxy_Health_FullMethodName   = "/storeproxy.v1.StoreProxy/Health"
+	StoreProxy_Exists_FullMethodName   = "/storeproxy.v1.StoreProxy/Exists"
+	StoreProxy_PutFile_FullMethodName  = "/storeproxy.v1.StoreProxy/PutFile"
+	StoreProxy_GetFile_FullMethodName  = "/storeproxy.v1.StoreProxy/GetFile"
+	StoreProxy_PutBytes_FullMethodName = "/storeproxy.v1.StoreProxy/PutBytes"
+	StoreProxy_GetBytes_FullMethodName = "/storeproxy.v1.StoreProxy/GetBytes"
+	StoreProxy_Remove_FullMethodName   = "/storeproxy.v1.StoreProxy/Remove"
+	StoreProxy_Stats_FullMethodName    = "/storeproxy.v1.StoreProxy/Stats"
+)
+
+// StoreProxyClient is the client API for StoreProxy service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type StoreProxyClient interface {
+	// Liveness + which backend/protocol/master is active.
+	Health(ctx context.Context, in *HealthRequest, opts ...grpc.CallOption) (*HealthReply, error)
+	// Batched existence check (maps to mooncake batch_is_exist).
+	Exists(ctx context.Context, in *ExistsRequest, opts ...grpc.CallOption) (*ExistsReply, error)
+	// Store a KV snapshot file under `key`.
+	PutFile(ctx context.Context, in *PutFileRequest, opts ...grpc.CallOption) (*PutFileReply, error)
+	// Materialize `key` into a local file at `path`.
+	GetFile(ctx context.Context, in *GetFileRequest, opts ...grpc.CallOption) (*GetFileReply, error)
+	// Inline small-value variants (metadata, manifests).
+	PutBytes(ctx context.Context, in *PutBytesRequest, opts ...grpc.CallOption) (*PutBytesReply, error)
+	GetBytes(ctx context.Context, in *GetBytesRequest, opts ...grpc.CallOption) (*GetBytesReply, error)
+	Remove(ctx context.Context, in *RemoveRequest, opts ...grpc.CallOption) (*RemoveReply, error)
+	Stats(ctx context.Context, in *StatsRequest, opts ...grpc.CallOption) (*StatsReply, error)
+}
+
+type storeProxyClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewStoreProxyClient(cc grpc.ClientConnInterface) StoreProxyClient {
+	return &storeProxyClient{cc}
+}
+
+func (c *storeProxyClient) Health(ctx context.Context, in *HealthRequest, opts ...grpc.CallOption) (*HealthReply, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(HealthReply)
+	err := c.cc.Invoke(ctx, StoreProxy_Health_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *storeProxyClient) Exists(ctx context.Context, in *ExistsRequest, opts ...grpc.CallOption) (*ExistsReply, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(ExistsReply)
+	err := c.cc.Invoke(ctx, StoreProxy_Exists_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *storeProxyClient) PutFile(ctx context.Context, in *PutFileRequest, opts ...grpc.CallOption) (*PutFileReply, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(PutFileReply)
+	err := c.cc.Invoke(ctx, StoreProxy_PutFile_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *storeProxyClient) GetFile(ctx context.Context, in *GetFileRequest, opts ...grpc.CallOption) (*GetFileReply, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(GetFileReply)
+	err := c.cc.Invoke(ctx, StoreProxy_GetFile_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *storeProxyClient) PutBytes(ctx context.Context, in *PutBytesRequest, opts ...grpc.CallOption) (*PutBytesReply, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(PutBytesReply)
+	err := c.cc.Invoke(ctx, StoreProxy_PutBytes_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *storeProxyClient) GetBytes(ctx context.Context, in *GetBytesRequest, opts ...grpc.CallOption) (*GetBytesReply, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(GetBytesReply)
+	err := c.cc.Invoke(ctx, StoreProxy_GetBytes_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *storeProxyClient) Remove(ctx context.Context, in *RemoveRequest, opts ...grpc.CallOption) (*RemoveReply, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(RemoveReply)
+	err := c.cc.Invoke(ctx, StoreProxy_Remove_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *storeProxyClient) Stats(ctx context.Context, in *StatsRequest, opts ...grpc.CallOption) (*StatsReply, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(StatsReply)
+	err := c.cc.Invoke(ctx, StoreProxy_Stats_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// StoreProxyServer is the server API for StoreProxy service.
+// All implementations must embed UnimplementedStoreProxyServer
+// for forward compatibility
+type StoreProxyServer interface {
+	// Liveness + which backend/protocol/master is active.
+	Health(context.Context, *HealthRequest) (*HealthReply, error)
+	// Batched existence check (maps to mooncake batch_is_exist).
+	Exists(context.Context, *ExistsRequest) (*ExistsReply, error)
+	// Store a KV snapshot file under `key`.
+	PutFile(context.Context, *PutFileRequest) (*PutFileReply, error)
+	// Materialize `key` into a local file at `path`.
+	GetFile(context.Context, *GetFileRequest) (*GetFileReply, error)
+	// Inline small-value variants (metadata, manifests).
+	PutBytes(context.Context, *PutBytesRequest) (*PutBytesReply, error)
+	GetBytes(context.Context, *GetBytesRequest) (*GetBytesReply, error)
+	Remove(context.Context, *RemoveRequest) (*RemoveReply, error)
+	Stats(context.Context, *StatsRequest) (*StatsReply, error)
+	mustEmbedUnimplementedStoreProxyServer()
+}
+
+// UnimplementedStoreProxyServer must be embedded to have forward compatible implementations.
+type UnimplementedStoreProxyServer struct {
+}
+
+func (UnimplementedStoreProxyServer) Health(context.Context, *HealthRequest) (*HealthReply, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Health not implemented")
+}
+func (UnimplementedStoreProxyServer) Exists(context.Context, *ExistsRequest) (*ExistsReply, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Exists not implemented")
+}
+func (UnimplementedStoreProxyServer) PutFile(context.Context, *PutFileRequest) (*PutFileReply, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method PutFile not implemented")
+}
+func (UnimplementedStoreProxyServer) GetFile(context.Context, *GetFileRequest) (*GetFileReply, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetFile not implemented")
+}
+func (UnimplementedStoreProxyServer) PutBytes(context.Context, *PutBytesRequest) (*PutBytesReply, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method PutBytes not implemented")
+}
+func (UnimplementedStoreProxyServer) GetBytes(context.Context, *GetBytesRequest) (*GetBytesReply, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetBytes not implemented")
+}
+func (UnimplementedStoreProxyServer) Remove(context.Context, *RemoveRequest) (*RemoveReply, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Remove not implemented")
+}
+func (UnimplementedStoreProxyServer) Stats(context.Context, *StatsRequest) (*StatsReply, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Stats not implemented")
+}
+func (UnimplementedStoreProxyServer) mustEmbedUnimplementedStoreProxyServer() {}
+
+// UnsafeStoreProxyServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to StoreProxyServer will
+// result in compilation errors.
+type UnsafeStoreProxyServer interface {
+	mustEmbedUnimplementedStoreProxyServer()
+}
+
+func RegisterStoreProxyServer(s grpc.ServiceRegistrar, srv StoreProxyServer) {
+	s.RegisterService(&StoreProxy_ServiceDesc, srv)
+}
+
+func _StoreProxy_Health_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(HealthRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(StoreProxyServer).Health(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: StoreProxy_Health_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(StoreProxyServer).Health(ctx, req.(*HealthRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _StoreProxy_Exists_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ExistsRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(StoreProxyServer).Exists(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: StoreProxy_Exists_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(StoreProxyServer).Exists(ctx, req.(*ExistsRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _StoreProxy_PutFile_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(PutFileRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(StoreProxyServer).PutFile(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: StoreProxy_PutFile_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(StoreProxyServer).PutFile(ctx, req.(*PutFileRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _StoreProxy_GetFile_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetFileRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(StoreProxyServer).GetFile(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: StoreProxy_GetFile_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(StoreProxyServer).GetFile(ctx, req.(*GetFileRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _StoreProxy_PutBytes_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(PutBytesRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(StoreProxyServer).PutBytes(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: StoreProxy_PutBytes_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(StoreProxyServer).PutBytes(ctx, req.(*PutBytesRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _StoreProxy_GetBytes_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetBytesRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(StoreProxyServer).GetBytes(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: StoreProxy_GetBytes_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(StoreProxyServer).GetBytes(ctx, req.(*GetBytesRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _StoreProxy_Remove_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(RemoveRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(StoreProxyServer).Remove(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: StoreProxy_Remove_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(StoreProxyServer).Remove(ctx, req.(*RemoveRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _StoreProxy_Stats_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(StatsRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(StoreProxyServer).Stats(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: StoreProxy_Stats_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(StoreProxyServer).Stats(ctx, req.(*StatsRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// StoreProxy_ServiceDesc is the grpc.ServiceDesc for StoreProxy service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var StoreProxy_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "storeproxy.v1.StoreProxy",
+	HandlerType: (*StoreProxyServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "Health",
+			Handler:    _StoreProxy_Health_Handler,
+		},
+		{
+			MethodName: "Exists",
+			Handler:    _StoreProxy_Exists_Handler,
+		},
+		{
+			MethodName: "PutFile",
+			Handler:    _StoreProxy_PutFile_Handler,
+		},
+		{
+			MethodName: "GetFile",
+			Handler:    _StoreProxy_GetFile_Handler,
+		},
+		{
+			MethodName: "PutBytes",
+			Handler:    _StoreProxy_PutBytes_Handler,
+		},
+		{
+			MethodName: "GetBytes",
+			Handler:    _StoreProxy_GetBytes_Handler,
+		},
+		{
+			MethodName: "Remove",
+			Handler:    _StoreProxy_Remove_Handler,
+		},
+		{
+			MethodName: "Stats",
+			Handler:    _StoreProxy_Stats_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "storeproxy.proto",
+}
diff --git a/mooncake-integration/ollama/deploy/docker-compose.yml b/mooncake-integration/ollama/deploy/docker-compose.yml
new file mode 100644
index 00000000..b68ea0e9
--- /dev/null
+++ b/mooncake-integration/ollama/deploy/docker-compose.yml
@@ -0,0 +1,68 @@
+# Ollama × Mooncake KVCache Bus — containerised deployment.
+#
+# NOTE: the tested, reproducible path on this machine is the native scripts
+# (scripts/stack_up.sh). This compose file packages the same topology for
+# portability. RDMA + GPUDirect require host devices to be passed through (see
+# the `devices`/`ipc` settings), so it is meant for a node with Mellanox NICs and
+# NVIDIA GPUs and the NVIDIA Container Toolkit installed. The `build:` services
+# expect a Dockerfile in each context; add one (or replace `build:` with a
+# pre-built `image:`) before `docker compose up`. Ports match scripts/env.sh.
+version: "3.9"
+
+x-mooncake-env: &mc-env
+  MOONCAKE_MASTER: "127.0.0.1:52061"
+  MOONCAKE_PROTOCOL: "rdma"
+  MOONCAKE_DEVICE: "mlx5_0"
+  MOONCAKE_TE_META_DATA_SERVER: "P2PHANDSHAKE"
+
+services:
+  mooncake-master:
+    image: kvcache/mooncake:latest          # or build from kvcache-ai/Mooncake
+    command: ["mooncake_master", "-port", "52061", "-metrics_port", "52063",
+              "-enable_metric_reporting=true", "-default_kv_lease_ttl=2000"]
+    network_mode: host
+
+  store-proxy:
+    build: { context: ../mooncake-store-proxy }
+    command: ["python", "store_proxy.py", "--listen", "127.0.0.1:52060",
+              "--backend", "mooncake", "--protocol", "rdma", "--device", "mlx5_0",
+              "--master", "127.0.0.1:52061", "--metadata", "P2PHANDSHAKE",
+              "--global-segment-size", "34359738368", "--staging-mb", "4096",
+              "--staging-count", "3", "--warmup"]
+    environment: *mc-env
+    network_mode: host
+    ipc: host                                # shared /dev/shm for slot files
+    devices: ["/dev/infiniband:/dev/infiniband"]
+    cap_add: ["IPC_LOCK"]                     # RDMA memory pinning
+    depends_on: [mooncake-master]
+
+  bridged:                                    # the Go sidecar (ollama-mooncake-bridge)
+    build: { context: ../ollama-mooncake-bridge }
+    command: ["/bridged", "-grpc-addr", "127.0.0.1:52051", "-http-addr", "127.0.0.1:52052",
+              "-store-backend", "mooncake", "-store-proxy-addr", "127.0.0.1:52060",
+              "-slot-save-path", "/dev/shm/omb-slots/"]
+    network_mode: host
+    ipc: host
+    depends_on: [store-proxy]
+
+  # ollama-with-patches: build from a fork with ollama-patches/ applied.
+  ollama:
+    image: ollama-mooncake:latest             # ollama built with ollama-patches/*
+    environment:
+      OLLAMA_MOONCAKE_BRIDGE_URL: "http://127.0.0.1:52052"
+      OLLAMA_MOONCAKE_SLOT_SAVE_PATH: "/dev/shm/omb-slots"
+    network_mode: host
+    ipc: host
+    runtime: nvidia
+    depends_on: [bridged]
+
+  prometheus:
+    image: prom/prometheus:latest
+    command: ["--config.file=/etc/prometheus/prometheus.yml"]
+    volumes: ["./prometheus.yml:/etc/prometheus/prometheus.yml:ro"]
+    network_mode: host
+
+  grafana:
+    image: grafana/grafana:latest
+    network_mode: host
+    depends_on: [prometheus]
diff --git a/mooncake-integration/ollama/deploy/grafana_dashboard.json b/mooncake-integration/ollama/deploy/grafana_dashboard.json
new file mode 100644
index 00000000..fd3d10f4
--- /dev/null
+++ b/mooncake-integration/ollama/deploy/grafana_dashboard.json
@@ -0,0 +1,77 @@
+{
+  "title": "Ollama × Mooncake — Local Agent Swarm KVCache Bus",
+  "uid": "omb-kvcache",
+  "schemaVersion": 39,
+  "time": { "from": "now-15m", "to": "now" },
+  "refresh": "2s",
+  "panels": [
+    {
+      "type": "stat", "title": "Prefill tokens saved (cumulative)", "gridPos": {"h":7,"w":6,"x":0,"y":0},
+      "options": {"colorMode": "background", "graphMode": "area", "textMode": "value"},
+      "fieldConfig": {"defaults": {"unit": "short", "color": {"mode": "fixed", "fixedColor": "green"}}},
+      "targets": [{"expr": "mooncake_bridge_saved_prefill_tokens_total", "legendFormat": "saved tokens"}]
+    },
+    {
+      "type": "stat", "title": "KV restored from store", "gridPos": {"h":7,"w":6,"x":6,"y":0},
+      "options": {"colorMode": "background", "textMode": "value"},
+      "fieldConfig": {"defaults": {"unit": "bytes", "color": {"mode": "fixed", "fixedColor": "blue"}}},
+      "targets": [{"expr": "mooncake_bridge_bytes_get_total", "legendFormat": "bytes restored"}]
+    },
+    {
+      "type": "stat", "title": "Cache hit ratio", "gridPos": {"h":7,"w":6,"x":12,"y":0},
+      "options": {"colorMode": "background"},
+      "fieldConfig": {"defaults": {"unit": "percentunit", "color": {"mode": "fixed", "fixedColor": "purple"}}},
+      "targets": [{"expr": "mooncake_bridge_hits_total / clamp_min(mooncake_bridge_hits_total + mooncake_bridge_misses_total + mooncake_bridge_recompute_chosen_total, 1)", "legendFormat": "hit ratio"}]
+    },
+    {
+      "type": "stat", "title": "Restores performed", "gridPos": {"h":7,"w":6,"x":18,"y":0},
+      "options": {"colorMode": "background", "textMode": "value"},
+      "fieldConfig": {"defaults": {"unit": "short", "color": {"mode": "fixed", "fixedColor": "green"}}},
+      "targets": [{"expr": "mooncake_bridge_restore_total", "legendFormat": "restores"}]
+    },
+    {
+      "type": "stat", "title": "Arbiter: learned restore BW / prefill rate", "gridPos": {"h":7,"w":24,"x":0,"y":7},
+      "targets": [
+        {"expr": "mooncake_bridge_learned_get_gbps", "legendFormat": "restore GB/s"},
+        {"expr": "mooncake_bridge_learned_prefill_tps", "legendFormat": "prefill tok/s"}
+      ]
+    },
+    {
+      "type": "timeseries", "title": "Saved prefill tokens / sec", "gridPos": {"h":8,"w":12,"x":0,"y":14},
+      "targets": [{"expr": "rate(mooncake_bridge_saved_prefill_tokens_total[1m])", "legendFormat": "tokens/s saved"}]
+    },
+    {
+      "type": "timeseries", "title": "Decisions/sec (hit vs miss vs recompute-chosen)", "gridPos": {"h":8,"w":12,"x":12,"y":14},
+      "targets": [
+        {"expr": "rate(mooncake_bridge_hits_total[1m])", "legendFormat": "restore (hit)"},
+        {"expr": "rate(mooncake_bridge_misses_total[1m])", "legendFormat": "miss"},
+        {"expr": "rate(mooncake_bridge_recompute_chosen_total[1m])", "legendFormat": "recompute (arbiter)"}
+      ]
+    },
+    {
+      "type": "timeseries", "title": "Store traffic (bytes/s)", "gridPos": {"h":8,"w":12,"x":0,"y":22},
+      "fieldConfig": {"defaults": {"unit": "Bps"}},
+      "targets": [
+        {"expr": "rate(mooncake_bridge_bytes_get_total[1m])", "legendFormat": "get"},
+        {"expr": "rate(mooncake_bridge_bytes_put_total[1m])", "legendFormat": "put"}
+      ]
+    },
+    {
+      "type": "timeseries", "title": "Restore latency p50/p90 (ms)", "gridPos": {"h":8,"w":12,"x":12,"y":22},
+      "fieldConfig": {"defaults": {"unit": "ms"}},
+      "targets": [
+        {"expr": "histogram_quantile(0.5, rate(mooncake_bridge_restore_latency_ms_bucket[1m]))", "legendFormat": "p50"},
+        {"expr": "histogram_quantile(0.9, rate(mooncake_bridge_restore_latency_ms_bucket[1m]))", "legendFormat": "p90"}
+      ]
+    },
+    {
+      "type": "stat", "title": "KV prefix snapshots in radix index", "gridPos": {"h":6,"w":12,"x":0,"y":30},
+      "targets": [{"expr": "mooncake_bridge_index_snapshots", "legendFormat": "snapshots"}]
+    },
+    {
+      "type": "stat", "title": "Index bytes", "gridPos": {"h":6,"w":12,"x":12,"y":30},
+      "fieldConfig": {"defaults": {"unit": "bytes"}},
+      "targets": [{"expr": "mooncake_bridge_index_bytes", "legendFormat": "bytes"}]
+    }
+  ]
+}
diff --git a/mooncake-integration/ollama/deploy/mooncake_store.yaml b/mooncake-integration/ollama/deploy/mooncake_store.yaml
new file mode 100644
index 00000000..a6489080
--- /dev/null
+++ b/mooncake-integration/ollama/deploy/mooncake_store.yaml
@@ -0,0 +1,24 @@
+# Mooncake Store configuration consumed by the store proxy / clients.
+# (See mooncake.mooncake_config.MooncakeConfig — loaded via MOONCAKE_CONFIG_PATH.)
+#
+# This documents the knobs we tuned for the local-agent-swarm scenario.
+
+local_hostname: "127.0.0.1"
+metadata_server: "P2PHANDSHAKE"        # peer-to-peer TE handshake; no etcd/http server needed
+master_server_address: "127.0.0.1:52061"
+
+protocol: "rdma"                        # tcp | rdma  (rdma => GPUDirect-capable)
+device_name: "mlx5_0"                  # or "auto-discovery"
+
+# Pool capacity this client contributes to the global KV store (host DRAM).
+global_segment_size: 34359738368       # 32 GiB
+local_buffer_size:   8589934592        # 8 GiB
+
+# Proxy-side tuning (store_proxy.py):
+#   stripe_mb: 64        # split KV blobs into <=64 MiB chunks for parallel batch transfer
+#   staging_mb: 4096     # size of each pre-registered (pinned) RDMA staging buffer
+#   staging_count: 3     # number of staging buffers == concurrency of zero-copy transfers
+#
+# Replication (ReplicateConfig, per Put):
+#   replica_num: 1       # raise for hot shared prefixes (read fan-out)
+#   with_soft_pin: true  # keep hot prefixes resident under memory pressure
diff --git a/mooncake-integration/ollama/deploy/prometheus.yml b/mooncake-integration/ollama/deploy/prometheus.yml
new file mode 100644
index 00000000..f2c549f3
--- /dev/null
+++ b/mooncake-integration/ollama/deploy/prometheus.yml
@@ -0,0 +1,17 @@
+# Prometheus scrape config for the Ollama x Mooncake KVCache Bus.
+# Run:  prometheus --config.file=deploy/prometheus.yml --storage.tsdb.path=run/prometheus
+global:
+  scrape_interval: 2s
+  evaluation_interval: 5s
+
+scrape_configs:
+  - job_name: ollama-mooncake-bridge
+    metrics_path: /metrics
+    static_configs:
+      - targets: ["127.0.0.1:52052"]   # sidecar HTTP gateway (OMB_BRIDGE_HTTP_PORT)
+        labels: { component: sidecar }
+
+  - job_name: mooncake-master
+    static_configs:
+      - targets: ["127.0.0.1:52063"]   # mooncake_master -metrics_port (OMB_MASTER_PORT+2)
+        labels: { component: master }
diff --git a/mooncake-integration/ollama/docs/REPORT.md b/mooncake-integration/ollama/docs/REPORT.md
new file mode 100644
index 00000000..5cca7863
--- /dev/null
+++ b/mooncake-integration/ollama/docs/REPORT.md
@@ -0,0 +1,262 @@
+# Local agent swarm with a global KV cache: bringing Mooncake to Ollama
+
+> Integrating a new inference framework (Ollama) into the Mooncake PD / KVCache
+> ecosystem.
+>
+> **One sentence:** multiple coding agents on Ollama / llama.cpp now share one
+> long-prefix KV cache through the Mooncake Store — the first agent prefills a
+> long repo context once, writes its KV to Mooncake, and every other agent (in a
+> different process, on a different GPU, or on a different node) restores it
+> instead of re-prefilling.
+
+Everything described here was built and measured on real hardware: **8× NVIDIA
+H200**, **Mellanox RDMA NICs (mlx5)**, the real **`mooncake-transfer-engine`**
+distributed store over RDMA, a CUDA build of **llama.cpp**, and
+**Qwen2.5-Coder 1.5B / 7B** GGUF models.
+
+---
+
+## 1. The gap we fill
+
+Ollama is the de-facto entry point for local models, multi-agent tooling and
+coding assistants — yet it has **zero KV-cache sharing**. A `grep` of the Ollama
+tree for `slot-save-path` / `cache-reuse` / `state_seq` is empty: prefix reuse is
+limited to a single process's RAM and dies with the request. The community asked
+for exactly this in *Ollama #14872 "Swarm Memory — zero-copy KV sharing across
+models"* (closed, i.e. not built upstream).
+
+Mooncake already pools and shares KV for vLLM / SGLang / TRT-LLM in the data
+centre. We extend it **down to the workstation/edge multi-agent scenario** and
+**out to Ollama**, with a sidecar design that needs almost no changes to Ollama
+itself.
+
+## 2. Architecture
+
+![Architecture](figures/architecture.png)
+
+```
+ agents / patched Ollama  ──HTTP/gRPC──►  ollama-mooncake-bridge (Go sidecar)
+                                              │  cache-key + radix index
+                                              │  restore-vs-recompute arbiter
+                                              │  3-stage orchestration
+                              ┌───────────────┴───────────────┐
+                      /slots HTTP (Stage 1)            gRPC (file paths)
+                       or cgo _ext (Stage 2)                  │
+                              ▼                                ▼
+                        llama.cpp server            mooncake-store-proxy (Python)
+                       (KV in GPU, per slot)        owns 1 warm MooncakeDistributedStore
+                                                    striped batch_put_from/get_into,
+                                                    pre-registered RDMA staging pool
+                                                              │
+                                                     Mooncake Store + Transfer Engine
+                                                     (DRAM pool, RDMA / GPUDirect, replicas)
+```
+
+Three processes, each independently deployable:
+
+* **`ollama-mooncake-bridge`** (Go) — the brain. Pure Go, no heavy deps. Serves a
+  gRPC `KVCacheBus` (Lookup/Prepare/Commit) **and** an HTTP/JSON gateway with a
+  Prometheus `/metrics` endpoint.
+* **`mooncake-store-proxy`** (Python) — owns the single warm
+  `mooncake.store.MooncakeDistributedStore` handle (the official client) and
+  exposes it over gRPC. KV blobs are passed as **file paths**, so a multi-GiB
+  blob is copied at most once and never streams through Go.
+* **llama.cpp server** — unmodified for Stage 1; driven via its `/slots`
+  save/restore endpoints.
+
+## 3. Technical contributions
+
+1. **Safe, content-addressed cache keys with chained block hashing.** Every
+   attribute that changes KV *bytes* — model digest (from a real GGUF metadata
+   parser written in Go), tokenizer hash, RoPE hash, KV dtype, KV layout, ctx
+   length, block size — is folded into the key. Within a key space, prompt
+   tokens are hashed per fixed-size block with a **forward chain**
+   `h_i = H(h_{i-1} ‖ block_i)`, so two prompts agree on `h_i` iff they share
+   every token of blocks `0..i`. We would rather miss than mis-hit — a wrong
+   reuse silently poisons generation.
+
+2. **A radix tree of KV prefixes shared across processes/GPUs/nodes.** The
+   cross-process analogue of SGLang's RadixAttention, but the nodes reference KV
+   snapshots in the Mooncake Store rather than GPU memory. It gives O(blocks)
+   longest-prefix matching, per-prefix hotness (fan-out → replication hints) and
+   LRU eviction. Authoritative existence is still a single batched store
+   `batch_is_exist` over all block boundaries (multi-node correct).
+
+3. **A restore-vs-recompute cost arbiter.** A KV cache only helps if the store
+   delivers KV bytes *faster than the GPU regenerates them*. The break-even
+   bandwidth is `B* = (KV bytes/token) × (prefill tokens/s)`. The arbiter learns,
+   **per model**, the effective end-to-end restore bandwidth and the prefill rate
+   online (EWMA, seed-on-first-observation) and only restores when it is
+   genuinely cheaper. This makes the system **adaptive and loss-free**: it wins
+   where reuse helps and falls back to recompute where it does not — see §5.3.
+
+4. **Striped, pre-registered zero-copy RDMA transfer.** Single-object RDMA
+   collapses for very large objects (≈2 GB) in the store; we split KV into
+   ≤64 MiB chunks and move them with `batch_put_from`/`batch_get_into` over a
+   **pool of pre-registered (pinned) staging buffers**, sustaining full bandwidth
+   and avoiding per-op RDMA registration. Slot files live on `/dev/shm` (tmpfs)
+   so the host side never touches disk.
+
+5. **Stage-2 on-device path.** A cgo binding (`llama_state_seq_get/set_data_ext`
+   with `LLAMA_STATE_SEQ_FLAGS_ON_DEVICE`) keeps KV in device buffers for
+   GPUDirect RDMA, eliminating the host double-copy of llama.cpp issue #8915.
+
+## 4. What is real vs. designed
+
+| Component | Status |
+|-----------|--------|
+| Mooncake Store + Transfer Engine (RDMA) | **real** — `mooncake_master`, P2P handshake, mlx5 RDMA |
+| llama.cpp servers on H200 | **real** — CUDA build, `/slots` save/restore, q8_0 KV |
+| GGUF metadata parser, chained hashing, radix index, arbiter | **real** Go, unit-tested |
+| Cross-process / cross-GPU KV reuse end-to-end | **real**, measured |
+| Stage-2 `_ext`/`ON_DEVICE` export & round-trip | **real** (microbench, libllama) |
+| Mooncake-TE GPUDirect of the on-device handle | **designed** (needs Mooncake C++ headers, not in the wheel) |
+| Ollama patches | **real diffs**, additive + env-gated |
+
+## 5. Results
+
+### 5.1 Store transport (microbench, RDMA mlx5_0)
+
+Striped vs single-object, same total size, over one mlx5 NIC:
+
+| object size | single put / get | striped (64 MiB) put / get |
+|---|---|---|
+| 16 MiB  | 26.5 / 5.0 GB/s  | 22.8 / 28.7 GB/s |
+| 128 MiB | 34.3 / 38.7 GB/s | **43.4 / 44.6 GB/s** |
+| 1 GiB   | 34.1 / 16.7 GB/s | 41.7 / 14.5 GB/s |
+| 2 GiB   | 17.5 / 12.3 GB/s | 20.6 / 10.5 GB/s |
+
+Striping sustains peak bandwidth where a single large object degrades, and
+avoids per-op RDMA registration via the pre-registered staging pool. TCP loopback
+peaks far lower and is *below* break-even, which is exactly where the arbiter
+declines restore.
+
+### 5.2 Multi-agent swarm
+
+7B model, q8_0 KV, agents sharing one long repo context, real Mooncake RDMA,
+**cross-process and cross-GPU** (round-robin over 2 H200s). Baseline = each agent
+prefills cold (llama's own per-slot cache erased between runs for a fair
+comparison). Honest TTFT = prepare(lookup + store-fetch + GPU-load) + prefill.
+
+A single reuser, uncontended (the `smoke_e2e` two-agent cross-GPU test):
+
+| stage | agent A (cold) | agent B (restore) |
+|---|---|---|
+| prepare (store fetch + GPU load) | 0.1 s | 1.82 s |
+| prefill | 5.88 s (30 045 tok) | 0.01 s (1 tok) |
+| **honest TTFT** | **5.99 s** | **1.83 s  (−69 %)** |
+
+The swarm, mean over all agents (benchmark matrix, concurrency 2):
+
+| workload | mean TTFT (no share → Mooncake) | redundant prefill eliminated | swarm throughput |
+|---|---|---|---|
+| 7B, 30 k ctx, 6 agents | 5868 → 3898 ms (**−34 %**) | 100 % → 17 % of tokens (agent-0 only) | 1.01× |
+| 7B, 16 k ctx, 8 agents | 3184 → 2120 ms (**−33 %**) | 100 % → 13 % | **1.25×** |
+| 1.5B, 8 k ctx, 5 agents | 883 → 918 ms (≈ par) | (arbiter near break-even) | 1.00× |
+
+The per-reuser win is large (−69 %); the swarm *mean* is lower because the single
+store client and single NIC serialize concurrent restores, so at high concurrency
+the restore path contends with itself. The mechanism-invariant result — **only the
+pioneer prefills, every other agent reuses (83 % of all prefill work eliminated)**
+— holds in every run regardless of fabric contention. Scaling the store across
+multiple clients / NICs (a deployment concern, not an algorithmic one) lifts the
+swarm mean toward the single-reuser number; the Stage-2 on-device path (§5.4)
+removes the file/​GPU-load term entirely.
+
+![Only the pioneer prefills](figures/per_agent.png)
+
+Per agent, the picture is stark: agent 0 prefills the full 28.9 k-token context;
+every later agent re-prefills only its short unique tail (9–13 tokens) and
+restores the rest.
+
+### 5.2.1 Scaling with swarm size
+
+The value compounds as more agents share the context. Without sharing, every
+agent re-prefills the whole prompt, so total prefill work grows linearly; with
+Mooncake the context is prefilled once and the work stays flat. Measured on the
+7B / 30 k stack, fresh namespace per point so each is a clean cold start:
+
+| agents | prefill tokens (no share) | prefill tokens (Mooncake) | swarm throughput |
+|---|---|---|---|
+| 1 | 28 942 | 28 942 | 0.36× (pays the store write, nothing to reuse yet) |
+| 2 | 57 884 | 28 953 | 0.93× |
+| 4 | 115 768 | 28 975 | 1.00× |
+| 6 | 173 653 | 28 998 | 1.36× |
+| 8 | 231 535 | **29 018** | **1.51×** |
+
+![Redundant prefill work vs swarm size](figures/scaling_agents.png)
+
+A single agent is *slower* with sharing on (it pays to write KV it never reuses),
+and the arbiter is what keeps that from being a sustained loss across a real
+workload (§5.3). From ~4 agents on, sharing wins and the margin widens
+monotonically — the more agents read the same context, the bigger the win.
+
+### 5.3 The adaptive arbiter (loss-free)
+
+On the tiny **1.5B** model the H200 prefills 7680 tokens in ~330 ms, so a
+file-based restore (~700 ms) is *not* worth it. Running 6 agents sequentially so
+the online learner can act, the arbiter's decisions were:
+
+```
+agent0: miss      (cold prefill + store)                         ttft 294 ms
+agent1: recompute (restore 697 ms > prefill 585 ms)              ttft 304 ms
+agent2: recompute (restore-path too slow to beat prefill)        ttft 290 ms
+agent3: recompute                                                ttft 291 ms
+agent4: recompute                                                ttft 294 ms
+agent5: recompute                                                ttft 311 ms
+```
+
+![Loss-free arbiter](figures/arbiter.png)
+
+After **one** observation the arbiter measured that restoring (~697 ms) does not
+beat prefilling (~330–585 ms) for this model and **fell back to recompute** —
+preventing any sustained loss. Without the arbiter, a naive "always restore on
+hit" policy regresses TTFT (≈357 → 625 ms on the same model). On the 7B model the
+same logic keeps choosing restore. This is what makes KV sharing safe to enable
+unconditionally.
+
+### 5.4 Stage-2 KV-state export (libllama microbench)
+
+![Stage-1 vs Stage-2 KV export](figures/stage2_path.png)
+
+| model / ctx | KV size | (A) `/slots` file save | (B) in-proc `get_data_ext` | (A)/(B) | round-trip |
+|---|---|---|---|---|---|
+| 7B / 16 k | 875 MiB | 417 ms (2.2 GB/s) | 91 ms (10.1 GB/s) | **4.6×** | PASS |
+| 1.5B / 8 k | 219 MiB | 105 ms (2.2 GB/s) | 19 ms (11.9 GB/s) | **5.5×** | PASS |
+
+The Stage-1 file path is 4–5× slower than the raw in-process state copy (the
+serialization + I/O tax of issue #8915). `ON_DEVICE` reports a tiny 0.1–0.2 MiB
+host handle — the bulk KV stays on the GPU, ready for Mooncake-TE GPUDirect RDMA
+with zero host copy. KV round-trips were verified functionally (seq0 vs seq1
+next-token argmax match).
+
+## 6. Limitations & honest framing
+
+* On a very fast GPU + tiny model the file-based Stage-1 path does **not** reduce
+  TTFT — the arbiter detects this and declines (no loss). The real TTFT wins come
+  from (a) larger models / longer contexts, (b) q8_0 KV (halved blob), and (c)
+  Stage-2 on-device transfer.
+* The store-fetch path in Stage 1 is bounded by llama.cpp's file restore
+  (`/slots`), which materializes KV from a file rather than GPUDirect; the
+  effective end-to-end restore bandwidth is therefore well below the raw RDMA
+  bandwidth of §5.1. Stage 2 targets exactly this gap.
+* Under a synchronized burst, all first-batch agents decide before any
+  observation lands; the arbiter adapts across a sustained workload, not within
+  the very first concurrent wave.
+* Heterogeneous cross-*model* KV sharing is intentionally out of scope (different
+  models ⇒ different key space ⇒ never shared). Same-model multi-agent is the
+  target and is fully working.
+
+## 7. Reproduce
+
+```bash
+bash scripts/setup_go.sh && bash scripts/setup_py.sh        # local Go + venv + mooncake
+bash scripts/setup_llama.sh && bash scripts/setup_models.sh --with-7b
+bash scripts/demo.sh 7b 6        # bring up the stack + run the swarm demo
+bash ollama-mooncake-bridge/cbridge/build_kvbench.sh        # Stage-2 microbench
+bash scripts/stack_down.sh       # tear down (workspace-scoped)
+```
+
+Deliverables: `ollama-mooncake-bridge/` (sidecar + cgo), `mooncake-store-proxy/`,
+`ollama-patches/`, `bench/`, `deploy/` (compose + Prometheus + Grafana), this
+report and `figures/`.
diff --git a/mooncake-integration/ollama/docs/demo_result.json b/mooncake-integration/ollama/docs/demo_result.json
new file mode 100644
index 00000000..85e40646
--- /dev/null
+++ b/mooncake-integration/ollama/docs/demo_result.json
@@ -0,0 +1,138 @@
+{
+  "config": {
+    "bridge": "http://127.0.0.1:52052",
+    "llamas": "http://127.0.0.1:52072,http://127.0.0.1:52073",
+    "model_path": "/data2/wangzhe/gitlink/mooncake1/.omb-state/models/qwen2.5-coder-7b-instruct-q4_k_m.gguf",
+    "agents": 6,
+    "ctx_tokens": 30000,
+    "share_mode": "shared_prefix",
+    "n_predict": 8,
+    "block_size": 256,
+    "kv_type": "q8_0",
+    "namespace": "canon2",
+    "concurrency": 2,
+    "slots_per_server": 4,
+    "replica_num": 1,
+    "out": "/data2/wangzhe/gitlink/mooncake1/.omb-state/run/demo_result.json"
+  },
+  "baseline": {
+    "label": "cache_off",
+    "agents": 6,
+    "wall_s": 23.111,
+    "ttft_ms_mean": 5684.5,
+    "ttft_ms_median": 5685.4,
+    "ttft_ms_p90": 5687.4,
+    "prompt_tokens_recomputed": 173653,
+    "prompt_tokens_total": 173653,
+    "recompute_ratio": 1.0,
+    "hit_agents": 0,
+    "throughput_agents_per_s": 0.26
+  },
+  "cached": {
+    "label": "cache_on",
+    "agents": 6,
+    "wall_s": 20.186,
+    "ttft_ms_mean": 3966.9,
+    "ttft_ms_median": 3653.9,
+    "ttft_ms_p90": 3934.2,
+    "prompt_tokens_recomputed": 28998,
+    "prompt_tokens_total": 173653,
+    "recompute_ratio": 0.167,
+    "hit_agents": 5,
+    "throughput_agents_per_s": 0.297
+  },
+  "ttft_reduction_pct": 30.2,
+  "throughput_speedup_x": 1.14,
+  "per_agent_cached": [
+    {
+      "idx": 0,
+      "llama": "http://127.0.0.1:52072",
+      "tokens": 28942,
+      "hit": false,
+      "decision": "miss",
+      "restored": false,
+      "store_get_ms": 0,
+      "bytes": 0,
+      "prepare_ms": 68.9809100003913,
+      "prompt_n": 28942,
+      "prompt_ms": 5587.763,
+      "comp_wall_ms": 5798.791166977026,
+      "ttft_ms": 5656.743910000391
+    },
+    {
+      "idx": 1,
+      "llama": "http://127.0.0.1:52073",
+      "tokens": 28942,
+      "hit": true,
+      "decision": "restore",
+      "restored": true,
+      "store_get_ms": 1988.8248469796963,
+      "bytes": 882366232,
+      "prepare_ms": 3607.2255889885128,
+      "prompt_n": 11,
+      "prompt_ms": 16.065,
+      "comp_wall_ms": 382.30138598009944,
+      "ttft_ms": 3623.290588988513
+    },
+    {
+      "idx": 2,
+      "llama": "http://127.0.0.1:52072",
+      "tokens": 28944,
+      "hit": true,
+      "decision": "restore",
+      "restored": true,
+      "store_get_ms": 1912.454207020346,
+      "bytes": 882366232,
+      "prepare_ms": 3500.9051900124177,
+      "prompt_n": 13,
+      "prompt_ms": 16.111,
+      "comp_wall_ms": 306.38355697738007,
+      "ttft_ms": 3517.0161900124176
+    },
+    {
+      "idx": 3,
+      "llama": "http://127.0.0.1:52073",
+      "tokens": 28940,
+      "hit": true,
+      "decision": "restore",
+      "restored": true,
+      "store_get_ms": 1712.3380179982632,
+      "bytes": 882366232,
+      "prepare_ms": 3297.939590003807,
+      "prompt_n": 9,
+      "prompt_ms": 87.499,
+      "comp_wall_ms": 220.71896900888532,
+      "ttft_ms": 3385.438590003807
+    },
+    {
+      "idx": 4,
+      "llama": "http://127.0.0.1:52072",
+      "tokens": 28942,
+      "hit": true,
+      "decision": "restore",
+      "restored": true,
+      "store_get_ms": 1611.3499579951167,
+      "bytes": 882366232,
+      "prepare_ms": 3589.8023130139336,
+      "prompt_n": 11,
+      "prompt_ms": 94.8,
+      "comp_wall_ms": 3008.9015809935518,
+      "ttft_ms": 3684.602313013934
+    },
+    {
+      "idx": 5,
+      "llama": "http://127.0.0.1:52073",
+      "tokens": 28943,
+      "hit": true,
+      "decision": "restore",
+      "restored": true,
+      "store_get_ms": 2498.859048995655,
+      "bytes": 882366232,
+      "prepare_ms": 3919.863100978546,
+      "prompt_n": 12,
+      "prompt_ms": 14.367,
+      "comp_wall_ms": 287.0978229911998,
+      "ttft_ms": 3934.230100978546
+    }
+  ]
+}
\ No newline at end of file
diff --git a/mooncake-integration/ollama/docs/figures/arbiter.png b/mooncake-integration/ollama/docs/figures/arbiter.png
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diff --git a/mooncake-integration/ollama/docs/figures/architecture.dot b/mooncake-integration/ollama/docs/figures/architecture.dot
new file mode 100644
index 00000000..c43bf82d
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+++ b/mooncake-integration/ollama/docs/figures/architecture.dot
@@ -0,0 +1,36 @@
+// Architecture of the Ollama x Mooncake KV-cache bus.
+// Render: dot -Tpng architecture.dot -o ../docs/figures/architecture.png
+digraph mooncake_ollama {
+  rankdir=LR;
+  bgcolor="white";
+  node [fontname="Helvetica", fontsize=11, shape=box, style="rounded,filled", color="#333333"];
+  edge [fontname="Helvetica", fontsize=9, color="#555555"];
+  graph [fontname="Helvetica", labelloc=t, fontsize=14,
+         label="Ollama x Mooncake: global KV-cache reuse for local agent swarms"];
+
+  agents [label="Agent swarm\n(coding agents / patched Ollama)", fillcolor="#eef3fb"];
+
+  subgraph cluster_bridge {
+    label="ollama-mooncake-bridge (Go sidecar)";
+    style="rounded,filled"; fillcolor="#f4f0fb"; color="#7a5fb8"; fontcolor="#4b3b78";
+    key      [label="cache key\n(GGUF + chained block hash)", fillcolor="#ffffff"];
+    radix    [label="radix index\n(cross-process KV prefixes)", fillcolor="#ffffff"];
+    arbiter  [label="cost arbiter\n(restore vs recompute)", fillcolor="#ffffff"];
+    orch     [label="orchestrator\nLookup / Prepare / Commit", fillcolor="#ffffff"];
+  }
+
+  llama [label="llama.cpp server\n(KV in GPU, per slot)\nStage 1: /slots save|restore\nStage 2: cgo _ext ON_DEVICE", fillcolor="#eafaf0"];
+
+  proxy [label="mooncake-store-proxy (Python)\n1 warm MooncakeDistributedStore\nstriped batch_put_from / get_into\npre-registered RDMA staging", fillcolor="#fdf3e8"];
+
+  store [label="Mooncake Store + Transfer Engine\nDRAM pool, replicas\nRDMA / GPUDirect", fillcolor="#fbeef0"];
+
+  agents -> orch [label="HTTP / gRPC"];
+  orch -> key [style=dashed, arrowhead=none];
+  orch -> radix [style=dashed, arrowhead=none];
+  orch -> arbiter [style=dashed, arrowhead=none];
+  orch -> llama [label="restore / save KV slot"];
+  orch -> proxy [label="gRPC (file paths)"];
+  proxy -> store [label="put / get KV blobs", color="#b0413e", penwidth=2];
+  llama -> store [label="GPUDirect RDMA (Stage 2)", style=dashed, color="#1a7d32"];
+}
diff --git a/mooncake-integration/ollama/docs/figures/architecture.png b/mooncake-integration/ollama/docs/figures/architecture.png
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diff --git a/mooncake-integration/ollama/docs/figures/scaling_agents.png b/mooncake-integration/ollama/docs/figures/scaling_agents.png
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diff --git a/mooncake-integration/ollama/docs/figures/stage2_path.dot b/mooncake-integration/ollama/docs/figures/stage2_path.dot
new file mode 100644
index 00000000..e4886fda
--- /dev/null
+++ b/mooncake-integration/ollama/docs/figures/stage2_path.dot
@@ -0,0 +1,28 @@
+// Stage-1 (file) vs Stage-2 (on-device) KV export paths.
+// Render: dot -Tpng stage2_path.dot -o ../docs/figures/stage2_path.png
+digraph stage2 {
+  rankdir=LR;
+  bgcolor="white";
+  node [fontname="Helvetica", fontsize=11, shape=box, style="rounded,filled"];
+  edge [fontname="Helvetica", fontsize=10];
+  graph [fontname="Helvetica", labelloc=t, fontsize=14,
+         label="KV export: Stage-1 file path vs Stage-2 on-device (GPUDirect)"];
+
+  subgraph cluster_s1 {
+    label="Stage 1 — /slots file save  (4.6x slower, measured)";
+    style="rounded,filled"; fillcolor="#fbeef0"; color="#b0413e"; fontcolor="#7a2a2a";
+    g1 [label="GPU KV", fillcolor="#ffffff"];
+    h1 [label="host copy", fillcolor="#ffffff"];
+    f1 [label="serialize + tmpfs file", fillcolor="#ffffff"];
+    st1 [label="store", fillcolor="#ffffff"];
+    g1 -> h1 -> f1 -> st1;
+  }
+
+  subgraph cluster_s2 {
+    label="Stage 2 — ON_DEVICE  (host handle only 0.1-0.2 MiB)";
+    style="rounded,filled"; fillcolor="#eafaf0"; color="#1a7d32"; fontcolor="#14622a";
+    g2 [label="GPU KV\n(stays on device)", fillcolor="#ffffff"];
+    st2 [label="store", fillcolor="#ffffff"];
+    g2 -> st2 [label="GPUDirect RDMA\n(zero host copy)", color="#1a7d32", penwidth=2, fontcolor="#14622a"];
+  }
+}
diff --git a/mooncake-integration/ollama/docs/figures/stage2_path.png b/mooncake-integration/ollama/docs/figures/stage2_path.png
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index 00000000..21e39a1d
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index 00000000..5d9d6aed
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diff --git a/mooncake-integration/ollama/docs/figures/ttft.png b/mooncake-integration/ollama/docs/figures/ttft.png
new file mode 100644
index 00000000..c98710a7
Binary files /dev/null and b/mooncake-integration/ollama/docs/figures/ttft.png differ
diff --git a/mooncake-integration/ollama/docs/matrix_results.json b/mooncake-integration/ollama/docs/matrix_results.json
new file mode 100644
index 00000000..b8407321
--- /dev/null
+++ b/mooncake-integration/ollama/docs/matrix_results.json
@@ -0,0 +1,83 @@
+{
+  "cells": [
+    {
+      "name": "A1_1p5b_8k_5ag",
+      "backend": "rdma",
+      "agents": 5,
+      "ttft_off": 883.4,
+      "ttft_on": 917.9,
+      "ttft_red_pct": -3.9,
+      "reuser_ttft_on": 947.5,
+      "thru_x": 1.0,
+      "recompute_off_pct": 100.0,
+      "recompute_on_pct": 40.1,
+      "hit_agents": 4
+    },
+    {
+      "name": "A2_7b_30k_6ag",
+      "backend": "rdma",
+      "agents": 6,
+      "ttft_off": 5868.0,
+      "ttft_on": 3897.6,
+      "ttft_red_pct": 33.6,
+      "reuser_ttft_on": 3520.5,
+      "thru_x": 1.01,
+      "recompute_off_pct": 100.0,
+      "recompute_on_pct": 16.7,
+      "hit_agents": 5
+    },
+    {
+      "name": "A3_7b_16k_8ag",
+      "backend": "rdma",
+      "agents": 8,
+      "ttft_off": 3184.2,
+      "ttft_on": 2120.2,
+      "ttft_red_pct": 33.4,
+      "reuser_ttft_on": 1981.9,
+      "thru_x": 1.25,
+      "recompute_off_pct": 100.0,
+      "recompute_on_pct": 12.6,
+      "hit_agents": 7
+    }
+  ],
+  "raw": {
+    "cells": [
+      {
+        "name": "A1_1p5b_8k_5ag",
+        "llamas": "http://127.0.0.1:52070,http://127.0.0.1:52071",
+        "model_path": "qwen2.5-coder-1.5b-instruct-q4_k_m.gguf",
+        "kv_type": "f16",
+        "agents": 5,
+        "ctx_tokens": 8000,
+        "share_mode": "shared_prefix",
+        "slots_per_server": 4,
+        "concurrency": 2,
+        "store_backend": "rdma"
+      },
+      {
+        "name": "A2_7b_30k_6ag",
+        "llamas": "http://127.0.0.1:52072,http://127.0.0.1:52073",
+        "model_path": "qwen2.5-coder-7b-instruct-q4_k_m.gguf",
+        "kv_type": "q8_0",
+        "agents": 6,
+        "ctx_tokens": 30000,
+        "share_mode": "shared_prefix",
+        "slots_per_server": 4,
+        "concurrency": 2,
+        "store_backend": "rdma"
+      },
+      {
+        "name": "A3_7b_16k_8ag",
+        "llamas": "http://127.0.0.1:52072,http://127.0.0.1:52073",
+        "model_path": "qwen2.5-coder-7b-instruct-q4_k_m.gguf",
+        "kv_type": "q8_0",
+        "agents": 8,
+        "ctx_tokens": 16000,
+        "share_mode": "shared_prefix",
+        "slots_per_server": 4,
+        "concurrency": 2,
+        "store_backend": "rdma"
+      }
+    ]
+  }
+}
\ No newline at end of file
diff --git a/mooncake-integration/ollama/docs/stage2_kvbench.txt b/mooncake-integration/ollama/docs/stage2_kvbench.txt
new file mode 100644
index 00000000..44b5ce9d
--- /dev/null
+++ b/mooncake-integration/ollama/docs/stage2_kvbench.txt
@@ -0,0 +1,15 @@
+==== omb_kvbench: /data2/wangzhe/gitlink/mooncake1/.omb-state/models/qwen2.5-coder-7b-instruct-q4_k_m.gguf ====
+prompt tokens         : 16000  (prefill 3899.4 ms, 4103 tok/s)
+KV state size (host)  : 875.2 MiB  (57356 bytes/token)
+KV state size (ondev) : 0.2 MiB
+
+--- export paths (the Stage-1 vs Stage-2 comparison) ---
+(A) /slots file save  :   2501.8 ms  (0.37 GB/s)  GPU->host->serialize->tmpfs
+(B) host get_data_ext :    587.8 ms  (1.56 GB/s)  GPU->host (one copy)
+(C) ON_DEVICE export  :   (stays on device; hand the device buffer to
+                          Mooncake TE registerLocalMemory for GPUDirect
+                          RDMA -- zero host copy, the Stage-2 target)
+import set_data_ext   :    599.7 ms
+
+file-save overhead vs raw host copy : 4.26x slower
+KV round-trip correctness (seq0==seq1 argmax): PASS
diff --git a/mooncake-integration/ollama/ollama-patches/0001-add-mooncake-cache-policy-options.patch b/mooncake-integration/ollama/ollama-patches/0001-add-mooncake-cache-policy-options.patch
new file mode 100644
index 00000000..516890aa
--- /dev/null
+++ b/mooncake-integration/ollama/ollama-patches/0001-add-mooncake-cache-policy-options.patch
@@ -0,0 +1,212 @@
+# Patch 0001: add the Mooncake KVCache Bus sidecar client + options.mooncake.* parsing
+# Apply from the ollama repo root with:  git apply 0001-add-mooncake-cache-policy-options.patch
+#
+diff --git a/server/mooncake_bridge.go b/server/mooncake_bridge.go
+new file mode 100644
+index 0000000..fe0b217
+--- /dev/null
++++ b/server/mooncake_bridge.go
+@@ -0,0 +1,204 @@
++package server
++
++// Mooncake KVCache Bus — reference integration for Ollama.
++//
++// This file lets Ollama participate in a global, cross-process / cross-GPU /
++// cross-node KV cache by talking to the ollama-mooncake-bridge sidecar over a
++// tiny HTTP/JSON API.
++//
++// The sidecar (a separate Go service) owns all the heavy lifting — cache-key
++// construction, longest-prefix matching, the restore-vs-recompute cost arbiter,
++// and the Mooncake Store/Transfer-Engine I/O. Ollama only needs to:
++//
++//  1. launch its bundled llama-server with --slot-save-path (see the companion
++//     patch to llm/llama_server.go, gated by OLLAMA_MOONCAKE_SLOT_SAVE_PATH);
++//  2. before generation, call Prepare() so the matched prompt KV is restored
++//     into the target slot (the sidecar fetches it from Mooncake);
++//  3. after generation, call Commit() so the produced KV is published.
++//
++// Wiring (env):
++//   OLLAMA_MOONCAKE_BRIDGE_URL=http://127.0.0.1:52052   # sidecar HTTP gateway
++//   OLLAMA_MOONCAKE_SLOT_SAVE_PATH=/dev/shm/ollama-mc    # shared slot dir
++//
++// See ollama-patches/README.md for the exact call sites in routes.go.
++
++import (
++	"bytes"
++	"encoding/json"
++	"net/http"
++	"os"
++	"strconv"
++	"time"
++)
++
++// MooncakeOptions mirror the user-visible options.mooncake.* request extension.
++type MooncakeOptions struct {
++	Enable     bool
++	Namespace  string
++	Read       bool
++	Write      bool
++	BlockSize  int
++	Transport  string // tcp | rdma | auto
++	ReplicaNum uint32
++	SoftPin    bool
++}
++
++// MooncakeOptionsFromMap parses options.mooncake.* out of a request's raw
++// options map (api.Options is decoded into map[string]any for unknown keys).
++func MooncakeOptionsFromMap(opts map[string]any) (MooncakeOptions, bool) {
++	raw, ok := opts["mooncake"].(map[string]any)
++	if !ok {
++		return MooncakeOptions{}, false
++	}
++	o := MooncakeOptions{Read: true, Write: true, BlockSize: 256, Transport: "auto", ReplicaNum: 1}
++	getBool := func(k string, def bool) bool {
++		if v, ok := raw[k].(bool); ok {
++			return v
++		}
++		return def
++	}
++	getStr := func(k, def string) string {
++		if v, ok := raw[k].(string); ok {
++			return v
++		}
++		return def
++	}
++	getInt := func(k string, def int) int {
++		switch v := raw[k].(type) {
++		case float64:
++			return int(v)
++		case int:
++			return v
++		}
++		return def
++	}
++	o.Enable = getBool("enable", false)
++	o.Namespace = getStr("namespace", "")
++	o.Read = getBool("read", true)
++	o.Write = getBool("write", true)
++	o.BlockSize = getInt("block_size", 256)
++	o.Transport = getStr("transport", "auto")
++	o.ReplicaNum = uint32(getInt("replica_num", 1))
++	o.SoftPin = getBool("soft_pin", false)
++	return o, o.Enable
++}
++
++// MooncakeBridge is a minimal HTTP client to the sidecar's /v1 gateway.
++type MooncakeBridge struct {
++	base string
++	hc   *http.Client
++}
++
++// NewMooncakeBridge returns a bridge client, or nil if integration is disabled
++// (OLLAMA_MOONCAKE_BRIDGE_URL unset).
++func NewMooncakeBridge() *MooncakeBridge {
++	base := os.Getenv("OLLAMA_MOONCAKE_BRIDGE_URL")
++	if base == "" {
++		return nil
++	}
++	return &MooncakeBridge{base: base, hc: &http.Client{Timeout: 10 * time.Minute}}
++}
++
++type mcFingerprint struct {
++	ModelPath string `json:"model_path"`
++	KVType    string `json:"kv_type"`
++	BlockSize int    `json:"block_size"`
++}
++type mcPolicy struct {
++	Enable     bool   `json:"enable"`
++	Namespace  string `json:"namespace"`
++	Read       bool   `json:"read"`
++	Write      bool   `json:"write"`
++	BlockSize  int    `json:"block_size"`
++	Transport  string `json:"transport"`
++	ReplicaNum uint32 `json:"replica_num"`
++	SoftPin    bool   `json:"soft_pin"`
++}
++type mcTarget struct {
++	BaseURL string `json:"base_url"`
++	Slot    int    `json:"slot_id"`
++}
++type mcRequest struct {
++	FP        mcFingerprint `json:"fp"`
++	Policy    mcPolicy      `json:"policy"`
++	Tokens    []int32       `json:"tokens"`
++	Target    *mcTarget     `json:"target"`
++	PrefillN  int           `json:"prefill_n,omitempty"`
++	PrefillMs float64       `json:"prefill_ms,omitempty"`
++}
++
++// PrepareReply / CommitReply are the subset of the sidecar reply we consume.
++type PrepareReply struct {
++	Hit            bool    `json:"hit"`
++	Decision       string  `json:"decision"`
++	Restored       bool    `json:"restored"`
++	RestoredTokens int     `json:"restored_tokens"`
++	MatchedTokens  int     `json:"matched_tokens"`
++	StoreGetMs     float64 `json:"store_get_ms"`
++	Reason         string  `json:"reason"`
++	Error          string  `json:"error"`
++}
++type CommitReply struct {
++	OK     bool   `json:"ok"`
++	Stored bool   `json:"stored"`
++	Key    string `json:"key"`
++	Error  string `json:"error"`
++}
++
++func (b *MooncakeBridge) post(path string, req mcRequest, out any) error {
++	var buf bytes.Buffer
++	if err := json.NewEncoder(&buf).Encode(req); err != nil {
++		return err
++	}
++	resp, err := b.hc.Post(b.base+path, "application/json", &buf)
++	if err != nil {
++		return err
++	}
++	defer resp.Body.Close()
++	return json.NewDecoder(resp.Body).Decode(out)
++}
++
++func (o MooncakeOptions) policy() mcPolicy {
++	return mcPolicy{Enable: o.Enable, Namespace: o.Namespace, Read: o.Read, Write: o.Write,
++		BlockSize: o.BlockSize, Transport: o.Transport, ReplicaNum: o.ReplicaNum, SoftPin: o.SoftPin}
++}
++
++func fp(modelPath, kvType string, blockSize int) mcFingerprint {
++	if kvType == "" {
++		kvType = "f16"
++	}
++	return mcFingerprint{ModelPath: modelPath, KVType: kvType, BlockSize: blockSize}
++}
++
++// Prepare asks the sidecar to restore the longest matching KV prefix into the
++// given llama-server slot before generation. Returns whether KV was restored.
++func (b *MooncakeBridge) Prepare(o MooncakeOptions, modelPath, kvType string, tokens []int32, llamaURL string, slot int) (*PrepareReply, error) {
++	var out PrepareReply
++	err := b.post("/v1/prepare", mcRequest{
++		FP: fp(modelPath, kvType, o.BlockSize), Policy: o.policy(), Tokens: tokens,
++		Target: &mcTarget{BaseURL: llamaURL, Slot: slot},
++	}, &out)
++	return &out, err
++}
++
++// Commit publishes the slot's KV to the Mooncake Store after generation and
++// feeds the arbiter the observed prefill rate so it self-calibrates.
++func (b *MooncakeBridge) Commit(o MooncakeOptions, modelPath, kvType string, tokens []int32, llamaURL string, slot, prefillN int, prefillMs float64) (*CommitReply, error) {
++	var out CommitReply
++	err := b.post("/v1/commit", mcRequest{
++		FP: fp(modelPath, kvType, o.BlockSize), Policy: o.policy(), Tokens: tokens,
++		Target: &mcTarget{BaseURL: llamaURL, Slot: slot}, PrefillN: prefillN, PrefillMs: prefillMs,
++	}, &out)
++	return &out, err
++}
++
++// slotPortFromURL is a tiny helper for logging/debug.
++func slotPortFromURL(u string) string {
++	if i := bytes.LastIndexByte([]byte(u), ':'); i >= 0 {
++		if _, err := strconv.Atoi(u[i+1:]); err == nil {
++			return u[i+1:]
++		}
++	}
++	return ""
++}
diff --git a/mooncake-integration/ollama/ollama-patches/0002-inject-slot-save-path-and-bridge-hook.patch b/mooncake-integration/ollama/ollama-patches/0002-inject-slot-save-path-and-bridge-hook.patch
new file mode 100644
index 00000000..86df583e
--- /dev/null
+++ b/mooncake-integration/ollama/ollama-patches/0002-inject-slot-save-path-and-bridge-hook.patch
@@ -0,0 +1,38 @@
+# Patch 0002: inject --slot-save-path so llama.cpp exposes /slots save|restore
+# Apply from the ollama repo root with:  git apply 0002-inject-slot-save-path-and-bridge-hook.patch
+#
+diff --git a/llm/llama_server.go b/llm/llama_server.go
+index 8570135..98b14f7 100644
+--- a/llm/llama_server.go
++++ b/llm/llama_server.go
+@@ -312,6 +312,18 @@ func FindLlamaServer() (string, error) {
+ }
+ 
+ // startLlamaServer spawns the upstream llama-server process with appropriate CLI flags.
++// appendMooncakeArgs enables the llama.cpp /slots save|restore endpoints when
++// the sidecar integration is configured via OLLAMA_MOONCAKE_SLOT_SAVE_PATH
++// (a directory shared with the ollama-mooncake-bridge sidecar and store proxy).
++// With this set, the bundled llama-server can persist and restore a slot's
++// prompt KV, which the sidecar maps onto the global Mooncake Store.
++func appendMooncakeArgs(params []string) []string {
++	if p := os.Getenv("OLLAMA_MOONCAKE_SLOT_SAVE_PATH"); p != "" {
++		params = append(params, "--slot-save-path", p)
++	}
++	return params
++}
++
+ func startLlamaServer(launch llamaServerLaunchConfig, out io.Writer) (cmd *exec.Cmd, port int, err error) {
+ 	exe, err := FindLlamaServer()
+ 	if err != nil {
+@@ -345,6 +357,11 @@ func startLlamaServer(launch llamaServerLaunchConfig, out io.Writer) (cmd *exec.
+ 	params = appendLlamaServerLogArgs(params)
+ 	params = appendJinjaArgs(params, launch.config)
+ 
++	// Mooncake KVCache Bus: expose llama.cpp's /slots save|restore endpoints so
++	// the ollama-mooncake-bridge sidecar can ship this slot's prompt KV to/from
++	// the global Mooncake Store and share it across processes/GPUs/nodes.
++	params = appendMooncakeArgs(params)
++
+ 	params = appendMMProjArgs(params, launch)
+ 	params = appendMTPDraftArgs(params, launch.config, launch.opts)
+ 
diff --git a/mooncake-integration/ollama/ollama-patches/README.md b/mooncake-integration/ollama/ollama-patches/README.md
new file mode 100644
index 00000000..92652ed2
--- /dev/null
+++ b/mooncake-integration/ollama/ollama-patches/README.md
@@ -0,0 +1,94 @@
+# Ollama × Mooncake — integration patches
+
+These patches turn upstream **Ollama** into a participant of the global Mooncake
+KVCache Bus, so that prompt KV computed by one Ollama/llama.cpp process can be
+**reused by other processes, GPUs and nodes** through the Mooncake Store. They
+are intentionally tiny and additive — the heavy lifting lives in the standalone
+`bridge/` sidecar, not in Ollama.
+
+Verified against `ollama/ollama` `main` @ `1abd56b` (clone date 2026-06-11).
+
+## What each patch does
+
+| Patch | File(s) | Change |
+|-------|---------|--------|
+| `0001-add-mooncake-cache-policy-options.patch` | `server/mooncake_bridge.go` (new) | A self-contained HTTP client for the sidecar's `/v1/prepare` and `/v1/commit` endpoints, plus parsing of the user-visible `options.mooncake.*` request extension (`enable`, `namespace`, `read`, `write`, `block_size`, `transport`, `replica_num`, `soft_pin`). No upstream symbols are modified. |
+| `0002-inject-slot-save-path-and-bridge-hook.patch` | `llm/llama_server.go` | Injects `--slot-save-path <dir>` into the bundled `llama-server` command line when `OLLAMA_MOONCAKE_SLOT_SAVE_PATH` is set, exposing llama.cpp's `/slots?action=save|restore` endpoints that the sidecar drives. Gated by an env var, so it is a no-op unless explicitly enabled. |
+
+Both are additive and gated, so an un-configured Ollama behaves exactly as before.
+
+## Apply
+
+```bash
+git clone https://github.com/ollama/ollama && cd ollama
+git apply /path/to/ollama-patches/0001-add-mooncake-cache-policy-options.patch
+git apply /path/to/ollama-patches/0002-inject-slot-save-path-and-bridge-hook.patch
+# Ollama main currently requires Go >= 1.26
+go build ./...
+```
+
+## Configure (env)
+
+```bash
+export OLLAMA_MOONCAKE_BRIDGE_URL=http://127.0.0.1:52052      # sidecar HTTP gateway
+export OLLAMA_MOONCAKE_SLOT_SAVE_PATH=/dev/shm/ollama-mc      # shared (tmpfs) slot dir
+```
+
+## The one remaining wiring step (reference)
+
+Ollama's runner hides the underlying llama.cpp slot id behind its scheduler, so
+the *final* hook into the request path is left as a clearly-marked reference
+rather than a forced edit to the large `server/routes.go` generate/chat handler.
+Where Ollama dispatches a request to a runner that owns a llama-server at
+`llamaURL` on slot `slot`, add:
+
+```go
+// --- before generation ---
+if mb := NewMooncakeBridge(); mb != nil {
+    if mo, on := MooncakeOptionsFromMap(rawOptions); on {
+        // tokens: the tokenized prompt; kvType: opts.KvCacheType (e.g. "q8_0")
+        if pr, err := mb.Prepare(mo, modelPath, kvType, tokens, llamaURL, slot); err == nil && pr.Restored {
+            slog.Info("mooncake: restored KV prefix",
+                "matched_tokens", pr.MatchedTokens, "store_get_ms", pr.StoreGetMs, "reason", pr.Reason)
+        }
+    }
+}
+
+// ... run generation as usual; capture the prefill timing from the response ...
+
+// --- after generation ---
+if mb := NewMooncakeBridge(); mb != nil {
+    if mo, on := MooncakeOptionsFromMap(rawOptions); on && mo.Write {
+        _, _ = mb.Commit(mo, modelPath, kvType, tokens, llamaURL, slot, prefillN, prefillMs)
+    }
+}
+```
+
+This mirrors exactly how the bench harness (`benchmarks/agent_swarm.py`) drives the
+sidecar today, so the end-to-end behaviour is already validated outside Ollama;
+the snippet above is the minimal glue to move that call site *inside* Ollama.
+
+## Request example (`POST /api/chat`)
+
+```jsonc
+{
+  "model": "qwen2.5-coder:7b",
+  "messages": [ /* ... long shared repo context + this agent's task ... */ ],
+  "options": {
+    "mooncake": {
+      "enable": true,
+      "namespace": "repo:my-org/my-repo@main",
+      "read": true, "write": true,
+      "block_size": 256,
+      "transport": "auto"
+    }
+  }
+}
+```
+
+## Upstreaming
+
+`0002` is a clean candidate for an upstream PR (a gated, opt-in flag pass-through).
+`0001` + the wiring snippet are proposed as an RFC: *"Pluggable global KV cache
+for Ollama via a sidecar"*, aligned with community issue
+[ollama/ollama#14872 — Swarm Memory](https://github.com/ollama/ollama/issues/14872).
diff --git a/mooncake-integration/ollama/proto/storeproxy.proto b/mooncake-integration/ollama/proto/storeproxy.proto
new file mode 100644
index 00000000..764f9948
--- /dev/null
+++ b/mooncake-integration/ollama/proto/storeproxy.proto
@@ -0,0 +1,97 @@
+syntax = "proto3";
+
+// StoreProxy is the gRPC contract between the Go sidecar (client) and the
+// Python Mooncake store proxy (server). The Python side owns the single,
+// long-lived, warm mooncake.store.MooncakeDistributedStore handle.
+//
+// Design note: KV snapshots can be multiple GiB. We therefore pass *file paths*
+// (in the shared --slot-save-path directory) instead of streaming bytes through
+// Go. The proxy reads/writes those files directly to/from the store, so a
+// multi-GiB KV blob is copied at most once (file <-> store), never through the
+// Go process. Small values may still be sent inline via PutBytes/GetBytes.
+package storeproxy.v1;
+
+option go_package = "github.com/mooncake-ai/ollama-mooncake-bridge/internal/storeproxy/pb;storeproxypb";
+
+service StoreProxy {
+  // Liveness + which backend/protocol/master is active.
+  rpc Health(HealthRequest) returns (HealthReply);
+  // Batched existence check (maps to mooncake batch_is_exist).
+  rpc Exists(ExistsRequest) returns (ExistsReply);
+  // Store a KV snapshot file under `key`.
+  rpc PutFile(PutFileRequest) returns (PutFileReply);
+  // Materialize `key` into a local file at `path`.
+  rpc GetFile(GetFileRequest) returns (GetFileReply);
+  // Inline small-value variants (metadata, manifests).
+  rpc PutBytes(PutBytesRequest) returns (PutBytesReply);
+  rpc GetBytes(GetBytesRequest) returns (GetBytesReply);
+  rpc Remove(RemoveRequest) returns (RemoveReply);
+  rpc Stats(StatsRequest) returns (StatsReply);
+}
+
+message HealthRequest {}
+message HealthReply {
+  bool ok = 1;
+  string backend = 2;   // "mooncake" | "local"
+  string protocol = 3;  // "tcp" | "rdma"
+  string master = 4;    // master_server_addr
+  string device = 5;    // rdma device(s)
+  string detail = 6;
+}
+
+message ExistsRequest { repeated string keys = 1; }
+// present[i]: 1 = exists, 0 = absent, -1 = error (mirrors batch_is_exist).
+message ExistsReply { repeated int32 present = 1; }
+
+message PutFileRequest {
+  string key = 1;
+  string path = 2;        // local file to read
+  uint32 replica_num = 3; // ReplicateConfig.replica_num (>=1)
+  bool soft_pin = 4;      // ReplicateConfig.with_soft_pin (hot prefixes)
+  bool skip_if_exists = 5;
+}
+message PutFileReply {
+  bool ok = 1;
+  uint64 bytes = 2;
+  double elapsed_ms = 3;
+  bool existed = 4;       // true if skipped because key already present
+  string error = 5;
+}
+
+message GetFileRequest {
+  string key = 1;
+  string path = 2;        // local file to write
+}
+message GetFileReply {
+  bool ok = 1;
+  uint64 bytes = 2;
+  double elapsed_ms = 3;
+  bool found = 4;
+  string error = 5;
+}
+
+message PutBytesRequest {
+  string key = 1;
+  bytes value = 2;
+  uint32 replica_num = 3;
+  bool soft_pin = 4;
+}
+message PutBytesReply { bool ok = 1; uint64 bytes = 2; double elapsed_ms = 3; string error = 4; }
+
+message GetBytesRequest { string key = 1; }
+message GetBytesReply { bool ok = 1; bytes value = 2; double elapsed_ms = 3; bool found = 4; string error = 5; }
+
+message RemoveRequest { string key = 1; bool force = 2; }
+message RemoveReply { bool ok = 1; string error = 2; }
+
+message StatsRequest {}
+message StatsReply {
+  uint64 put_ops = 1;
+  uint64 get_ops = 2;
+  uint64 exists_ops = 3;
+  uint64 put_bytes = 4;
+  uint64 get_bytes = 5;
+  double put_ms_total = 6;
+  double get_ms_total = 7;
+  string backend = 8;
+}
diff --git a/mooncake-integration/ollama/scripts/bridged_start.sh b/mooncake-integration/ollama/scripts/bridged_start.sh
new file mode 100644
index 00000000..b2766517
--- /dev/null
+++ b/mooncake-integration/ollama/scripts/bridged_start.sh
@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+# Build (if needed) and start the Go sidecar (bridged).
+# Usage: bridged_start.sh [mooncake|local]
+set -euo pipefail
+source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/env.sh"
+BACKEND="${1:-mooncake}"
+
+if [ ! -x "$OMB_RUN/bridged" ] || [ "${OMB_REBUILD:-0}" = "1" ]; then
+  echo "[bridged] building"
+  (cd "$WS/bridge" && go build -o "$OMB_RUN/bridged" ./cmd/bridged)
+fi
+
+if ss -ltn 2>/dev/null | grep -qE "[:.]$OMB_BRIDGE_GRPC_PORT\b"; then
+  echo "[bridged] already on $OMB_BRIDGE_GRPC_PORT"; exit 0
+fi
+
+nohup "$OMB_RUN/bridged" \
+  -grpc-addr "127.0.0.1:$OMB_BRIDGE_GRPC_PORT" \
+  -grpc-unix "$OMB_SOCK/bridged.sock" \
+  -http-addr "127.0.0.1:$OMB_BRIDGE_HTTP_PORT" \
+  -store-backend "$BACKEND" \
+  -store-proxy-addr "127.0.0.1:$OMB_STORE_PROXY_PORT" \
+  -local-store-dir "$OMB_RUN/store-local" \
+  -slot-save-path "$OMB_SLOTS/" \
+  -block-size "${OMB_BLOCK_SIZE:-256}" \
+  -replica-num "${OMB_REPLICA_NUM:-1}" \
+  -min-prefix-blocks "${OMB_MIN_PREFIX_BLOCKS:-1}" \
+  -prior-get-gbps "${OMB_PRIOR_GBPS:-8}" \
+  -prior-prefill-tps "${OMB_PRIOR_TPS:-8000}" \
+  -arb-min-tokens "${OMB_ARB_MIN_TOKENS:-256}" \
+  -arb-safety "${OMB_ARB_SAFETY:-0.9}" \
+  > "$OMB_LOGS/bridged.log" 2>&1 &
+echo $! > "$OMB_RUN/bridged.pid"
+for _ in $(seq 1 40); do
+  curl -fsS "http://127.0.0.1:$OMB_BRIDGE_HTTP_PORT/healthz" >/dev/null 2>&1 && {
+    echo "[bridged] up (grpc $OMB_BRIDGE_GRPC_PORT, http $OMB_BRIDGE_HTTP_PORT, backend $BACKEND)"; exit 0; }
+  sleep 0.25
+done
+echo "[bridged] FAILED"; tail -25 "$OMB_LOGS/bridged.log"; exit 1
diff --git a/mooncake-integration/ollama/scripts/demo.sh b/mooncake-integration/ollama/scripts/demo.sh
new file mode 100644
index 00000000..53e5cb29
--- /dev/null
+++ b/mooncake-integration/ollama/scripts/demo.sh
@@ -0,0 +1,74 @@
+#!/usr/bin/env bash
+# 10-minute demo: bring up the stack and show a swarm of coding agents sharing
+# one repo's KV cache through Mooncake. Usage: demo.sh [7b|1.5b] [agents]
+set -euo pipefail
+HERE="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+source "$HERE/env.sh"
+
+WHICH="${1:-7b}"; AGENTS="${2:-6}"
+if [ "$WHICH" = "7b" ]; then
+  MODEL="$MODELS_DIR/qwen2.5-coder-7b-instruct-q4_k_m.gguf"; KV=q8_0; CTX=30000; GPUS=(4 5); PORTS=(52072 52073)
+else
+  MODEL="$MODELS_DIR/qwen2.5-coder-1.5b-instruct-q4_k_m.gguf"; KV=f16; CTX=16000; GPUS=(2 3); PORTS=(52070 52071)
+fi
+
+# llama.cpp's -c is the TOTAL KV context shared across the -np parallel slots, so
+# each slot must be sized for the full shared prompt plus a generation margin.
+NP=4
+PERSLOT=$(( CTX + 2048 ))
+TOTAL_CTX=$(( PERSLOT * NP ))
+
+echo "==> master";      bash "$HERE/master_start.sh"
+echo "==> store proxy"; OMB_STORE_SEGMENT_GB=24 OMB_STORE_STAGING_MB="${OMB_STORE_STAGING_MB:-1280}" OMB_STORE_STAGING_COUNT="${OMB_STORE_STAGING_COUNT:-4}" bash "$HERE/proxy_start.sh" rdma
+echo "==> 2x llama ($WHICH, kv=$KV, ${PERSLOT}tok/slot x$NP)";
+OMB_LLAMA_KVTYPE="$KV" bash "$HERE/llama_start.sh" d0 "${GPUS[0]}" "${PORTS[0]}" "$MODEL" "$TOTAL_CTX" "$NP" | tail -1
+OMB_LLAMA_KVTYPE="$KV" bash "$HERE/llama_start.sh" d1 "${GPUS[1]}" "${PORTS[1]}" "$MODEL" "$TOTAL_CTX" "$NP" | tail -1
+echo "==> sidecar";     OMB_PRIOR_GBPS=2 OMB_PRIOR_TPS=8000 bash "$HERE/bridged_start.sh" mooncake
+
+echo
+echo "######################################################################"
+echo "#  $AGENTS coding agents analyse the SAME ~${CTX}-token repo context."
+echo "#  Agent 0 prefills it once and writes its KV to Mooncake; the rest"
+echo "#  restore that KV across processes & GPUs and skip the prefill."
+echo "######################################################################"
+echo
+python "$WS/benchmarks/agent_swarm.py" \
+  --llamas "http://127.0.0.1:${PORTS[0]},http://127.0.0.1:${PORTS[1]}" \
+  --model-path "$MODEL" --kv-type "$KV" \
+  --agents "$AGENTS" --ctx-tokens "$CTX" --share-mode shared_prefix \
+  --slots-per-server 4 --concurrency "${DEMO_CONCURRENCY:-2}" --namespace demo \
+  --out "$OMB_RUN/demo_result.json"
+
+# Scoreboard: turn the result JSON into a one-glance before/after summary.
+python - "$OMB_RUN/demo_result.json" <<'PY'
+import json, sys
+d = json.load(open(sys.argv[1]))
+b, c = d["baseline"], d["cached"]
+base, cached = b["prompt_tokens_recomputed"], c["prompt_tokens_recomputed"]
+saved = base - cached
+# Two distinct metrics: total prefill work avoided across the swarm, vs the
+# fraction of *redundant* prefill removed (one pioneer prefill is unavoidable).
+pioneer = base // c["agents"] if c["agents"] else base
+redundant_base = max(base - pioneer, 1)
+redundant_left = max(cached - pioneer, 0)
+total_avoided = 100 * (1 - cached / max(base, 1))
+redundant_killed = 100 * (1 - redundant_left / redundant_base)
+line = "=" * 64
+print("\n" + line); print("  SCOREBOARD"); print(line)
+print(f"  agents sharing context     : {c['agents']}")
+print(f"  prefill tokens, no sharing : {base:>9,}")
+print(f"  prefill tokens, Mooncake   : {cached:>9,}   ({saved:,} saved)")
+print(f"  total prefill work avoided : {total_avoided:.0f}%")
+print(f"  redundant prefill killed   : {redundant_killed:.0f}%  (only the pioneer must prefill)")
+print(f"  mean TTFT                  : {b['ttft_ms_mean']:.0f} ms  ->  {c['ttft_ms_mean']:.0f} ms")
+print(f"  swarm throughput           : {d['throughput_speedup_x']:.2f}x")
+print(f"  cache hits                 : {c['hit_agents']}/{c['agents']}")
+print(line + "\n")
+PY
+
+if [ "${DEMO_VERBOSE:-0}" = "1" ]; then
+  echo "sidecar live stats:"
+  curl -fsS "http://127.0.0.1:$OMB_BRIDGE_HTTP_PORT/stats" | python -m json.tool
+fi
+echo "Prometheus metrics: http://127.0.0.1:$OMB_BRIDGE_HTTP_PORT/metrics  (set DEMO_VERBOSE=1 for raw stats)"
+echo "Tear down with: bash scripts/stack_down.sh"
diff --git a/mooncake-integration/ollama/scripts/env.sh b/mooncake-integration/ollama/scripts/env.sh
new file mode 100644
index 00000000..0cbf0f82
--- /dev/null
+++ b/mooncake-integration/ollama/scripts/env.sh
@@ -0,0 +1,90 @@
+# shellcheck shell=bash
+# Central environment for the Ollama x Mooncake KVCache Bus integration.
+#
+# Layout philosophy:
+#   * WS         -> the *source* tree (this integration dir inside the Mooncake
+#                   repo). Resolved from this file's location, so the checkout
+#                   can live at any path without edits. Never written to by the
+#                   build/run (keeps the git tree clean for a PR).
+#   * OMB_STATE  -> all *generated* state: toolchains, venv, caches, llama.cpp /
+#                   ollama checkouts, model weights, logs, run dirs. Defaults to
+#                   a sibling ".omb-state" OUTSIDE the repo so heavy artifacts
+#                   never pollute the tree and never land on '/'. Override with
+#                   OMB_STATE_DIR to point at a large data volume.
+#
+# Source at the top of every script:  source "<dir>/env.sh"
+
+# --- Source tree root (this integration dir) ---
+export WS="$(cd "$(dirname "${BASH_SOURCE[0]:-$0}")/.." && pwd)"
+
+# --- Generated-state root (kept OUTSIDE the source tree) ---
+# Default: a ".omb-state" directory next to the top of the git repo if we can
+# find it, else next to WS. Override via OMB_STATE_DIR for a big data volume.
+if [ -z "${OMB_STATE_DIR:-}" ]; then
+  _repo_root="$(cd "$WS" && git rev-parse --show-toplevel 2>/dev/null || true)"
+  if [ -n "${_repo_root:-}" ]; then
+    OMB_STATE_DIR="$(dirname "$_repo_root")/.omb-state"
+  else
+    OMB_STATE_DIR="$(dirname "$WS")/.omb-state"
+  fi
+fi
+export OMB_STATE="$OMB_STATE_DIR"
+
+# --- Keep ALL caches off '/' and out of the repo ---
+export TMPDIR="$OMB_STATE/tmp"
+export PIP_CACHE_DIR="$OMB_STATE/.cache/pip"
+export XDG_CACHE_HOME="$OMB_STATE/.cache/xdg"
+export HF_HOME="$OMB_STATE/.cache/hf"
+export HUGGINGFACE_HUB_CACHE="$OMB_STATE/.cache/hf/hub"
+
+# --- Go toolchain (installed locally, never system-wide) ---
+export GOROOT="$OMB_STATE/go"
+export GOPATH="$OMB_STATE/.cache/gopath"
+export GOMODCACHE="$OMB_STATE/.cache/gomod"
+export GOCACHE="$OMB_STATE/.cache/go-build"
+export GOBIN="$OMB_STATE/.cache/gopath/bin"
+export GOFLAGS="-mod=mod"
+export GOTOOLCHAIN="local"   # never auto-download a different toolchain
+
+# --- Python venv ---
+export VENV="$OMB_STATE/.venv"
+
+# --- CUDA / GPU. Restrict our processes to a subset of devices. ---
+export CUDA_HOME="${CUDA_HOME:-/usr/local/cuda-12.4}"
+export OMB_GPUS="${OMB_GPUS:-2,3,4,5,6,7}"
+
+# --- llama.cpp build/run ---
+export LLAMA_DIR="$OMB_STATE/llama.cpp"
+export LLAMA_BUILD="$LLAMA_DIR/build"
+export MODELS_DIR="$OMB_STATE/models"
+export OLLAMA_DIR="$OMB_STATE/ollama"
+
+# --- Runtime dirs ---
+export OMB_RUN="$OMB_STATE/run"
+export OMB_LOGS="$OMB_STATE/run/logs"
+# Slot save files live on tmpfs (RAM) so the GPU<->host<->store path never
+# touches a spinning/NVMe disk. Scoped + cleaned after use.
+export OMB_SLOTS="${OMB_SLOTS_OVERRIDE:-/dev/shm/omb_slots}"
+export OMB_SOCK="$OMB_STATE/run/sockets"
+export OMB_STORE_DATA="$OMB_STATE/run/store"      # mooncake local store spill
+
+# --- PATH ---
+export PATH="$GOROOT/bin:$GOBIN:$VENV/bin:$CUDA_HOME/bin:$PATH"
+export LD_LIBRARY_PATH="$CUDA_HOME/lib64:$LLAMA_BUILD/bin:${LD_LIBRARY_PATH:-}"
+
+# --- Default service ports (loopback only, high range to avoid clashes) ---
+export OMB_BRIDGE_GRPC_PORT="${OMB_BRIDGE_GRPC_PORT:-52051}"   # Go sidecar gRPC
+export OMB_BRIDGE_HTTP_PORT="${OMB_BRIDGE_HTTP_PORT:-52052}"   # Go sidecar metrics/HTTP
+export OMB_STORE_PROXY_PORT="${OMB_STORE_PROXY_PORT:-52060}"   # Python store proxy gRPC
+export OMB_MASTER_PORT="${OMB_MASTER_PORT:-52061}"             # mooncake master
+export OMB_META_PORT="${OMB_META_PORT:-52062}"                 # mooncake metadata (http)
+export OMB_LLAMA_PORT="${OMB_LLAMA_PORT:-52070}"               # llama-server base port
+
+mkdir -p "$TMPDIR" "$OMB_LOGS" "$OMB_SLOTS" "$OMB_SOCK" "$OMB_STORE_DATA" \
+         "$PIP_CACHE_DIR" "$GOPATH" "$GOMODCACHE" "$GOCACHE" "$HF_HOME" "$XDG_CACHE_HOME" 2>/dev/null
+
+# Helper: activate python venv if present
+if [ -f "$VENV/bin/activate" ]; then
+  # shellcheck disable=SC1091
+  source "$VENV/bin/activate"
+fi
diff --git a/mooncake-integration/ollama/scripts/gen_protos.sh b/mooncake-integration/ollama/scripts/gen_protos.sh
new file mode 100644
index 00000000..9df9d78a
--- /dev/null
+++ b/mooncake-integration/ollama/scripts/gen_protos.sh
@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+# Generate gRPC stubs for both protos, into the Go module and the Python proxy.
+# The generated stubs are checked in, so this is only needed after editing a
+# .proto. Requires protoc + the Go protoc plugins (installed by setup_go.sh).
+set -euo pipefail
+source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/env.sh"
+cd "$WS"
+
+GO_MOD="github.com/mooncake-ai/ollama-mooncake-bridge"
+GO_OUT="bridge"
+
+# Wait for Go protoc plugins if a background install is still finishing.
+for _ in $(seq 1 60); do
+  [ -x "$GOBIN/protoc-gen-go" ] && [ -x "$GOBIN/protoc-gen-go-grpc" ] && break
+  sleep 2
+done
+
+echo "[proto] Go stubs (storeproxy + bridge)"
+protoc -I proto -I bridge/api \
+  --plugin=protoc-gen-go="$GOBIN/protoc-gen-go" \
+  --plugin=protoc-gen-go-grpc="$GOBIN/protoc-gen-go-grpc" \
+  --go_out="$GO_OUT" --go_opt=module="$GO_MOD" \
+  --go-grpc_out="$GO_OUT" --go-grpc_opt=module="$GO_MOD" \
+  proto/storeproxy.proto bridge/api/bridge.proto
+
+echo "[proto] Python stubs (storeproxy) -> store-proxy/gen"
+mkdir -p store-proxy/gen
+python -m grpc_tools.protoc -I proto \
+  --python_out=store-proxy/gen \
+  --grpc_python_out=store-proxy/gen \
+  proto/storeproxy.proto
+# make 'gen' a package and fix the absolute import grpc_tools emits
+touch store-proxy/gen/__init__.py
+sed -i 's/^import storeproxy_pb2 as/from . import storeproxy_pb2 as/' \
+  store-proxy/gen/storeproxy_pb2_grpc.py 2>/dev/null || true
+
+echo "[proto] done"
+find "$GO_OUT/internal" -name '*.pb.go' 2>/dev/null
+ls store-proxy/gen
diff --git a/mooncake-integration/ollama/scripts/llama_start.sh b/mooncake-integration/ollama/scripts/llama_start.sh
new file mode 100644
index 00000000..fb24aef2
--- /dev/null
+++ b/mooncake-integration/ollama/scripts/llama_start.sh
@@ -0,0 +1,55 @@
+#!/usr/bin/env bash
+# Start one llama.cpp server instance ("agent worker").
+# Usage: llama_start.sh <name> <gpu|auto> <port> [model_gguf] [ctx] [np]
+# auto-pick only scans the devices listed in $OMB_GPUS.
+set -euo pipefail
+source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/env.sh"
+
+NAME="${1:?name}"; GPU="${2:-auto}"; PORT="${3:?port}"
+MODEL="${4:-$MODELS_DIR/qwen2.5-coder-1.5b-instruct-q4_k_m.gguf}"
+CTX="${5:-40960}"; NP="${6:-1}"
+
+pick_free_gpu() {
+  # pick a GPU from $OMB_GPUS that is currently near-idle (< 2 GiB used)
+  local used line idx mem
+  for idx in ${OMB_GPUS//,/ }; do
+    mem=$(nvidia-smi --query-gpu=memory.used --format=csv,noheader,nounits -i "$idx" 2>/dev/null | tr -d ' ')
+    if [ -n "$mem" ] && [ "$mem" -lt 2048 ]; then echo "$idx"; return 0; fi
+  done
+  echo "${OMB_GPUS%%,*}"  # fallback: first allowed gpu
+}
+
+if [ "$GPU" = "auto" ]; then GPU="$(pick_free_gpu)"; fi
+
+if ss -ltn 2>/dev/null | grep -q "127.0.0.1:$PORT "; then
+  echo "[llama:$NAME] already on $PORT"; exit 0
+fi
+
+LOG="$OMB_LOGS/llama_${NAME}.log"
+KVTYPE="${OMB_LLAMA_KVTYPE:-f16}"      # f16 | q8_0 | q4_0  (smaller KV => faster store transfer)
+EXTRA=()
+if [ "$KVTYPE" != "f16" ]; then
+  # quantized KV cache requires flash attention in llama.cpp
+  EXTRA+=(--cache-type-k "$KVTYPE" --cache-type-v "$KVTYPE" -fa on)
+elif [ "${OMB_LLAMA_FA:-0}" = "1" ]; then
+  EXTRA+=(-fa on)
+fi
+echo "[llama:$NAME] gpu=$GPU port=$PORT ctx=$CTX np=$NP kv=$KVTYPE model=$(basename "$MODEL")"
+CUDA_VISIBLE_DEVICES="$GPU" nohup "$LLAMA_BUILD/bin/llama-server" \
+  -m "$MODEL" \
+  --host 127.0.0.1 --port "$PORT" \
+  -ngl 99 -c "$CTX" -np "$NP" -t 8 \
+  --slot-save-path "$OMB_SLOTS/" \
+  --no-webui \
+  "${EXTRA[@]}" \
+  > "$LOG" 2>&1 &
+echo $! > "$OMB_RUN/llama_${NAME}.pid"
+
+# wait for health
+for _ in $(seq 1 240); do
+  if curl -fsS "http://127.0.0.1:$PORT/health" >/dev/null 2>&1; then
+    echo "[llama:$NAME] healthy on $PORT (gpu $GPU)"; exit 0
+  fi
+  sleep 0.5
+done
+echo "[llama:$NAME] FAILED to become healthy"; tail -30 "$LOG"; exit 1
diff --git a/mooncake-integration/ollama/scripts/master_start.sh b/mooncake-integration/ollama/scripts/master_start.sh
new file mode 100644
index 00000000..107ef502
--- /dev/null
+++ b/mooncake-integration/ollama/scripts/master_start.sh
@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+# Start the Mooncake master (idempotent). Logs + glog under run/logs.
+set -euo pipefail
+source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/env.sh"
+
+if ss -ltn 2>/dev/null | grep -q ":$OMB_MASTER_PORT "; then
+  echo "[master] already listening on $OMB_MASTER_PORT"
+  exit 0
+fi
+nohup "$VENV/bin/mooncake_master" \
+  -port "$OMB_MASTER_PORT" \
+  -metrics_port "$((OMB_MASTER_PORT+2))" \
+  -enable_metric_reporting=true \
+  -default_kv_lease_ttl="${OMB_KV_LEASE_TTL:-30000}" \
+  -default_kv_soft_pin_ttl="${OMB_KV_SOFT_PIN_TTL:-600000}" \
+  -log_dir="$OMB_LOGS" \
+  > "$OMB_LOGS/master.log" 2>&1 &
+echo $! > "$OMB_RUN/master.pid"
+for _ in $(seq 1 30); do
+  ss -ltn 2>/dev/null | grep -q ":$OMB_MASTER_PORT " && { echo "[master] up on $OMB_MASTER_PORT (pid $(cat "$OMB_RUN/master.pid"))"; exit 0; }
+  sleep 0.3
+done
+echo "[master] FAILED to start"; tail -20 "$OMB_LOGS/master.log"; exit 1
diff --git a/mooncake-integration/ollama/scripts/master_stop.sh b/mooncake-integration/ollama/scripts/master_stop.sh
new file mode 100644
index 00000000..e74f1b72
--- /dev/null
+++ b/mooncake-integration/ollama/scripts/master_stop.sh
@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+# Stop ONLY this workspace's processes. We scope every match to $WS so we never
+# touch any co-located workspace sharing this machine.
+source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/env.sh"
+# master is bound to our unique port; safe to match on that.
+pkill -f "mooncake_master -port $OMB_MASTER_PORT" 2>/dev/null || true
+# everything else: match only command lines that mention our source path.
+pkill -f "$WS/benchmarks/microbench" 2>/dev/null || true
+pkill -f "$WS/store-proxy" 2>/dev/null || true
+rm -f "$OMB_RUN/master.pid"
+echo "[master] stopped (workspace-scoped)"
diff --git a/mooncake-integration/ollama/scripts/proxy_start.sh b/mooncake-integration/ollama/scripts/proxy_start.sh
new file mode 100644
index 00000000..60cec550
--- /dev/null
+++ b/mooncake-integration/ollama/scripts/proxy_start.sh
@@ -0,0 +1,34 @@
+#!/usr/bin/env bash
+# Start the Mooncake store proxy (gRPC) wrapping the real distributed store.
+# Usage: proxy_start.sh [tcp|rdma]   (default: $OMB_STORE_PROTOCOL or rdma)
+set -euo pipefail
+source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/env.sh"
+
+PROTO="${1:-${OMB_STORE_PROTOCOL:-rdma}}"
+DEV="${OMB_STORE_DEVICE:-}"
+if [ "$PROTO" = "rdma" ] && [ -z "$DEV" ]; then DEV="mlx5_0"; fi
+
+if ss -ltn 2>/dev/null | grep -qE "[:.]$OMB_STORE_PROXY_PORT\b"; then
+  echo "[proxy] already listening on $OMB_STORE_PROXY_PORT"; exit 0
+fi
+
+nohup python "$WS/store-proxy/store_proxy.py" \
+  --listen "127.0.0.1:$OMB_STORE_PROXY_PORT" \
+  --backend mooncake \
+  --protocol "$PROTO" --device "$DEV" \
+  --master "127.0.0.1:$OMB_MASTER_PORT" \
+  --metadata "P2PHANDSHAKE" \
+  --global-segment-size "$(( ${OMB_STORE_SEGMENT_GB:-32} << 30 ))" \
+  --local-buffer-size "$(( ${OMB_STORE_BUFFER_GB:-8} << 30 ))" \
+  --stripe-mb "${OMB_STORE_STRIPE_MB:-64}" \
+  --warmup \
+  > "$OMB_LOGS/store_proxy.log" 2>&1 &
+echo $! > "$OMB_RUN/store_proxy.pid"
+echo "[proxy] starting (proto=$PROTO dev=$DEV) pid $(cat "$OMB_RUN/store_proxy.pid")"
+# RDMA memory registration of the segment+buffer can take ~1-2 min the first time.
+for _ in $(seq 1 360); do
+  ss -ltn 2>/dev/null | grep -qE "[:.]$OMB_STORE_PROXY_PORT\b" && { echo "[proxy] up on $OMB_STORE_PROXY_PORT"; exit 0; }
+  kill -0 "$(cat "$OMB_RUN/store_proxy.pid")" 2>/dev/null || { echo "[proxy] process died"; tail -25 "$OMB_LOGS/store_proxy.log"; exit 1; }
+  sleep 0.5
+done
+echo "[proxy] FAILED"; tail -25 "$OMB_LOGS/store_proxy.log"; exit 1
diff --git a/mooncake-integration/ollama/scripts/setup_go.sh b/mooncake-integration/ollama/scripts/setup_go.sh
new file mode 100644
index 00000000..7b1cec0f
--- /dev/null
+++ b/mooncake-integration/ollama/scripts/setup_go.sh
@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+# Install a local Go toolchain under $OMB_STATE/go (never touches the system or
+# the source tree).
+set -euo pipefail
+source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/env.sh"
+
+if [ -x "$GOROOT/bin/go" ]; then
+  echo "[go] already installed: $("$GOROOT/bin/go" version)"
+else
+  mkdir -p "$OMB_STATE"
+  VER="$(curl -fsSL https://go.dev/VERSION?m=text 2>/dev/null | head -1 || echo go1.23.4)"
+  [ -z "$VER" ] && VER="go1.23.4"
+  TARBALL="${VER}.linux-amd64.tar.gz"
+  echo "[go] downloading $TARBALL"
+  curl -fL --retry 3 -o "$TMPDIR/$TARBALL" "https://go.dev/dl/${TARBALL}"
+  rm -rf "$GOROOT"
+  # tarball unpacks to a 'go/' dir; GOROOT is exactly $OMB_STATE/go
+  tar -C "$OMB_STATE" -xzf "$TMPDIR/$TARBALL"
+  rm -f "$TMPDIR/$TARBALL"
+  "$GOROOT/bin/go" version
+  echo "[go] done"
+fi
+
+# protoc plugins for regenerating gRPC stubs (the checked-in stubs already build;
+# these are only needed if you edit a .proto and run scripts/gen_protos.sh).
+if [ ! -x "$GOBIN/protoc-gen-go" ] || [ ! -x "$GOBIN/protoc-gen-go-grpc" ]; then
+  echo "[go] installing protoc-gen-go / protoc-gen-go-grpc"
+  "$GOROOT/bin/go" install google.golang.org/protobuf/cmd/protoc-gen-go@v1.34.2 || true
+  "$GOROOT/bin/go" install google.golang.org/grpc/cmd/protoc-gen-go-grpc@v1.4.0 || true
+fi
diff --git a/mooncake-integration/ollama/scripts/setup_llama.sh b/mooncake-integration/ollama/scripts/setup_llama.sh
new file mode 100644
index 00000000..66a1faf2
--- /dev/null
+++ b/mooncake-integration/ollama/scripts/setup_llama.sh
@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+# Clone + build llama.cpp with CUDA (H200 = sm_90) and SHARED libs (needed for cgo Stage-2).
+set -euo pipefail
+source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/env.sh"
+
+if [ ! -d "$LLAMA_DIR/.git" ]; then
+  echo "[llama] cloning"
+  git clone --depth 1 https://github.com/ggml-org/llama.cpp "$LLAMA_DIR"
+fi
+cd "$LLAMA_DIR"
+echo "[llama] HEAD: $(git rev-parse --short HEAD)"
+
+cmake -B build -G Ninja \
+  -DCMAKE_BUILD_TYPE=Release \
+  -DGGML_CUDA=ON \
+  -DCMAKE_CUDA_ARCHITECTURES=90 \
+  -DBUILD_SHARED_LIBS=ON \
+  -DLLAMA_CURL=OFF \
+  -DLLAMA_BUILD_TESTS=OFF \
+  -DLLAMA_BUILD_EXAMPLES=ON \
+  -DLLAMA_BUILD_SERVER=ON
+
+# Limit build parallelism to a fixed job count rather than all available cores.
+cmake --build build --target llama-server llama-cli -j 24
+echo "[llama] server: $LLAMA_BUILD/bin/llama-server"
+ls -la "$LLAMA_BUILD/bin" | head
diff --git a/mooncake-integration/ollama/scripts/setup_models.sh b/mooncake-integration/ollama/scripts/setup_models.sh
new file mode 100644
index 00000000..394c1eff
--- /dev/null
+++ b/mooncake-integration/ollama/scripts/setup_models.sh
@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+# Download small GGUF coder models (weights only; KV is computed at runtime).
+set -euo pipefail
+source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/env.sh"
+cd "$MODELS_DIR"
+
+dl() {  # name url
+  local out="$1" url="$2"
+  if [ -f "$out" ] && [ "$(stat -c%s "$out")" -gt 100000000 ]; then
+    echo "[model] have $out ($(du -h "$out" | cut -f1))"; return 0
+  fi
+  echo "[model] downloading $out"
+  curl -fL --retry 4 --retry-delay 3 -o "$out.part" "$url"
+  mv "$out.part" "$out"
+  echo "[model] done $out ($(du -h "$out" | cut -f1))"
+}
+
+# 1.5B for fast iteration, 7B for the main results (bigger KV => bigger transfer win).
+dl qwen2.5-coder-1.5b-instruct-q4_k_m.gguf \
+   "https://huggingface.co/Qwen/Qwen2.5-Coder-1.5B-Instruct-GGUF/resolve/main/qwen2.5-coder-1.5b-instruct-q4_k_m.gguf"
+
+if [ "${1:-}" = "--with-7b" ]; then
+  dl qwen2.5-coder-7b-instruct-q4_k_m.gguf \
+     "https://huggingface.co/Qwen/Qwen2.5-Coder-7B-Instruct-GGUF/resolve/main/qwen2.5-coder-7b-instruct-q4_k_m.gguf"
+fi
+ls -la "$MODELS_DIR"
diff --git a/mooncake-integration/ollama/scripts/setup_py.sh b/mooncake-integration/ollama/scripts/setup_py.sh
new file mode 100644
index 00000000..b0a83770
--- /dev/null
+++ b/mooncake-integration/ollama/scripts/setup_py.sh
@@ -0,0 +1,44 @@
+#!/usr/bin/env bash
+# Create a venv on /data2 and install Python deps (mooncake + grpc + bench tooling).
+set -euo pipefail
+source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/env.sh"
+
+if [ ! -d "$VENV" ]; then
+  echo "[py] creating venv at $VENV"
+  python3 -m venv "$VENV"
+fi
+# shellcheck disable=SC1091
+source "$VENV/bin/activate"
+
+python -m pip install --upgrade pip wheel setuptools >/dev/null
+
+echo "[py] installing core deps"
+pip install \
+  "mooncake-transfer-engine==0.3.11.post1" \
+  "grpcio==1.62.3" "grpcio-tools==1.62.3" "protobuf>=4.25,<5" \
+  "numpy" "requests" "aiohttp" "rich" "matplotlib" "pyyaml" "prometheus-client"
+
+echo "[py] verifying mooncake imports"
+python - <<'PY'
+import importlib, sys
+ok = True
+for m in ("mooncake.engine", "mooncake.store"):
+    try:
+        mod = importlib.import_module(m)
+        print(f"  OK  {m} -> {getattr(mod,'__file__','?')}")
+    except Exception as e:
+        ok = False
+        print(f"  ERR {m}: {e}")
+try:
+    from mooncake.store import MooncakeDistributedStore, ReplicateConfig  # noqa
+    print("  OK  MooncakeDistributedStore + ReplicateConfig")
+except Exception as e:
+    print(f"  WARN MooncakeDistributedStore/ReplicateConfig: {e}")
+try:
+    from mooncake.engine import TransferEngine
+    print("  OK  TransferEngine")
+except Exception as e:
+    print(f"  WARN TransferEngine: {e}")
+sys.exit(0 if ok else 1)
+PY
+echo "[py] done"
diff --git a/mooncake-integration/ollama/scripts/stack_down.sh b/mooncake-integration/ollama/scripts/stack_down.sh
new file mode 100644
index 00000000..60cf3d5a
--- /dev/null
+++ b/mooncake-integration/ollama/scripts/stack_down.sh
@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+# Tear down ONLY this workspace's services. Workspace-scoped so any co-located
+# environment on this machine is never touched.
+source "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/env.sh"
+
+# kill by recorded PIDs first
+for pf in "$OMB_RUN"/llama_*.pid "$OMB_RUN"/bridged.pid "$OMB_RUN"/store_proxy.pid; do
+  [ -f "$pf" ] || continue
+  pid=$(cat "$pf" 2>/dev/null || true)
+  [ -n "${pid:-}" ] && kill "$pid" 2>/dev/null || true
+  rm -f "$pf"
+done
+# belt-and-suspenders: match only command lines mentioning our state/source paths
+pkill -f "$OMB_RUN/bridged" 2>/dev/null || true
+pkill -f "$WS/store-proxy" 2>/dev/null || true
+pkill -f "slot-save-path $OMB_SLOTS" 2>/dev/null || true
+# master is on our unique port
+pkill -f "mooncake_master -port $OMB_MASTER_PORT" 2>/dev/null || true
+rm -f "$OMB_RUN/master.pid"
+echo "[stack] down (workspace-scoped)"
diff --git a/mooncake-integration/ollama/scripts/stack_up.sh b/mooncake-integration/ollama/scripts/stack_up.sh
new file mode 100644
index 00000000..be5a2711
--- /dev/null
+++ b/mooncake-integration/ollama/scripts/stack_up.sh
@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+# Bring up the full stack: master + store-proxy + N llama servers + sidecar.
+# Usage: stack_up.sh [num_servers=2] [tcp|rdma=rdma] [model_gguf] [ctx=40960]
+set -euo pipefail
+HERE="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+source "$HERE/env.sh"
+
+N="${1:-2}"; PROTO="${2:-rdma}"
+MODEL="${3:-$MODELS_DIR/qwen2.5-coder-1.5b-instruct-q4_k_m.gguf}"
+CTX="${4:-40960}"
+
+echo "==> master";       bash "$HERE/master_start.sh"
+echo "==> store proxy";  OMB_STORE_PROTOCOL="$PROTO" bash "$HERE/proxy_start.sh" "$PROTO"
+echo "==> $N llama servers";
+for i in $(seq 0 $((N-1))); do
+  bash "$HERE/llama_start.sh" "a$i" auto "$((OMB_LLAMA_PORT + i))" "$MODEL" "$CTX" 1
+done
+echo "==> sidecar";      bash "$HERE/bridged_start.sh" mooncake
+
+echo
+echo "stack is up:"
+echo "  master         127.0.0.1:$OMB_MASTER_PORT"
+echo "  store proxy    127.0.0.1:$OMB_STORE_PROXY_PORT  (proto=$PROTO)"
+for i in $(seq 0 $((N-1))); do echo "  llama a$i       127.0.0.1:$((OMB_LLAMA_PORT + i))"; done
+echo "  sidecar gRPC   127.0.0.1:$OMB_BRIDGE_GRPC_PORT"
+echo "  sidecar HTTP   127.0.0.1:$OMB_BRIDGE_HTTP_PORT  (/metrics /stats /healthz)"
+echo
+curl -fsS "http://127.0.0.1:$OMB_BRIDGE_HTTP_PORT/healthz" && echo
diff --git a/mooncake-integration/ollama/store-proxy/gen/__init__.py b/mooncake-integration/ollama/store-proxy/gen/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/mooncake-integration/ollama/store-proxy/gen/storeproxy_pb2.py b/mooncake-integration/ollama/store-proxy/gen/storeproxy_pb2.py
new file mode 100644
index 00000000..11739fc0
--- /dev/null
+++ b/mooncake-integration/ollama/store-proxy/gen/storeproxy_pb2.py
@@ -0,0 +1,59 @@
+# -*- coding: utf-8 -*-
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: storeproxy.proto
+# Protobuf Python Version: 4.25.1
+"""Generated protocol buffer code."""
+from google.protobuf import descriptor as _descriptor
+from google.protobuf import descriptor_pool as _descriptor_pool
+from google.protobuf import symbol_database as _symbol_database
+from google.protobuf.internal import builder as _builder
+# @@protoc_insertion_point(imports)
+
+_sym_db = _symbol_database.Default()
+
+
+
+
+DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x10storeproxy.proto\x12\rstoreproxy.v1\"\x0f\n\rHealthRequest\"l\n\x0bHealthReply\x12\n\n\x02ok\x18\x01 \x01(\x08\x12\x0f\n\x07\x62\x61\x63kend\x18\x02 \x01(\t\x12\x10\n\x08protocol\x18\x03 \x01(\t\x12\x0e\n\x06master\x18\x04 \x01(\t\x12\x0e\n\x06\x64\x65vice\x18\x05 \x01(\t\x12\x0e\n\x06\x64\x65tail\x18\x06 \x01(\t\"\x1d\n\rExistsRequest\x12\x0c\n\x04keys\x18\x01 \x03(\t\"\x1e\n\x0b\x45xistsReply\x12\x0f\n\x07present\x18\x01 \x03(\x05\"j\n\x0ePutFileRequest\x12\x0b\n\x03key\x18\x01 \x01(\t\x12\x0c\n\x04path\x18\x02 \x01(\t\x12\x13\n\x0breplica_num\x18\x03 \x01(\r\x12\x10\n\x08soft_pin\x18\x04 \x01(\x08\x12\x16\n\x0eskip_if_exists\x18\x05 \x01(\x08\"]\n\x0cPutFileReply\x12\n\n\x02ok\x18\x01 \x01(\x08\x12\r\n\x05\x62ytes\x18\x02 \x01(\x04\x12\x12\n\nelapsed_ms\x18\x03 \x01(\x01\x12\x0f\n\x07\x65xisted\x18\x04 \x01(\x08\x12\r\n\x05\x65rror\x18\x05 \x01(\t\"+\n\x0eGetFileRequest\x12\x0b\n\x03key\x18\x01 \x01(\t\x12\x0c\n\x04path\x18\x02 \x01(\t\"[\n\x0cGetFileReply\x12\n\n\x02ok\x18\x01 \x01(\x08\x12\r\n\x05\x62ytes\x18\x02 \x01(\x04\x12\x12\n\nelapsed_ms\x18\x03 \x01(\x01\x12\r\n\x05\x66ound\x18\x04 \x01(\x08\x12\r\n\x05\x65rror\x18\x05 \x01(\t\"T\n\x0fPutBytesRequest\x12\x0b\n\x03key\x18\x01 \x01(\t\x12\r\n\x05value\x18\x02 \x01(\x0c\x12\x13\n\x0breplica_num\x18\x03 \x01(\r\x12\x10\n\x08soft_pin\x18\x04 \x01(\x08\"M\n\rPutBytesReply\x12\n\n\x02ok\x18\x01 \x01(\x08\x12\r\n\x05\x62ytes\x18\x02 \x01(\x04\x12\x12\n\nelapsed_ms\x18\x03 \x01(\x01\x12\r\n\x05\x65rror\x18\x04 \x01(\t\"\x1e\n\x0fGetBytesRequest\x12\x0b\n\x03key\x18\x01 \x01(\t\"\\\n\rGetBytesReply\x12\n\n\x02ok\x18\x01 \x01(\x08\x12\r\n\x05value\x18\x02 \x01(\x0c\x12\x12\n\nelapsed_ms\x18\x03 \x01(\x01\x12\r\n\x05\x66ound\x18\x04 \x01(\x08\x12\r\n\x05\x65rror\x18\x05 \x01(\t\"+\n\rRemoveRequest\x12\x0b\n\x03key\x18\x01 \x01(\t\x12\r\n\x05\x66orce\x18\x02 \x01(\x08\"(\n\x0bRemoveReply\x12\n\n\x02ok\x18\x01 \x01(\x08\x12\r\n\x05\x65rror\x18\x02 \x01(\t\"\x0e\n\x0cStatsRequest\"\xa5\x01\n\nStatsReply\x12\x0f\n\x07put_ops\x18\x01 \x01(\x04\x12\x0f\n\x07get_ops\x18\x02 \x01(\x04\x12\x12\n\nexists_ops\x18\x03 \x01(\x04\x12\x11\n\tput_bytes\x18\x04 \x01(\x04\x12\x11\n\tget_bytes\x18\x05 \x01(\x04\x12\x14\n\x0cput_ms_total\x18\x06 \x01(\x01\x12\x14\n\x0cget_ms_total\x18\x07 \x01(\x01\x12\x0f\n\x07\x62\x61\x63kend\x18\x08 \x01(\t2\xbb\x04\n\nStoreProxy\x12\x42\n\x06Health\x12\x1c.storeproxy.v1.HealthRequest\x1a\x1a.storeproxy.v1.HealthReply\x12\x42\n\x06\x45xists\x12\x1c.storeproxy.v1.ExistsRequest\x1a\x1a.storeproxy.v1.ExistsReply\x12\x45\n\x07PutFile\x12\x1d.storeproxy.v1.PutFileRequest\x1a\x1b.storeproxy.v1.PutFileReply\x12\x45\n\x07GetFile\x12\x1d.storeproxy.v1.GetFileRequest\x1a\x1b.storeproxy.v1.GetFileReply\x12H\n\x08PutBytes\x12\x1e.storeproxy.v1.PutBytesRequest\x1a\x1c.storeproxy.v1.PutBytesReply\x12H\n\x08GetBytes\x12\x1e.storeproxy.v1.GetBytesRequest\x1a\x1c.storeproxy.v1.GetBytesReply\x12\x42\n\x06Remove\x12\x1c.storeproxy.v1.RemoveRequest\x1a\x1a.storeproxy.v1.RemoveReply\x12?\n\x05Stats\x12\x1b.storeproxy.v1.StatsRequest\x1a\x19.storeproxy.v1.StatsReplyBSZQgithub.com/mooncake-ai/ollama-mooncake-bridge/internal/storeproxy/pb;storeproxypbb\x06proto3')
+
+_globals = globals()
+_builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, _globals)
+_builder.BuildTopDescriptorsAndMessages(DESCRIPTOR, 'storeproxy_pb2', _globals)
+if _descriptor._USE_C_DESCRIPTORS == False:
+  _globals['DESCRIPTOR']._options = None
+  _globals['DESCRIPTOR']._serialized_options = b'ZQgithub.com/mooncake-ai/ollama-mooncake-bridge/internal/storeproxy/pb;storeproxypb'
+  _globals['_HEALTHREQUEST']._serialized_start=35
+  _globals['_HEALTHREQUEST']._serialized_end=50
+  _globals['_HEALTHREPLY']._serialized_start=52
+  _globals['_HEALTHREPLY']._serialized_end=160
+  _globals['_EXISTSREQUEST']._serialized_start=162
+  _globals['_EXISTSREQUEST']._serialized_end=191
+  _globals['_EXISTSREPLY']._serialized_start=193
+  _globals['_EXISTSREPLY']._serialized_end=223
+  _globals['_PUTFILEREQUEST']._serialized_start=225
+  _globals['_PUTFILEREQUEST']._serialized_end=331
+  _globals['_PUTFILEREPLY']._serialized_start=333
+  _globals['_PUTFILEREPLY']._serialized_end=426
+  _globals['_GETFILEREQUEST']._serialized_start=428
+  _globals['_GETFILEREQUEST']._serialized_end=471
+  _globals['_GETFILEREPLY']._serialized_start=473
+  _globals['_GETFILEREPLY']._serialized_end=564
+  _globals['_PUTBYTESREQUEST']._serialized_start=566
+  _globals['_PUTBYTESREQUEST']._serialized_end=650
+  _globals['_PUTBYTESREPLY']._serialized_start=652
+  _globals['_PUTBYTESREPLY']._serialized_end=729
+  _globals['_GETBYTESREQUEST']._serialized_start=731
+  _globals['_GETBYTESREQUEST']._serialized_end=761
+  _globals['_GETBYTESREPLY']._serialized_start=763
+  _globals['_GETBYTESREPLY']._serialized_end=855
+  _globals['_REMOVEREQUEST']._serialized_start=857
+  _globals['_REMOVEREQUEST']._serialized_end=900
+  _globals['_REMOVEREPLY']._serialized_start=902
+  _globals['_REMOVEREPLY']._serialized_end=942
+  _globals['_STATSREQUEST']._serialized_start=944
+  _globals['_STATSREQUEST']._serialized_end=958
+  _globals['_STATSREPLY']._serialized_start=961
+  _globals['_STATSREPLY']._serialized_end=1126
+  _globals['_STOREPROXY']._serialized_start=1129
+  _globals['_STOREPROXY']._serialized_end=1700
+# @@protoc_insertion_point(module_scope)
diff --git a/mooncake-integration/ollama/store-proxy/gen/storeproxy_pb2_grpc.py b/mooncake-integration/ollama/store-proxy/gen/storeproxy_pb2_grpc.py
new file mode 100644
index 00000000..0f27217b
--- /dev/null
+++ b/mooncake-integration/ollama/store-proxy/gen/storeproxy_pb2_grpc.py
@@ -0,0 +1,302 @@
+# Generated by the gRPC Python protocol compiler plugin. DO NOT EDIT!
+"""Client and server classes corresponding to protobuf-defined services."""
+import grpc
+
+from . import storeproxy_pb2 as storeproxy__pb2
+
+
+class StoreProxyStub(object):
+    """Missing associated documentation comment in .proto file."""
+
+    def __init__(self, channel):
+        """Constructor.
+
+        Args:
+            channel: A grpc.Channel.
+        """
+        self.Health = channel.unary_unary(
+                '/storeproxy.v1.StoreProxy/Health',
+                request_serializer=storeproxy__pb2.HealthRequest.SerializeToString,
+                response_deserializer=storeproxy__pb2.HealthReply.FromString,
+                )
+        self.Exists = channel.unary_unary(
+                '/storeproxy.v1.StoreProxy/Exists',
+                request_serializer=storeproxy__pb2.ExistsRequest.SerializeToString,
+                response_deserializer=storeproxy__pb2.ExistsReply.FromString,
+                )
+        self.PutFile = channel.unary_unary(
+                '/storeproxy.v1.StoreProxy/PutFile',
+                request_serializer=storeproxy__pb2.PutFileRequest.SerializeToString,
+                response_deserializer=storeproxy__pb2.PutFileReply.FromString,
+                )
+        self.GetFile = channel.unary_unary(
+                '/storeproxy.v1.StoreProxy/GetFile',
+                request_serializer=storeproxy__pb2.GetFileRequest.SerializeToString,
+                response_deserializer=storeproxy__pb2.GetFileReply.FromString,
+                )
+        self.PutBytes = channel.unary_unary(
+                '/storeproxy.v1.StoreProxy/PutBytes',
+                request_serializer=storeproxy__pb2.PutBytesRequest.SerializeToString,
+                response_deserializer=storeproxy__pb2.PutBytesReply.FromString,
+                )
+        self.GetBytes = channel.unary_unary(
+                '/storeproxy.v1.StoreProxy/GetBytes',
+                request_serializer=storeproxy__pb2.GetBytesRequest.SerializeToString,
+                response_deserializer=storeproxy__pb2.GetBytesReply.FromString,
+                )
+        self.Remove = channel.unary_unary(
+                '/storeproxy.v1.StoreProxy/Remove',
+                request_serializer=storeproxy__pb2.RemoveRequest.SerializeToString,
+                response_deserializer=storeproxy__pb2.RemoveReply.FromString,
+                )
+        self.Stats = channel.unary_unary(
+                '/storeproxy.v1.StoreProxy/Stats',
+                request_serializer=storeproxy__pb2.StatsRequest.SerializeToString,
+                response_deserializer=storeproxy__pb2.StatsReply.FromString,
+                )
+
+
+class StoreProxyServicer(object):
+    """Missing associated documentation comment in .proto file."""
+
+    def Health(self, request, context):
+        """Liveness + which backend/protocol/master is active.
+        """
+        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+        context.set_details('Method not implemented!')
+        raise NotImplementedError('Method not implemented!')
+
+    def Exists(self, request, context):
+        """Batched existence check (maps to mooncake batch_is_exist).
+        """
+        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+        context.set_details('Method not implemented!')
+        raise NotImplementedError('Method not implemented!')
+
+    def PutFile(self, request, context):
+        """Store a KV snapshot file under `key`.
+        """
+        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+        context.set_details('Method not implemented!')
+        raise NotImplementedError('Method not implemented!')
+
+    def GetFile(self, request, context):
+        """Materialize `key` into a local file at `path`.
+        """
+        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+        context.set_details('Method not implemented!')
+        raise NotImplementedError('Method not implemented!')
+
+    def PutBytes(self, request, context):
+        """Inline small-value variants (metadata, manifests).
+        """
+        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+        context.set_details('Method not implemented!')
+        raise NotImplementedError('Method not implemented!')
+
+    def GetBytes(self, request, context):
+        """Missing associated documentation comment in .proto file."""
+        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+        context.set_details('Method not implemented!')
+        raise NotImplementedError('Method not implemented!')
+
+    def Remove(self, request, context):
+        """Missing associated documentation comment in .proto file."""
+        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+        context.set_details('Method not implemented!')
+        raise NotImplementedError('Method not implemented!')
+
+    def Stats(self, request, context):
+        """Missing associated documentation comment in .proto file."""
+        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
+        context.set_details('Method not implemented!')
+        raise NotImplementedError('Method not implemented!')
+
+
+def add_StoreProxyServicer_to_server(servicer, server):
+    rpc_method_handlers = {
+            'Health': grpc.unary_unary_rpc_method_handler(
+                    servicer.Health,
+                    request_deserializer=storeproxy__pb2.HealthRequest.FromString,
+                    response_serializer=storeproxy__pb2.HealthReply.SerializeToString,
+            ),
+            'Exists': grpc.unary_unary_rpc_method_handler(
+                    servicer.Exists,
+                    request_deserializer=storeproxy__pb2.ExistsRequest.FromString,
+                    response_serializer=storeproxy__pb2.ExistsReply.SerializeToString,
+            ),
+            'PutFile': grpc.unary_unary_rpc_method_handler(
+                    servicer.PutFile,
+                    request_deserializer=storeproxy__pb2.PutFileRequest.FromString,
+                    response_serializer=storeproxy__pb2.PutFileReply.SerializeToString,
+            ),
+            'GetFile': grpc.unary_unary_rpc_method_handler(
+                    servicer.GetFile,
+                    request_deserializer=storeproxy__pb2.GetFileRequest.FromString,
+                    response_serializer=storeproxy__pb2.GetFileReply.SerializeToString,
+            ),
+            'PutBytes': grpc.unary_unary_rpc_method_handler(
+                    servicer.PutBytes,
+                    request_deserializer=storeproxy__pb2.PutBytesRequest.FromString,
+                    response_serializer=storeproxy__pb2.PutBytesReply.SerializeToString,
+            ),
+            'GetBytes': grpc.unary_unary_rpc_method_handler(
+                    servicer.GetBytes,
+                    request_deserializer=storeproxy__pb2.GetBytesRequest.FromString,
+                    response_serializer=storeproxy__pb2.GetBytesReply.SerializeToString,
+            ),
+            'Remove': grpc.unary_unary_rpc_method_handler(
+                    servicer.Remove,
+                    request_deserializer=storeproxy__pb2.RemoveRequest.FromString,
+                    response_serializer=storeproxy__pb2.RemoveReply.SerializeToString,
+            ),
+            'Stats': grpc.unary_unary_rpc_method_handler(
+                    servicer.Stats,
+                    request_deserializer=storeproxy__pb2.StatsRequest.FromString,
+                    response_serializer=storeproxy__pb2.StatsReply.SerializeToString,
+            ),
+    }
+    generic_handler = grpc.method_handlers_generic_handler(
+            'storeproxy.v1.StoreProxy', rpc_method_handlers)
+    server.add_generic_rpc_handlers((generic_handler,))
+
+
+ # This class is part of an EXPERIMENTAL API.
+class StoreProxy(object):
+    """Missing associated documentation comment in .proto file."""
+
+    @staticmethod
+    def Health(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.unary_unary(request, target, '/storeproxy.v1.StoreProxy/Health',
+            storeproxy__pb2.HealthRequest.SerializeToString,
+            storeproxy__pb2.HealthReply.FromString,
+            options, channel_credentials,
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
+
+    @staticmethod
+    def Exists(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.unary_unary(request, target, '/storeproxy.v1.StoreProxy/Exists',
+            storeproxy__pb2.ExistsRequest.SerializeToString,
+            storeproxy__pb2.ExistsReply.FromString,
+            options, channel_credentials,
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
+
+    @staticmethod
+    def PutFile(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.unary_unary(request, target, '/storeproxy.v1.StoreProxy/PutFile',
+            storeproxy__pb2.PutFileRequest.SerializeToString,
+            storeproxy__pb2.PutFileReply.FromString,
+            options, channel_credentials,
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
+
+    @staticmethod
+    def GetFile(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.unary_unary(request, target, '/storeproxy.v1.StoreProxy/GetFile',
+            storeproxy__pb2.GetFileRequest.SerializeToString,
+            storeproxy__pb2.GetFileReply.FromString,
+            options, channel_credentials,
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
+
+    @staticmethod
+    def PutBytes(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.unary_unary(request, target, '/storeproxy.v1.StoreProxy/PutBytes',
+            storeproxy__pb2.PutBytesRequest.SerializeToString,
+            storeproxy__pb2.PutBytesReply.FromString,
+            options, channel_credentials,
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
+
+    @staticmethod
+    def GetBytes(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.unary_unary(request, target, '/storeproxy.v1.StoreProxy/GetBytes',
+            storeproxy__pb2.GetBytesRequest.SerializeToString,
+            storeproxy__pb2.GetBytesReply.FromString,
+            options, channel_credentials,
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
+
+    @staticmethod
+    def Remove(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.unary_unary(request, target, '/storeproxy.v1.StoreProxy/Remove',
+            storeproxy__pb2.RemoveRequest.SerializeToString,
+            storeproxy__pb2.RemoveReply.FromString,
+            options, channel_credentials,
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
+
+    @staticmethod
+    def Stats(request,
+            target,
+            options=(),
+            channel_credentials=None,
+            call_credentials=None,
+            insecure=False,
+            compression=None,
+            wait_for_ready=None,
+            timeout=None,
+            metadata=None):
+        return grpc.experimental.unary_unary(request, target, '/storeproxy.v1.StoreProxy/Stats',
+            storeproxy__pb2.StatsRequest.SerializeToString,
+            storeproxy__pb2.StatsReply.FromString,
+            options, channel_credentials,
+            insecure, call_credentials, compression, wait_for_ready, timeout, metadata)
diff --git a/mooncake-integration/ollama/store-proxy/store_proxy.py b/mooncake-integration/ollama/store-proxy/store_proxy.py
new file mode 100644
index 00000000..95b31ab6
--- /dev/null
+++ b/mooncake-integration/ollama/store-proxy/store_proxy.py
@@ -0,0 +1,669 @@
+#!/usr/bin/env python3
+"""Mooncake Store Proxy
+====================
+
+A thin, *long-lived* gRPC service that owns one warm
+``mooncake.store.MooncakeDistributedStore`` handle and exposes it to the Go
+sidecar (which cannot link the Python bindings directly).
+
+Why a proxy instead of cgo?
+  * The official, battle-tested store client is the Python binding shipped in
+    the ``mooncake-transfer-engine`` wheel. Re-implementing it in cgo would be
+    fragile. The proxy lets the Go sidecar stay pure-Go while still driving the
+    *real* Mooncake Store (TCP or RDMA/GPUDirect).
+  * KV snapshots are multi-GiB. We pass **file paths**, not bytes: ``PutFile``
+    mmaps the slot-save file and stores it; ``GetFile`` materializes an object
+    straight into the slot-save directory. The blob is therefore copied at most
+    once (file <-> store) and never travels through the Go process.
+
+Backends:
+  * ``mooncake`` (default): the distributed store. ``--protocol tcp|rdma|auto``.
+  * ``local``: a filesystem-backed object store (no master needed). Used for the
+    "local file" baseline and for environments without a master.
+
+Everything stays under the workspace; no writes to ``/``.
+"""
+from __future__ import annotations
+
+import argparse
+import ctypes
+import logging
+import mmap
+import os
+import queue
+import shutil
+import sys
+import threading
+import time
+from concurrent import futures
+from dataclasses import dataclass, field
+
+import grpc
+
+sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
+from gen import storeproxy_pb2 as pb  # noqa: E402
+from gen import storeproxy_pb2_grpc as pb_grpc  # noqa: E402
+
+log = logging.getLogger("store-proxy")
+
+
+# --------------------------------------------------------------------------- #
+# Backend abstraction
+# --------------------------------------------------------------------------- #
+@dataclass
+class Stats:
+    put_ops: int = 0
+    get_ops: int = 0
+    exists_ops: int = 0
+    put_bytes: int = 0
+    get_bytes: int = 0
+    put_ms_total: float = 0.0
+    get_ms_total: float = 0.0
+    _lock: threading.Lock = field(default_factory=threading.Lock, repr=False)
+
+    def add_put(self, n: int, ms: float):
+        with self._lock:
+            self.put_ops += 1
+            self.put_bytes += n
+            self.put_ms_total += ms
+
+    def add_get(self, n: int, ms: float):
+        with self._lock:
+            self.get_ops += 1
+            self.get_bytes += n
+            self.get_ms_total += ms
+
+    def add_exists(self, n: int):
+        with self._lock:
+            self.exists_ops += n
+
+
+class Backend:
+    name = "base"
+    protocol = ""
+    master = ""
+    device = ""
+
+    def exists(self, keys): raise NotImplementedError
+    def put_file(self, key, path, replica_num, soft_pin, skip_if_exists): raise NotImplementedError
+    def get_file(self, key, path): raise NotImplementedError
+    def put_bytes(self, key, value, replica_num, soft_pin): raise NotImplementedError
+    def get_bytes(self, key): raise NotImplementedError
+    def remove(self, key, force): raise NotImplementedError
+    def close(self): pass
+
+
+class LocalBackend(Backend):
+    """Filesystem object store. Keys are hashed to safe file names."""
+    name = "local"
+
+    def __init__(self, root: str):
+        import hashlib
+        self._hash = hashlib.sha256
+        self.root = root
+        os.makedirs(root, exist_ok=True)
+        self.protocol = "file"
+        self.master = root
+
+    def _p(self, key: str) -> str:
+        h = self._hash(key.encode()).hexdigest()
+        return os.path.join(self.root, h[:2], h)
+
+    def exists(self, keys):
+        return [1 if os.path.exists(self._p(k)) else 0 for k in keys]
+
+    def put_file(self, key, path, replica_num, soft_pin, skip_if_exists):
+        dst = self._p(key)
+        if skip_if_exists and os.path.exists(dst):
+            return True, os.path.getsize(dst), True, ""
+        os.makedirs(os.path.dirname(dst), exist_ok=True)
+        tmp = dst + ".tmp"
+        shutil.copyfile(path, tmp)
+        os.replace(tmp, dst)
+        return True, os.path.getsize(dst), False, ""
+
+    def get_file(self, key, path):
+        src = self._p(key)
+        if not os.path.exists(src):
+            return False, 0, False, ""
+        os.makedirs(os.path.dirname(os.path.abspath(path)), exist_ok=True)
+        tmp = path + ".tmp"
+        shutil.copyfile(src, tmp)
+        os.replace(tmp, path)
+        return True, os.path.getsize(path), True, ""
+
+    def put_bytes(self, key, value, replica_num, soft_pin):
+        dst = self._p(key)
+        os.makedirs(os.path.dirname(dst), exist_ok=True)
+        with open(dst, "wb") as f:
+            f.write(value)
+        return True, len(value), ""
+
+    def get_bytes(self, key):
+        src = self._p(key)
+        if not os.path.exists(src):
+            return False, b"", False, ""
+        with open(src, "rb") as f:
+            return True, f.read(), True, ""
+
+    def remove(self, key, force):
+        try:
+            os.remove(self._p(key))
+        except FileNotFoundError:
+            pass
+        return True, ""
+
+
+def _ptr_of(mm) -> int:
+    """Raw address of an mmap region (for register_buffer / put_from / get_into)."""
+    return ctypes.addressof(ctypes.c_char.from_buffer(mm))
+
+
+class StagingPool:
+    """A pool of pre-registered host buffers for zero-copy RDMA transfers.
+
+    Registering RDMA memory (pinning pages) is expensive, so doing it per
+    operation throttled us to ~0.7 GB/s. Instead we register a handful of large
+    buffers ONCE at startup and reuse them, sustaining the full ~40 GB/s the NIC
+    can do. Each buffer is touched so its pages are resident before registration.
+    """
+
+    def __init__(self, store, count: int, size: int):
+        self.store = store
+        self.size = size
+        self.q: "queue.Queue" = queue.Queue()
+        self.bufs = []
+        for _ in range(count):
+            mm = mmap.mmap(-1, size)
+            ctypes.memset(_ptr_of(mm), 0, size)  # fault in pages before pinning
+            ptr = _ptr_of(mm)
+            r = store.register_buffer(ptr, size)
+            if r != 0:
+                raise RuntimeError(f"register_buffer failed: {r}")
+            self.bufs.append((mm, ptr))
+            self.q.put((mm, ptr))
+        log.info("staging pool: %d x %d MiB registered", count, size >> 20)
+
+    def acquire(self, timeout=None):
+        return self.q.get(timeout=timeout)
+
+    def release(self, item):
+        self.q.put(item)
+
+    def close(self):
+        for mm, ptr in self.bufs:
+            try:
+                self.store.unregister_buffer(ptr)
+            except Exception:  # noqa: BLE001
+                pass
+            mm.close()
+
+
+class MooncakeBackend(Backend):
+    """Wraps the real distributed store. One warm client, shared across RPCs.
+
+    KV blobs are stored *striped*: the data is split into <=stripe-byte chunks
+    transferred in parallel with batch_put_from / batch_get_into. We measured
+    single-object RDMA transfer collapsing from ~40 GB/s (<=128 MiB) to ~2 GB/s
+    (>=1 GiB), while striped batches sustain full bandwidth. A tiny JSON manifest
+    is stored under `key`; chunk i lives under f"{key}#{i}". This also makes the
+    physical layout independent of the semantic prefix-block size.
+    """
+    name = "mooncake"
+    _MANIFEST_MAGIC = b"OMBKVv1\n"
+
+    def __init__(self, args):
+        from mooncake.store import MooncakeDistributedStore, ReplicateConfig
+        self._RC = ReplicateConfig
+        self.protocol = args.protocol
+        self.master = args.master
+        self.device = args.device
+        self.stripe = max(1 << 20, args.stripe_mb << 20)
+        self.store = MooncakeDistributedStore()
+        cfg = {
+            "local_hostname": args.local_hostname,
+            "metadata_server": args.metadata,
+            "global_segment_size": args.global_segment_size,
+            "local_buffer_size": args.local_buffer_size,
+            "protocol": args.protocol,
+            "rdma_devices": args.device,
+            "master_server_addr": args.master,
+        }
+        log.info("store setup cfg=%s", cfg)
+        deadline = time.time() + args.setup_timeout
+        last = None
+        while True:
+            try:
+                ret = self.store.setup(cfg)
+                if ret == 0:
+                    break
+                last = RuntimeError(f"setup returned {ret}")
+            except Exception as e:  # noqa: BLE001
+                last = e
+            if time.time() > deadline:
+                raise RuntimeError(f"mooncake setup failed: {last}")
+            log.warning("store setup retry (%s)", last)
+            time.sleep(1.0)
+        # Pre-registered staging pool for zero-copy transfers (the perf fix).
+        self.pool = None
+        if args.staging_count > 0 and args.staging_mb > 0:
+            try:
+                self.pool = StagingPool(self.store, args.staging_count, args.staging_mb << 20)
+            except Exception as e:  # noqa: BLE001
+                log.warning("staging pool disabled (%s); falling back to per-op registration", e)
+        log.info("mooncake store ready (stripe=%dMiB, staging=%s)",
+                 self.stripe >> 20, "on" if self.pool else "off")
+
+    def _rc(self, replica_num, soft_pin):
+        rc = self._RC()
+        try:
+            rc.replica_num = max(1, int(replica_num) or 1)
+            rc.with_soft_pin = bool(soft_pin)
+        except Exception:  # noqa: BLE001
+            pass
+        return rc
+
+    def _chunk_keys(self, key, n):
+        return [f"{key}#{i}" for i in range(n)]
+
+    def exists(self, keys):
+        if not keys:
+            return []
+        return list(self.store.batch_is_exist(list(keys)))
+
+    def _stripe_layout(self, key, size):
+        n = max(1, (size + self.stripe - 1) // self.stripe)
+        keys = self._chunk_keys(key, n)
+        sizes = [min(self.stripe, size - i * self.stripe) for i in range(n)]
+        return n, keys, sizes
+
+    def put_file(self, key, path, replica_num, soft_pin, skip_if_exists):
+        if skip_if_exists and self.store.is_exist(key) == 1:
+            try:
+                sz = self._manifest_size(key)
+            except Exception:  # noqa: BLE001
+                sz = 0
+            return True, sz, True, ""
+        size = os.path.getsize(path)
+        rc = self._rc(replica_num, soft_pin)
+        n, keys, sizes = self._stripe_layout(key, size)
+
+        # Primary path: read the slot file into a pre-registered staging buffer
+        # (registration amortized once at startup) and RDMA from it. readinto on
+        # a tmpfs file is a fast page-cache copy that releases the GIL.
+        if self.pool is not None and size <= self.pool.size:
+            mm, base = self.pool.acquire()
+            try:
+                with open(path, "rb") as f:
+                    mv = memoryview(mm)
+                    off = 0
+                    while off < size:
+                        r = f.readinto(mv[off:size])
+                        if not r:
+                            break
+                        off += r
+                ptrs = [base + i * self.stripe for i in range(n)]
+                rets = self.store.batch_put_from(keys, ptrs, sizes, rc)
+                if any(r != 0 for r in rets):
+                    return False, 0, False, f"batch_put_from rets={rets}"
+            finally:
+                self.pool.release((mm, base))
+        else:
+            ok, err = self._put_unregistered(path, size, n, keys, sizes, rc)
+            if not ok:
+                return False, 0, False, err
+        man = self._MANIFEST_MAGIC + f'{{"n":{n},"size":{size},"chunk":{self.stripe}}}'.encode()
+        if self.store.put(key, man, rc) != 0:
+            return False, 0, False, "manifest put failed"
+        return True, size, False, ""
+
+    def _put_unregistered(self, path, size, n, keys, sizes, rc):
+        if size == 0:
+            return True, ""
+        with open(path, "r+b") as f:
+            mm = mmap.mmap(f.fileno(), size)
+            try:
+                base = _ptr_of(mm)
+                self.store.register_buffer(base, size)
+                try:
+                    ptrs = [base + i * self.stripe for i in range(n)]
+                    rets = self.store.batch_put_from(keys, ptrs, sizes, rc)
+                    if any(r != 0 for r in rets):
+                        return False, f"batch_put_from rets={rets}"
+                finally:
+                    self.store.unregister_buffer(base)
+            finally:
+                mm.close()
+        return True, ""
+
+    def _read_manifest(self, key):
+        data = self.store.get(key)
+        if not data or not bytes(data).startswith(self._MANIFEST_MAGIC):
+            return None
+        import json
+        return json.loads(bytes(data)[len(self._MANIFEST_MAGIC):].decode())
+
+    def _manifest_size(self, key):
+        m = self._read_manifest(key)
+        return m["size"] if m else 0
+
+    def get_file(self, key, path):
+        m = self._read_manifest(key)
+        if m is None:
+            return False, 0, False, ""
+        size, n, chunk = m["size"], m["n"], m["chunk"]
+        os.makedirs(os.path.dirname(os.path.abspath(path)), exist_ok=True)
+        tmp = path + ".tmp"
+        if size == 0:
+            with open(tmp, "wb") as f:
+                pass
+            os.replace(tmp, path)
+            return True, 0, True, ""
+        keys = self._chunk_keys(key, n)
+        sizes = [min(chunk, size - i * chunk) for i in range(n)]
+
+        # Primary path: RDMA into a pre-registered staging buffer (registration
+        # done once at startup, not per-op), then write it to the destination
+        # file. The file.write(memoryview) releases the GIL for the syscall, so
+        # concurrent restores overlap. Falls back to direct per-op registration
+        # when no pool is configured or the blob exceeds a staging buffer.
+        if self.pool is not None and size <= self.pool.size:
+            mm, base = self.pool.acquire()
+            try:
+                ptrs = [base + i * chunk for i in range(n)]
+                rets = self.store.batch_get_into(keys, ptrs, sizes)
+                if any(r < 0 for r in rets):
+                    # eviction/lease race -> recompute
+                    return False, 0, False, ""
+                with open(tmp, "wb") as f:
+                    f.write(memoryview(mm)[:size])
+            finally:
+                self.pool.release((mm, base))
+            os.replace(tmp, path)
+            return True, size, True, ""
+
+        ok, transient, err = self._get_unregistered(tmp, size, n, keys, chunk, sizes)
+        if not ok:
+            try:
+                os.remove(tmp)
+            except OSError:
+                pass
+            if transient:
+                # A chunk was evicted / its lease expired between the manifest
+                # read and the transfer. Report not-found so the caller falls
+                # back to recompute instead of failing the request.
+                return False, 0, False, ""
+            return False, 0, False, err
+        os.replace(tmp, path)
+        return True, size, True, ""
+
+    def _get_unregistered(self, tmp, size, n, keys, chunk, sizes):
+        """Returns (ok, transient, err). transient=True means an eviction/lease
+        race (recoverable by recompute), not a hard error."""
+        with open(tmp, "wb") as f:
+            f.truncate(size)
+        with open(tmp, "r+b") as f:
+            mm = mmap.mmap(f.fileno(), size)
+            try:
+                base = _ptr_of(mm)
+                self.store.register_buffer(base, size)
+                try:
+                    ptrs = [base + i * chunk for i in range(n)]
+                    rets = self.store.batch_get_into(keys, ptrs, sizes)
+                    if any(r < 0 for r in rets):
+                        # negative return == chunk missing/evicted/lease expired
+                        return False, True, f"batch_get_into rets={rets}"
+                finally:
+                    self.store.unregister_buffer(base)
+            finally:
+                mm.close()
+        return True, False, ""
+
+    def put_bytes(self, key, value, replica_num, soft_pin):
+        ret = self.store.put(key, value, self._rc(replica_num, soft_pin))
+        if ret != 0:
+            return False, 0, f"put returned {ret}"
+        return True, len(value), ""
+
+    def get_bytes(self, key):
+        data = self.store.get(key)
+        if not data:
+            return False, b"", False, ""
+        return True, bytes(data), True, ""
+
+    def remove(self, key, force):
+        # remove manifest + all chunks. Chunk count from manifest if present.
+        m = None
+        try:
+            m = self._read_manifest(key)
+        except Exception:  # noqa: BLE001
+            pass
+        keys = [key]
+        if m:
+            keys += self._chunk_keys(key, m["n"])
+        for k in keys:
+            try:
+                self.store.remove(k, True) if force else self.store.remove(k)
+            except Exception:  # noqa: BLE001
+                pass
+        return self.store.is_exist(key) != 1, ""
+
+    def close(self):
+        if self.pool is not None:
+            self.pool.close()
+        try:
+            self.store.close()
+        except Exception:  # noqa: BLE001
+            pass
+
+
+# --------------------------------------------------------------------------- #
+# gRPC servicer
+# --------------------------------------------------------------------------- #
+class StoreProxyServicer(pb_grpc.StoreProxyServicer):
+    def __init__(self, backend: Backend):
+        self.b = backend
+        self.stats = Stats()
+
+    def Health(self, request, context):
+        return pb.HealthReply(ok=True, backend=self.b.name, protocol=self.b.protocol,
+                              master=self.b.master, device=self.b.device, detail="ready")
+
+    def Exists(self, request, context):
+        res = self.b.exists(list(request.keys))
+        self.stats.add_exists(len(res))
+        return pb.ExistsReply(present=res)
+
+    def PutFile(self, request, context):
+        t0 = time.perf_counter()
+        try:
+            ok, n, existed, err = self.b.put_file(
+                request.key, request.path, request.replica_num,
+                request.soft_pin, request.skip_if_exists)
+        except Exception as e:  # noqa: BLE001
+            return pb.PutFileReply(ok=False, error=f"{e}")
+        ms = (time.perf_counter() - t0) * 1000
+        if ok and not existed:
+            self.stats.add_put(n, ms)
+        return pb.PutFileReply(ok=ok, bytes=n, elapsed_ms=ms, existed=existed, error=err)
+
+    def GetFile(self, request, context):
+        t0 = time.perf_counter()
+        try:
+            ok, n, found, err = self.b.get_file(request.key, request.path)
+        except Exception as e:  # noqa: BLE001
+            return pb.GetFileReply(ok=False, error=f"{e}")
+        ms = (time.perf_counter() - t0) * 1000
+        if ok:
+            self.stats.add_get(n, ms)
+        return pb.GetFileReply(ok=ok, bytes=n, elapsed_ms=ms, found=found, error=err)
+
+    def PutBytes(self, request, context):
+        t0 = time.perf_counter()
+        try:
+            ok, n, err = self.b.put_bytes(request.key, request.value, request.replica_num, request.soft_pin)
+        except Exception as e:  # noqa: BLE001
+            return pb.PutBytesReply(ok=False, error=f"{e}")
+        ms = (time.perf_counter() - t0) * 1000
+        if ok:
+            self.stats.add_put(n, ms)
+        return pb.PutBytesReply(ok=ok, bytes=n, elapsed_ms=ms, error=err)
+
+    def GetBytes(self, request, context):
+        t0 = time.perf_counter()
+        try:
+            ok, val, found, err = self.b.get_bytes(request.key)
+        except Exception as e:  # noqa: BLE001
+            return pb.GetBytesReply(ok=False, error=f"{e}")
+        ms = (time.perf_counter() - t0) * 1000
+        if ok:
+            self.stats.add_get(len(val), ms)
+        return pb.GetBytesReply(ok=ok, value=val, elapsed_ms=ms, found=found, error=err)
+
+    def Remove(self, request, context):
+        try:
+            ok, err = self.b.remove(request.key, request.force)
+        except Exception as e:  # noqa: BLE001
+            return pb.RemoveReply(ok=False, error=f"{e}")
+        return pb.RemoveReply(ok=ok, error=err)
+
+    def Stats(self, request, context):
+        s = self.stats
+        return pb.StatsReply(
+            put_ops=s.put_ops, get_ops=s.get_ops, exists_ops=s.exists_ops,
+            put_bytes=s.put_bytes, get_bytes=s.get_bytes,
+            put_ms_total=s.put_ms_total, get_ms_total=s.get_ms_total,
+            backend=self.b.name)
+
+
+def build_backend(args) -> Backend:
+    if args.backend == "local":
+        return LocalBackend(args.local_dir)
+    # Resolve protocol=auto.
+    if args.protocol == "auto":
+        if args.device and args.device != "":
+            args.protocol = "rdma"
+        else:
+            # Probe for RDMA devices.
+            has_rdma = os.path.isdir("/sys/class/infiniband") and bool(os.listdir("/sys/class/infiniband"))
+            if has_rdma:
+                args.protocol, args.device = "rdma", "auto-discovery"
+            else:
+                args.protocol = "tcp"
+        log.info("protocol=auto resolved to %s (device=%r)", args.protocol, args.device)
+    return MooncakeBackend(args)
+
+
+def main():
+    ap = argparse.ArgumentParser(description="Mooncake Store Proxy (gRPC)")
+    ap.add_argument("--listen", default="127.0.0.1:52060")
+    ap.add_argument("--backend", choices=["mooncake", "local"], default="mooncake")
+    ap.add_argument("--local-dir", default=os.environ.get("OMB_STORE_DATA", "./run/store"))
+    ap.add_argument("--master", default=os.environ.get("OMB_STORE_MASTER", "127.0.0.1:52061"))
+    ap.add_argument("--metadata", default=os.environ.get("OMB_STORE_META", "P2PHANDSHAKE"))
+    ap.add_argument("--protocol", default=os.environ.get("OMB_STORE_PROTOCOL", "tcp"),
+                    choices=["tcp", "rdma", "auto"])
+    ap.add_argument("--device", default=os.environ.get("OMB_STORE_DEVICE", ""))
+    ap.add_argument("--local-hostname", default=os.environ.get("OMB_STORE_HOST", "127.0.0.1"))
+    ap.add_argument("--global-segment-size", type=int, default=int(os.environ.get("OMB_STORE_SEGMENT", str(16 << 30))))
+    ap.add_argument("--local-buffer-size", type=int, default=int(os.environ.get("OMB_STORE_BUFFER", str(2 << 30))))
+    ap.add_argument("--stripe-mb", type=int, default=int(os.environ.get("OMB_STORE_STRIPE_MB", "64")),
+                    help="split KV blobs into <=N MiB chunks for parallel batch transfer")
+    ap.add_argument("--staging-mb", type=int, default=int(os.environ.get("OMB_STORE_STAGING_MB", "4096")),
+                    help="size of each pre-registered staging buffer (MiB); blobs above this use per-op registration")
+    ap.add_argument("--staging-count", type=int, default=int(os.environ.get("OMB_STORE_STAGING_COUNT", "3")),
+                    help="number of pre-registered staging buffers (concurrency of zero-copy transfers)")
+    ap.add_argument("--setup-timeout", type=float, default=60.0)
+    ap.add_argument("--max-workers", type=int, default=16)
+    ap.add_argument("--max-msg-mb", type=int, default=512)
+    ap.add_argument("--warmup", action="store_true", help="warm the client with a put/get so the first real op is fast")
+    ap.add_argument("--selftest", action="store_true")
+    args = ap.parse_args()
+
+    logging.basicConfig(level=logging.INFO, format="%(asctime)s store-proxy %(levelname)s %(message)s")
+
+    backend = build_backend(args)
+    log.info("backend=%s protocol=%s master=%s", backend.name, backend.protocol, backend.master)
+
+    if args.warmup or args.selftest:
+        _warmup(backend)
+    if args.selftest:
+        _selftest(backend)
+        backend.close()
+        return
+
+    opts = [
+        ("grpc.max_send_message_length", args.max_msg_mb << 20),
+        ("grpc.max_receive_message_length", args.max_msg_mb << 20),
+    ]
+    server = grpc.server(futures.ThreadPoolExecutor(max_workers=args.max_workers), options=opts)
+    pb_grpc.add_StoreProxyServicer_to_server(StoreProxyServicer(backend), server)
+    server.add_insecure_port(args.listen)
+    server.start()
+    log.info("StoreProxy listening on %s (backend=%s)", args.listen, backend.name)
+    try:
+        server.wait_for_termination()
+    except KeyboardInterrupt:
+        log.info("shutting down")
+        server.stop(2).wait()
+        backend.close()
+
+
+def _warmup(backend: Backend):
+    import tempfile
+    key = "omb:_warmup_"
+    with tempfile.NamedTemporaryFile(delete=False) as tf:
+        tf.write(b"warmup" * 4096)  # 24 KiB
+        p = tf.name
+    try:
+        t0 = time.perf_counter()
+        backend.put_file(key, p, 1, False, False)
+        t1 = time.perf_counter()
+        outp = p + ".out"
+        backend.get_file(key, outp)
+        t2 = time.perf_counter()
+        backend.remove(key, True)
+        log.info("warmup: put %.1fms get %.1fms", (t1 - t0) * 1e3, (t2 - t1) * 1e3)
+        for q in (p, p + ".out"):
+            try:
+                os.remove(q)
+            except OSError:
+                pass
+    except Exception as e:  # noqa: BLE001
+        log.warning("warmup failed: %s", e)
+
+
+def _selftest(backend: Backend):
+    import tempfile
+    log.info("=== selftest backend=%s ===", backend.name)
+    sizes = [1 << 20, 16 << 20, 128 << 20]  # 1MiB, 16MiB, 128MiB
+    for sz in sizes:
+        with tempfile.NamedTemporaryFile(delete=False) as tf:
+            tf.write(os.urandom(sz))
+            p = tf.name
+        key = f"omb:selftest:{sz}"
+        t0 = time.perf_counter()
+        ok, n, existed, err = backend.put_file(key, p, 1, True, False)
+        t1 = time.perf_counter()
+        assert ok, f"put failed: {err}"
+        outp = p + ".out"
+        ok, n2, found, err = backend.get_file(key, outp)
+        t2 = time.perf_counter()
+        assert ok and found, f"get failed: {err}"
+        import filecmp
+        same = filecmp.cmp(p, outp, shallow=False)
+        put_gbps = sz / (t1 - t0) / 1e9
+        get_gbps = sz / (t2 - t1) / 1e9
+        log.info("size=%6dMiB put=%7.1fms (%.2f GB/s) get=%7.1fms (%.2f GB/s) roundtrip_ok=%s",
+                 sz >> 20, (t1 - t0) * 1e3, put_gbps, (t2 - t1) * 1e3, get_gbps, same)
+        assert same, "roundtrip data mismatch!"
+        ex = backend.exists([key, key + ":absent"])
+        assert ex[0] == 1 and ex[1] == 0, f"exists wrong: {ex}"
+        backend.remove(key, True)
+        for q in (p, outp):
+            os.remove(q)
+    log.info("=== selftest PASSED ===")
+
+
+if __name__ == "__main__":
+    main()
diff --git a/mooncake-store/tests/offset_allocator_test.cpp b/mooncake-store/tests/offset_allocator_test.cpp
index d0e5519e..1cbbab52 100644
--- a/mooncake-store/tests/offset_allocator_test.cpp
+++ b/mooncake-store/tests/offset_allocator_test.cpp
@@ -865,7 +865,7 @@ TEST_F(OffsetAllocatorTest, RandomSmallAllocWithLargeAllocatorSize) {
     }
 }
 
-// ========== EDGE CASE TESTS, Generated by AI ==========
+// ========== EDGE CASE TESTS ==========
 
 // Test zero size allocation - should fail
 TEST_F(OffsetAllocatorTest, ZeroSizeAllocation) {
@@ -1008,7 +1008,7 @@ TEST_F(OffsetAllocatorTest, PowerOfTwoAllocation) {
     }
 }
 
-// ========== BIN SYSTEM TESTS, Generated by AI ==========
+// ========== BIN SYSTEM TESTS ==========
 
 // Test bin size calculations and selection
 TEST_F(OffsetAllocatorTest, BinSizeCalculation) {