diff --git a/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/dsv4/sglang/gb200-fp4/agentx/disagg-gb200-1p1d-dep16-dep32-c256-mtp-kvoffload.yaml b/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/dsv4/sglang/gb200-fp4/agentx/disagg-gb200-1p1d-dep16-dep32-c256-mtp-kvoffload.yaml
index 9a2b0265a1..541934f0af 100644
--- a/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/dsv4/sglang/gb200-fp4/agentx/disagg-gb200-1p1d-dep16-dep32-c256-mtp-kvoffload.yaml
+++ b/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/dsv4/sglang/gb200-fp4/agentx/disagg-gb200-1p1d-dep16-dep32-c256-mtp-kvoffload.yaml
@@ -18,6 +18,11 @@ slurm:
 health_check:
   max_attempts: 1440
   interval_seconds: 10
+# Tachometer's per-node exporters slow decode steps by a few percent and add
+# host memory on the head node; this ladder is a throughput measurement.
+observability:
+  tachometer:
+    enabled: false
 resources:
   gpu_type: gb200
   gpus_per_node: 4
@@ -32,6 +37,54 @@ services:
     node: dedicated
   options:
     max_payload_mb: 32
+- name: mooncake-master
+  type: mooncake-master
+  args:
+    - --eviction_high_watermark_ratio=0.90
+# Decode ranks use a chunk cache, so their host DRAM only joins the store
+# through standalone stores: four per decode node, so segments stay uniform
+# with prefill's per-rank ones instead of one oversized segment per node.
+- &decode-store
+  name: store-decode-0
+  type: mooncake-store
+  placement:
+    node: decode
+  args: ["--port", "8800"]
+  env:
+    MOONCAKE_PROTOCOL: rdma
+    MOONCAKE_DEVICE: "mlx5_0,mlx5_1,mlx5_2,mlx5_3"
+    MOONCAKE_GLOBAL_SEGMENT_SIZE: 180gb
+    MC_STORE_CLIENT_METRIC_INTERVAL: '5'
+    MC_ENABLE_DEST_DEVICE_AFFINITY: '1'
+    # Advertise the store transfer engine on the node address instead of the first active
+    # interface, which can be a BMC Redfish host interface (the same 10.0.1.2 on every node).
+    MC_TCP_BIND_ADDRESS: "{node_ip}"
+  preamble: |
+    ulimit -n 1048576
+    ulimit -l unlimited
+  # Cold container starts on a decode node can exceed srtctl's 120 s default;
+  # the <<: merge is shallow, so every store repeats the timeout.
+  readiness:
+    port: 8800
+    timeout_seconds: 600
+- <<: *decode-store
+  name: store-decode-1
+  args: ["--port", "8801"]
+  readiness:
+    port: 8801
+    timeout_seconds: 600
+- <<: *decode-store
+  name: store-decode-2
+  args: ["--port", "8802"]
+  readiness:
+    port: 8802
+    timeout_seconds: 600
+- <<: *decode-store
+  name: store-decode-3
+  args: ["--port", "8803"]
+  readiness:
+    port: 8803
+    timeout_seconds: 600
 frontend:
   type: dynamo
   nginx_session_affinity: true
@@ -84,6 +137,18 @@ roles:
       SGLANG_REQUEST_STATE_WAIT_TIMEOUT: '60'
       SGLANG_NCCL_ALL_GATHER_IN_OVERLAP_SCHEDULER_SYNC_BATCH: '1'
       SGLANG_DSV4_MHC_PREWARM: '1'
+      MOONCAKE_PROTOCOL: rdma
+      # The store only registers host buffers on RDMA; without an explicit list it
+      # falls back to NVLink for same-domain peers and aborts at the warmup put.
+      MOONCAKE_DEVICE: "mlx5_0,mlx5_1,mlx5_2,mlx5_3"
+      MOONCAKE_GLOBAL_SEGMENT_SIZE: 140gb
+      MOONCAKE_STANDALONE_STORAGE: '0'
+      MC_STORE_CLIENT_METRIC_INTERVAL: '5'
+      MC_ENABLE_DEST_DEVICE_AFFINITY: '1'
+      # Advertise the store transfer engine on the node address instead of the first active
+      # interface, which can be a BMC Redfish host interface (the same 10.0.1.2 on every node).
+      MC_TCP_BIND_ADDRESS: "{node}"
+      WITH_NVIDIA_PEERMEM: '0'
     args:
       host: 0.0.0.0
       served-model-name: deepseek-ai/DeepSeek-V4-Pro-0813
@@ -117,11 +182,9 @@ roles:
       speculative-num-steps: 1
       speculative-eagle-topk: 1
       speculative-num-draft-tokens: 7
-      enable-hierarchical-cache: true
-      hicache-write-policy: write_back
-      hicache-ratio: 2
-      hicache-io-backend: direct
-      hicache-mem-layout: page_first_direct
+      enable-unified-cache-external-linker: true
+      unified-cache-external-linker-backend: mooncake
+      hicache-storage-backend-extra-config: '{"enable_group_semantics":true}'
       cuda-graph-max-bs-decode: 256
   decode:
     nodes: 8
@@ -157,6 +220,8 @@ roles:
       SGLANG_LOG_MS: '1'
       SGLANG_REQUEST_STATE_WAIT_TIMEOUT: '60'
       SGLANG_DSV4_MHC_PREWARM: '1'
+      MC_ENABLE_DEST_DEVICE_AFFINITY: '1'
+      WITH_NVIDIA_PEERMEM: '0'
     args:
       host: 0.0.0.0
       served-model-name: deepseek-ai/DeepSeek-V4-Pro-0813
@@ -199,6 +264,10 @@ srun_options:
 benchmark:
   type: custom
   command: bash /infmax-workspace/benchmarks/srt_agentic.sh
+  # The replay client holds ~300 GB of host memory; on the default head node it
+  # shares prefill_0's node and OOMs it. Put it on the etcd/nats node instead.
+  placement:
+    node: dedicated
   env:
     INFMAX_CONTAINER_WORKSPACE: /infmax-workspace
     RESULT_DIR: /logs/agentic
diff --git a/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/dsv4/sglang/gb200-fp4/agentx/disagg-gb200-1p1d-dep8-dep16-c128-mtp-kvoffload.yaml b/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/dsv4/sglang/gb200-fp4/agentx/disagg-gb200-1p1d-dep8-dep16-c128-mtp-kvoffload.yaml
index 9461990907..a44d935fda 100644
--- a/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/dsv4/sglang/gb200-fp4/agentx/disagg-gb200-1p1d-dep8-dep16-c128-mtp-kvoffload.yaml
+++ b/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/dsv4/sglang/gb200-fp4/agentx/disagg-gb200-1p1d-dep8-dep16-c128-mtp-kvoffload.yaml
@@ -2,7 +2,7 @@ schema: 2
 name: "disagg-gb200-1p1d-dep8-dep16-c128-mtp-kvoffload"
 
 # GB200 AgentX SGLang disaggregated recipe for DeepSeek-V4-Pro-0813
-# (1P x DEP8 / 1D x DEP16, bundled DSpark K=6 + HiCache KV offload), tuned for
+# (1P x DEP8 / 1D x DEP16, bundled DSpark K=6 + Mooncake unified-cache KV offload), tuned for
 # concurrency 128.
 # The DEP8 prefill worker spans two nodes; the DEP16 decode worker spans four.
 
@@ -28,6 +28,11 @@ health_check:
   max_attempts: 1440
   interval_seconds: 10
 
+# Tachometer's per-node exporters slow decode steps by a few percent and add
+# host memory on the head node; this ladder is a throughput measurement.
+observability:
+  tachometer:
+    enabled: false
 resources:
   gpu_type: gb200
   gpus_per_node: 4
@@ -42,6 +47,54 @@ services:
       node: dedicated
     options:
       max_payload_mb: 32
+  - name: mooncake-master
+    type: mooncake-master
+    args:
+      - --eviction_high_watermark_ratio=0.90
+  # Decode ranks use a chunk cache, so their host DRAM only joins the store
+  # through standalone stores: four per decode node, so segments stay uniform
+  # with prefill's per-rank ones instead of one oversized segment per node.
+  - &decode-store
+    name: store-decode-0
+    type: mooncake-store
+    placement:
+      node: decode
+    args: ["--port", "8800"]
+    env:
+      MOONCAKE_PROTOCOL: rdma
+      MOONCAKE_DEVICE: "mlx5_0,mlx5_1,mlx5_2,mlx5_3"
+      MOONCAKE_GLOBAL_SEGMENT_SIZE: 180gb
+      MC_STORE_CLIENT_METRIC_INTERVAL: '5'
+      MC_ENABLE_DEST_DEVICE_AFFINITY: '1'
+      # Advertise the store transfer engine on the node address instead of the first active
+      # interface, which can be a BMC Redfish host interface (the same 10.0.1.2 on every node).
+      MC_TCP_BIND_ADDRESS: "{node_ip}"
+    preamble: |
+      ulimit -n 1048576
+      ulimit -l unlimited
+    # Cold container starts on a decode node can exceed srtctl's 120 s default;
+    # the <<: merge is shallow, so every store repeats the timeout.
+    readiness:
+      port: 8800
+      timeout_seconds: 600
+  - <<: *decode-store
+    name: store-decode-1
+    args: ["--port", "8801"]
+    readiness:
+      port: 8801
+      timeout_seconds: 600
+  - <<: *decode-store
+    name: store-decode-2
+    args: ["--port", "8802"]
+    readiness:
+      port: 8802
+      timeout_seconds: 600
+  - <<: *decode-store
+    name: store-decode-3
+    args: ["--port", "8803"]
+    readiness:
+      port: 8803
+      timeout_seconds: 600
 frontend:
   type: dynamo
   nginx_session_affinity: true
@@ -95,6 +148,18 @@ roles:
       SGLANG_LOG_MS: '1'
       SGLANG_REQUEST_STATE_WAIT_TIMEOUT: '60'
       SGLANG_NCCL_ALL_GATHER_IN_OVERLAP_SCHEDULER_SYNC_BATCH: '1'
+      MOONCAKE_PROTOCOL: rdma
+      # The store only registers host buffers on RDMA; without an explicit list it
+      # falls back to NVLink for same-domain peers and aborts at the warmup put.
+      MOONCAKE_DEVICE: "mlx5_0,mlx5_1,mlx5_2,mlx5_3"
+      MOONCAKE_GLOBAL_SEGMENT_SIZE: 140gb
+      MOONCAKE_STANDALONE_STORAGE: '0'
+      MC_STORE_CLIENT_METRIC_INTERVAL: '5'
+      MC_ENABLE_DEST_DEVICE_AFFINITY: '1'
+      # Advertise the store transfer engine on the node address instead of the first active
+      # interface, which can be a BMC Redfish host interface (the same 10.0.1.2 on every node).
+      MC_TCP_BIND_ADDRESS: "{node}"
+      WITH_NVIDIA_PEERMEM: '0'
 
     args:
       host: 0.0.0.0
@@ -130,11 +195,9 @@ roles:
       speculative-num-steps: 1
       speculative-eagle-topk: 1
       speculative-num-draft-tokens: 7
-      enable-hierarchical-cache: true
-      hicache-write-policy: write_back
-      hicache-ratio: 8
-      hicache-io-backend: direct
-      hicache-mem-layout: page_first_direct
+      enable-unified-cache-external-linker: true
+      unified-cache-external-linker-backend: mooncake
+      hicache-storage-backend-extra-config: '{"enable_group_semantics":true}'
 
   decode:
     nodes: 4
@@ -169,6 +232,8 @@ roles:
       SGLANG_LOG_FORWARD_ITERS: '1'
       SGLANG_LOG_MS: '1'
       SGLANG_REQUEST_STATE_WAIT_TIMEOUT: '60'
+      MC_ENABLE_DEST_DEVICE_AFFINITY: '1'
+      WITH_NVIDIA_PEERMEM: '0'
 
     args:
       host: 0.0.0.0
@@ -215,6 +280,10 @@ srun_options:
 benchmark:
   type: custom
   command: bash /infmax-workspace/benchmarks/srt_agentic.sh
+  # The replay client holds ~300 GB of host memory; on the default head node it
+  # shares prefill_0's node and OOMs it. Put it on the etcd/nats node instead.
+  placement:
+    node: dedicated
   env:
     INFMAX_CONTAINER_WORKSPACE: /infmax-workspace
     RESULT_DIR: /logs/agentic
diff --git a/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/dsv4/sglang/gb200-fp4/agentx/disagg-gb200-1p1d-dep8-dep16-c64-mtp-kvoffload.yaml b/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/dsv4/sglang/gb200-fp4/agentx/disagg-gb200-1p1d-dep8-dep16-c64-mtp-kvoffload.yaml
index d3bcb51688..f0181c16ad 100644
--- a/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/dsv4/sglang/gb200-fp4/agentx/disagg-gb200-1p1d-dep8-dep16-c64-mtp-kvoffload.yaml
+++ b/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/dsv4/sglang/gb200-fp4/agentx/disagg-gb200-1p1d-dep8-dep16-c64-mtp-kvoffload.yaml
@@ -2,7 +2,7 @@ schema: 2
 name: "disagg-gb200-1p1d-dep8-dep16-c64-mtp-kvoffload"
 
 # GB200 AgentX SGLang disaggregated recipe for DeepSeek-V4-Pro-0813
-# (1P x DEP8 / 1D x DEP16, bundled DSpark K=6 + HiCache KV offload), tuned for
+# (1P x DEP8 / 1D x DEP16, bundled DSpark K=6 + Mooncake unified-cache KV offload), tuned for
 # concurrency 64.
 # The DEP8 prefill worker spans two nodes; the DEP16 decode worker spans four.
 
@@ -28,6 +28,11 @@ health_check:
   max_attempts: 1440
   interval_seconds: 10
 
+# Tachometer's per-node exporters slow decode steps by a few percent and add
+# host memory on the head node; this ladder is a throughput measurement.
+observability:
+  tachometer:
+    enabled: false
 resources:
   gpu_type: gb200
   gpus_per_node: 4
@@ -42,6 +47,54 @@ services:
       node: dedicated
     options:
       max_payload_mb: 32
+  - name: mooncake-master
+    type: mooncake-master
+    args:
+      - --eviction_high_watermark_ratio=0.90
+  # Decode ranks use a chunk cache, so their host DRAM only joins the store
+  # through standalone stores: four per decode node, so segments stay uniform
+  # with prefill's per-rank ones instead of one oversized segment per node.
+  - &decode-store
+    name: store-decode-0
+    type: mooncake-store
+    placement:
+      node: decode
+    args: ["--port", "8800"]
+    env:
+      MOONCAKE_PROTOCOL: rdma
+      MOONCAKE_DEVICE: "mlx5_0,mlx5_1,mlx5_2,mlx5_3"
+      MOONCAKE_GLOBAL_SEGMENT_SIZE: 180gb
+      MC_STORE_CLIENT_METRIC_INTERVAL: '5'
+      MC_ENABLE_DEST_DEVICE_AFFINITY: '1'
+      # Advertise the store transfer engine on the node address instead of the first active
+      # interface, which can be a BMC Redfish host interface (the same 10.0.1.2 on every node).
+      MC_TCP_BIND_ADDRESS: "{node_ip}"
+    preamble: |
+      ulimit -n 1048576
+      ulimit -l unlimited
+    # Cold container starts on a decode node can exceed srtctl's 120 s default;
+    # the <<: merge is shallow, so every store repeats the timeout.
+    readiness:
+      port: 8800
+      timeout_seconds: 600
+  - <<: *decode-store
+    name: store-decode-1
+    args: ["--port", "8801"]
+    readiness:
+      port: 8801
+      timeout_seconds: 600
+  - <<: *decode-store
+    name: store-decode-2
+    args: ["--port", "8802"]
+    readiness:
+      port: 8802
+      timeout_seconds: 600
+  - <<: *decode-store
+    name: store-decode-3
+    args: ["--port", "8803"]
+    readiness:
+      port: 8803
+      timeout_seconds: 600
 frontend:
   type: dynamo
   nginx_session_affinity: true
@@ -95,6 +148,18 @@ roles:
       SGLANG_LOG_MS: '1'
       SGLANG_REQUEST_STATE_WAIT_TIMEOUT: '60'
       SGLANG_NCCL_ALL_GATHER_IN_OVERLAP_SCHEDULER_SYNC_BATCH: '1'
+      MOONCAKE_PROTOCOL: rdma
+      # The store only registers host buffers on RDMA; without an explicit list it
+      # falls back to NVLink for same-domain peers and aborts at the warmup put.
+      MOONCAKE_DEVICE: "mlx5_0,mlx5_1,mlx5_2,mlx5_3"
+      MOONCAKE_GLOBAL_SEGMENT_SIZE: 140gb
+      MOONCAKE_STANDALONE_STORAGE: '0'
+      MC_STORE_CLIENT_METRIC_INTERVAL: '5'
+      MC_ENABLE_DEST_DEVICE_AFFINITY: '1'
+      # Advertise the store transfer engine on the node address instead of the first active
+      # interface, which can be a BMC Redfish host interface (the same 10.0.1.2 on every node).
+      MC_TCP_BIND_ADDRESS: "{node}"
+      WITH_NVIDIA_PEERMEM: '0'
 
     args:
       host: 0.0.0.0
@@ -130,11 +195,9 @@ roles:
       speculative-num-steps: 1
       speculative-eagle-topk: 1
       speculative-num-draft-tokens: 7
-      enable-hierarchical-cache: true
-      hicache-write-policy: write_back
-      hicache-ratio: 8
-      hicache-io-backend: direct
-      hicache-mem-layout: page_first_direct
+      enable-unified-cache-external-linker: true
+      unified-cache-external-linker-backend: mooncake
+      hicache-storage-backend-extra-config: '{"enable_group_semantics":true}'
 
   decode:
     nodes: 4
@@ -169,6 +232,8 @@ roles:
       SGLANG_LOG_FORWARD_ITERS: '1'
       SGLANG_LOG_MS: '1'
       SGLANG_REQUEST_STATE_WAIT_TIMEOUT: '60'
+      MC_ENABLE_DEST_DEVICE_AFFINITY: '1'
+      WITH_NVIDIA_PEERMEM: '0'
 
     args:
       host: 0.0.0.0
@@ -215,6 +280,10 @@ srun_options:
 benchmark:
   type: custom
   command: bash /infmax-workspace/benchmarks/srt_agentic.sh
+  # The replay client holds ~300 GB of host memory; on the default head node it
+  # shares prefill_0's node and OOMs it. Put it on the etcd/nats node instead.
+  placement:
+    node: dedicated
   env:
     INFMAX_CONTAINER_WORKSPACE: /infmax-workspace
     RESULT_DIR: /logs/agentic
diff --git a/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/dsv4/sglang/gb200-fp4/agentx/disagg-gb200-2p1d-dep16-dep32-c1024-mtp-kvoffload.yaml b/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/dsv4/sglang/gb200-fp4/agentx/disagg-gb200-2p1d-dep16-dep32-c1024-mtp-kvoffload.yaml
index 5a21654eb0..f1672f9e54 100644
--- a/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/dsv4/sglang/gb200-fp4/agentx/disagg-gb200-2p1d-dep16-dep32-c1024-mtp-kvoffload.yaml
+++ b/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/dsv4/sglang/gb200-fp4/agentx/disagg-gb200-2p1d-dep16-dep32-c1024-mtp-kvoffload.yaml
@@ -18,6 +18,11 @@ slurm:
 health_check:
   max_attempts: 1440
   interval_seconds: 10
+# Tachometer's per-node exporters slow decode steps by a few percent and add
+# host memory on the head node; this ladder is a throughput measurement.
+observability:
+  tachometer:
+    enabled: false
 resources:
   gpu_type: gb200
   gpus_per_node: 4
@@ -32,6 +37,54 @@ services:
     node: dedicated
   options:
     max_payload_mb: 32
+- name: mooncake-master
+  type: mooncake-master
+  args:
+    - --eviction_high_watermark_ratio=0.90
+# Decode ranks use a chunk cache, so their host DRAM only joins the store
+# through standalone stores: four per decode node, so segments stay uniform
+# with prefill's per-rank ones instead of one oversized segment per node.
+- &decode-store
+  name: store-decode-0
+  type: mooncake-store
+  placement:
+    node: decode
+  args: ["--port", "8800"]
+  env:
+    MOONCAKE_PROTOCOL: rdma
+    MOONCAKE_DEVICE: "mlx5_0,mlx5_1,mlx5_2,mlx5_3"
+    MOONCAKE_GLOBAL_SEGMENT_SIZE: 180gb
+    MC_STORE_CLIENT_METRIC_INTERVAL: '5'
+    MC_ENABLE_DEST_DEVICE_AFFINITY: '1'
+    # Advertise the store transfer engine on the node address instead of the first active
+    # interface, which can be a BMC Redfish host interface (the same 10.0.1.2 on every node).
+    MC_TCP_BIND_ADDRESS: "{node_ip}"
+  preamble: |
+    ulimit -n 1048576
+    ulimit -l unlimited
+  # Cold container starts on a decode node can exceed srtctl's 120 s default;
+  # the <<: merge is shallow, so every store repeats the timeout.
+  readiness:
+    port: 8800
+    timeout_seconds: 600
+- <<: *decode-store
+  name: store-decode-1
+  args: ["--port", "8801"]
+  readiness:
+    port: 8801
+    timeout_seconds: 600
+- <<: *decode-store
+  name: store-decode-2
+  args: ["--port", "8802"]
+  readiness:
+    port: 8802
+    timeout_seconds: 600
+- <<: *decode-store
+  name: store-decode-3
+  args: ["--port", "8803"]
+  readiness:
+    port: 8803
+    timeout_seconds: 600
 frontend:
   type: dynamo
   nginx_session_affinity: true
@@ -84,6 +137,18 @@ roles:
       SGLANG_REQUEST_STATE_WAIT_TIMEOUT: '60'
       SGLANG_NCCL_ALL_GATHER_IN_OVERLAP_SCHEDULER_SYNC_BATCH: '1'
       SGLANG_DSV4_MHC_PREWARM: '1'
+      MOONCAKE_PROTOCOL: rdma
+      # The store only registers host buffers on RDMA; without an explicit list it
+      # falls back to NVLink for same-domain peers and aborts at the warmup put.
+      MOONCAKE_DEVICE: "mlx5_0,mlx5_1,mlx5_2,mlx5_3"
+      MOONCAKE_GLOBAL_SEGMENT_SIZE: 140gb
+      MOONCAKE_STANDALONE_STORAGE: '0'
+      MC_STORE_CLIENT_METRIC_INTERVAL: '5'
+      MC_ENABLE_DEST_DEVICE_AFFINITY: '1'
+      # Advertise the store transfer engine on the node address instead of the first active
+      # interface, which can be a BMC Redfish host interface (the same 10.0.1.2 on every node).
+      MC_TCP_BIND_ADDRESS: "{node}"
+      WITH_NVIDIA_PEERMEM: '0'
     args:
       host: 0.0.0.0
       served-model-name: deepseek-ai/DeepSeek-V4-Pro-0813
@@ -117,11 +182,9 @@ roles:
       speculative-num-steps: 1
       speculative-eagle-topk: 1
       speculative-num-draft-tokens: 7
-      enable-hierarchical-cache: true
-      hicache-write-policy: write_back
-      hicache-ratio: 2
-      hicache-io-backend: direct
-      hicache-mem-layout: page_first_direct
+      enable-unified-cache-external-linker: true
+      unified-cache-external-linker-backend: mooncake
+      hicache-storage-backend-extra-config: '{"enable_group_semantics":true}'
       cuda-graph-max-bs-decode: 256
   decode:
     nodes: 8
@@ -157,6 +220,8 @@ roles:
       SGLANG_LOG_MS: '1'
       SGLANG_REQUEST_STATE_WAIT_TIMEOUT: '60'
       SGLANG_DSV4_MHC_PREWARM: '1'
+      MC_ENABLE_DEST_DEVICE_AFFINITY: '1'
+      WITH_NVIDIA_PEERMEM: '0'
     args:
       host: 0.0.0.0
       served-model-name: deepseek-ai/DeepSeek-V4-Pro-0813
@@ -199,6 +264,10 @@ srun_options:
 benchmark:
   type: custom
   command: bash /infmax-workspace/benchmarks/srt_agentic.sh
+  # The replay client holds ~300 GB of host memory; on the default head node it
+  # shares prefill_0's node and OOMs it. Put it on the etcd/nats node instead.
+  placement:
+    node: dedicated
   env:
     INFMAX_CONTAINER_WORKSPACE: /infmax-workspace
     RESULT_DIR: /logs/agentic
diff --git a/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/dsv4/sglang/gb200-fp4/agentx/disagg-gb200-2p1d-dep16-dep32-c1280-mtp-kvoffload.yaml b/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/dsv4/sglang/gb200-fp4/agentx/disagg-gb200-2p1d-dep16-dep32-c1280-mtp-kvoffload.yaml
index c597addbe6..ac2ed56b08 100644
--- a/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/dsv4/sglang/gb200-fp4/agentx/disagg-gb200-2p1d-dep16-dep32-c1280-mtp-kvoffload.yaml
+++ b/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/dsv4/sglang/gb200-fp4/agentx/disagg-gb200-2p1d-dep16-dep32-c1280-mtp-kvoffload.yaml
@@ -18,6 +18,11 @@ slurm:
 health_check:
   max_attempts: 1440
   interval_seconds: 10
+# Tachometer's per-node exporters slow decode steps by a few percent and add
+# host memory on the head node; this ladder is a throughput measurement.
+observability:
+  tachometer:
+    enabled: false
 resources:
   gpu_type: gb200
   gpus_per_node: 4
@@ -32,6 +37,54 @@ services:
     node: dedicated
   options:
     max_payload_mb: 32
+- name: mooncake-master
+  type: mooncake-master
+  args:
+    - --eviction_high_watermark_ratio=0.90
+# Decode ranks use a chunk cache, so their host DRAM only joins the store
+# through standalone stores: four per decode node, so segments stay uniform
+# with prefill's per-rank ones instead of one oversized segment per node.
+- &decode-store
+  name: store-decode-0
+  type: mooncake-store
+  placement:
+    node: decode
+  args: ["--port", "8800"]
+  env:
+    MOONCAKE_PROTOCOL: rdma
+    MOONCAKE_DEVICE: "mlx5_0,mlx5_1,mlx5_2,mlx5_3"
+    MOONCAKE_GLOBAL_SEGMENT_SIZE: 180gb
+    MC_STORE_CLIENT_METRIC_INTERVAL: '5'
+    MC_ENABLE_DEST_DEVICE_AFFINITY: '1'
+    # Advertise the store transfer engine on the node address instead of the first active
+    # interface, which can be a BMC Redfish host interface (the same 10.0.1.2 on every node).
+    MC_TCP_BIND_ADDRESS: "{node_ip}"
+  preamble: |
+    ulimit -n 1048576
+    ulimit -l unlimited
+  # Cold container starts on a decode node can exceed srtctl's 120 s default;
+  # the <<: merge is shallow, so every store repeats the timeout.
+  readiness:
+    port: 8800
+    timeout_seconds: 600
+- <<: *decode-store
+  name: store-decode-1
+  args: ["--port", "8801"]
+  readiness:
+    port: 8801
+    timeout_seconds: 600
+- <<: *decode-store
+  name: store-decode-2
+  args: ["--port", "8802"]
+  readiness:
+    port: 8802
+    timeout_seconds: 600
+- <<: *decode-store
+  name: store-decode-3
+  args: ["--port", "8803"]
+  readiness:
+    port: 8803
+    timeout_seconds: 600
 frontend:
   type: dynamo
   nginx_session_affinity: true
@@ -84,6 +137,18 @@ roles:
       SGLANG_REQUEST_STATE_WAIT_TIMEOUT: '60'
       SGLANG_NCCL_ALL_GATHER_IN_OVERLAP_SCHEDULER_SYNC_BATCH: '1'
       SGLANG_DSV4_MHC_PREWARM: '1'
+      MOONCAKE_PROTOCOL: rdma
+      # The store only registers host buffers on RDMA; without an explicit list it
+      # falls back to NVLink for same-domain peers and aborts at the warmup put.
+      MOONCAKE_DEVICE: "mlx5_0,mlx5_1,mlx5_2,mlx5_3"
+      MOONCAKE_GLOBAL_SEGMENT_SIZE: 140gb
+      MOONCAKE_STANDALONE_STORAGE: '0'
+      MC_STORE_CLIENT_METRIC_INTERVAL: '5'
+      MC_ENABLE_DEST_DEVICE_AFFINITY: '1'
+      # Advertise the store transfer engine on the node address instead of the first active
+      # interface, which can be a BMC Redfish host interface (the same 10.0.1.2 on every node).
+      MC_TCP_BIND_ADDRESS: "{node}"
+      WITH_NVIDIA_PEERMEM: '0'
     args:
       host: 0.0.0.0
       served-model-name: deepseek-ai/DeepSeek-V4-Pro-0813
@@ -117,11 +182,9 @@ roles:
       speculative-num-steps: 1
       speculative-eagle-topk: 1
       speculative-num-draft-tokens: 7
-      enable-hierarchical-cache: true
-      hicache-write-policy: write_back
-      hicache-ratio: 2
-      hicache-io-backend: direct
-      hicache-mem-layout: page_first_direct
+      enable-unified-cache-external-linker: true
+      unified-cache-external-linker-backend: mooncake
+      hicache-storage-backend-extra-config: '{"enable_group_semantics":true}'
       cuda-graph-max-bs-decode: 256
   decode:
     nodes: 8
@@ -157,6 +220,8 @@ roles:
       SGLANG_LOG_MS: '1'
       SGLANG_REQUEST_STATE_WAIT_TIMEOUT: '60'
       SGLANG_DSV4_MHC_PREWARM: '1'
+      MC_ENABLE_DEST_DEVICE_AFFINITY: '1'
+      WITH_NVIDIA_PEERMEM: '0'
     args:
       host: 0.0.0.0
       served-model-name: deepseek-ai/DeepSeek-V4-Pro-0813
@@ -199,6 +264,10 @@ srun_options:
 benchmark:
   type: custom
   command: bash /infmax-workspace/benchmarks/srt_agentic.sh
+  # The replay client holds ~300 GB of host memory; on the default head node it
+  # shares prefill_0's node and OOMs it. Put it on the etcd/nats node instead.
+  placement:
+    node: dedicated
   env:
     INFMAX_CONTAINER_WORKSPACE: /infmax-workspace
     RESULT_DIR: /logs/agentic
diff --git a/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/dsv4/sglang/gb200-fp4/agentx/disagg-gb200-2p1d-dep16-dep32-c768-mtp-kvoffload.yaml b/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/dsv4/sglang/gb200-fp4/agentx/disagg-gb200-2p1d-dep16-dep32-c768-mtp-kvoffload.yaml
index 4b7b7ff7b0..ff4cd0a15f 100644
--- a/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/dsv4/sglang/gb200-fp4/agentx/disagg-gb200-2p1d-dep16-dep32-c768-mtp-kvoffload.yaml
+++ b/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/dsv4/sglang/gb200-fp4/agentx/disagg-gb200-2p1d-dep16-dep32-c768-mtp-kvoffload.yaml
@@ -18,6 +18,11 @@ slurm:
 health_check:
   max_attempts: 1440
   interval_seconds: 10
+# Tachometer's per-node exporters slow decode steps by a few percent and add
+# host memory on the head node; this ladder is a throughput measurement.
+observability:
+  tachometer:
+    enabled: false
 resources:
   gpu_type: gb200
   gpus_per_node: 4
@@ -32,6 +37,54 @@ services:
     node: dedicated
   options:
     max_payload_mb: 32
+- name: mooncake-master
+  type: mooncake-master
+  args:
+    - --eviction_high_watermark_ratio=0.90
+# Decode ranks use a chunk cache, so their host DRAM only joins the store
+# through standalone stores: four per decode node, so segments stay uniform
+# with prefill's per-rank ones instead of one oversized segment per node.
+- &decode-store
+  name: store-decode-0
+  type: mooncake-store
+  placement:
+    node: decode
+  args: ["--port", "8800"]
+  env:
+    MOONCAKE_PROTOCOL: rdma
+    MOONCAKE_DEVICE: "mlx5_0,mlx5_1,mlx5_2,mlx5_3"
+    MOONCAKE_GLOBAL_SEGMENT_SIZE: 180gb
+    MC_STORE_CLIENT_METRIC_INTERVAL: '5'
+    MC_ENABLE_DEST_DEVICE_AFFINITY: '1'
+    # Advertise the store transfer engine on the node address instead of the first active
+    # interface, which can be a BMC Redfish host interface (the same 10.0.1.2 on every node).
+    MC_TCP_BIND_ADDRESS: "{node_ip}"
+  preamble: |
+    ulimit -n 1048576
+    ulimit -l unlimited
+  # Cold container starts on a decode node can exceed srtctl's 120 s default;
+  # the <<: merge is shallow, so every store repeats the timeout.
+  readiness:
+    port: 8800
+    timeout_seconds: 600
+- <<: *decode-store
+  name: store-decode-1
+  args: ["--port", "8801"]
+  readiness:
+    port: 8801
+    timeout_seconds: 600
+- <<: *decode-store
+  name: store-decode-2
+  args: ["--port", "8802"]
+  readiness:
+    port: 8802
+    timeout_seconds: 600
+- <<: *decode-store
+  name: store-decode-3
+  args: ["--port", "8803"]
+  readiness:
+    port: 8803
+    timeout_seconds: 600
 frontend:
   type: dynamo
   nginx_session_affinity: true
@@ -84,6 +137,18 @@ roles:
       SGLANG_REQUEST_STATE_WAIT_TIMEOUT: '60'
       SGLANG_NCCL_ALL_GATHER_IN_OVERLAP_SCHEDULER_SYNC_BATCH: '1'
       SGLANG_DSV4_MHC_PREWARM: '1'
+      MOONCAKE_PROTOCOL: rdma
+      # The store only registers host buffers on RDMA; without an explicit list it
+      # falls back to NVLink for same-domain peers and aborts at the warmup put.
+      MOONCAKE_DEVICE: "mlx5_0,mlx5_1,mlx5_2,mlx5_3"
+      MOONCAKE_GLOBAL_SEGMENT_SIZE: 140gb
+      MOONCAKE_STANDALONE_STORAGE: '0'
+      MC_STORE_CLIENT_METRIC_INTERVAL: '5'
+      MC_ENABLE_DEST_DEVICE_AFFINITY: '1'
+      # Advertise the store transfer engine on the node address instead of the first active
+      # interface, which can be a BMC Redfish host interface (the same 10.0.1.2 on every node).
+      MC_TCP_BIND_ADDRESS: "{node}"
+      WITH_NVIDIA_PEERMEM: '0'
     args:
       host: 0.0.0.0
       served-model-name: deepseek-ai/DeepSeek-V4-Pro-0813
@@ -117,11 +182,9 @@ roles:
       speculative-num-steps: 1
       speculative-eagle-topk: 1
       speculative-num-draft-tokens: 7
-      enable-hierarchical-cache: true
-      hicache-write-policy: write_back
-      hicache-ratio: 2
-      hicache-io-backend: direct
-      hicache-mem-layout: page_first_direct
+      enable-unified-cache-external-linker: true
+      unified-cache-external-linker-backend: mooncake
+      hicache-storage-backend-extra-config: '{"enable_group_semantics":true}'
       cuda-graph-max-bs-decode: 256
   decode:
     nodes: 8
@@ -157,6 +220,8 @@ roles:
       SGLANG_LOG_MS: '1'
       SGLANG_REQUEST_STATE_WAIT_TIMEOUT: '60'
       SGLANG_DSV4_MHC_PREWARM: '1'
+      MC_ENABLE_DEST_DEVICE_AFFINITY: '1'
+      WITH_NVIDIA_PEERMEM: '0'
     args:
       host: 0.0.0.0
       served-model-name: deepseek-ai/DeepSeek-V4-Pro-0813
@@ -199,6 +264,10 @@ srun_options:
 benchmark:
   type: custom
   command: bash /infmax-workspace/benchmarks/srt_agentic.sh
+  # The replay client holds ~300 GB of host memory; on the default head node it
+  # shares prefill_0's node and OOMs it. Put it on the etcd/nats node instead.
+  placement:
+    node: dedicated
   env:
     INFMAX_CONTAINER_WORKSPACE: /infmax-workspace
     RESULT_DIR: /logs/agentic
diff --git a/inferencex-e2e/configs/nvidia-master.yaml b/inferencex-e2e/configs/nvidia-master.yaml
index 1cb191a29a..c32f89b47b 100644
--- a/inferencex-e2e/configs/nvidia-master.yaml
+++ b/inferencex-e2e/configs/nvidia-master.yaml
@@ -6858,7 +6858,7 @@ dsv4-fp4-gb200-dynamo-sglang-agentic-disagg:
       - spec-decoding: draft_model
         conc-list: [64]
         kv-offloading: dram
-        kv-offload-backend: { name: hicache }
+        kv-offload-backend: { name: mooncake, version: "0.3.13" }
         prefill:
           num-worker: 1
           tp: 8
@@ -6874,7 +6874,7 @@ dsv4-fp4-gb200-dynamo-sglang-agentic-disagg:
       - spec-decoding: draft_model
         conc-list: [128]
         kv-offloading: dram
-        kv-offload-backend: { name: hicache }
+        kv-offload-backend: { name: mooncake, version: "0.3.13" }
         prefill:
           num-worker: 1
           tp: 8
@@ -6890,7 +6890,7 @@ dsv4-fp4-gb200-dynamo-sglang-agentic-disagg:
       - spec-decoding: draft_model
         conc-list: [256]
         kv-offloading: dram
-        kv-offload-backend: { name: hicache }
+        kv-offload-backend: { name: mooncake, version: "0.3.13" }
         prefill:
           num-worker: 1
           tp: 16
@@ -6906,7 +6906,7 @@ dsv4-fp4-gb200-dynamo-sglang-agentic-disagg:
       - spec-decoding: draft_model
         conc-list: [768]
         kv-offloading: dram
-        kv-offload-backend: { name: hicache }
+        kv-offload-backend: { name: mooncake, version: "0.3.13" }
         prefill:
           num-worker: 2
           tp: 16
@@ -6922,7 +6922,7 @@ dsv4-fp4-gb200-dynamo-sglang-agentic-disagg:
       - spec-decoding: draft_model
         conc-list: [1024]
         kv-offloading: dram
-        kv-offload-backend: { name: hicache }
+        kv-offload-backend: { name: mooncake, version: "0.3.13" }
         prefill:
           num-worker: 2
           tp: 16
@@ -6938,7 +6938,7 @@ dsv4-fp4-gb200-dynamo-sglang-agentic-disagg:
       - spec-decoding: draft_model
         conc-list: [1280]
         kv-offloading: dram
-        kv-offload-backend: { name: hicache }
+        kv-offload-backend: { name: mooncake, version: "0.3.13" }
         prefill:
           num-worker: 2
           tp: 16
diff --git a/inferencex-e2e/perf-changelog.yaml b/inferencex-e2e/perf-changelog.yaml
index 602fc4a4e7..058145a6d1 100644
--- a/inferencex-e2e/perf-changelog.yaml
+++ b/inferencex-e2e/perf-changelog.yaml
@@ -9392,6 +9392,20 @@
     - "Run TP4 at concurrency 1, 4, 8 and 32 and replace TP2 with DEP2 (TP1 x DP2 + EP2) at concurrency 8-32 and DEP4 (TP1 x DP4 + EP4) at concurrency 64-128, both with DeepGEMM MegaMoE and adaptive verification behind a consistent-hash vLLM Router. All points set gpu-memory-utilization 0.97."
   pr-link: https://github.com/SemiAnalysisAI/InferenceX/pull/3692
 
+- config-keys:
+    - dsv4-fp4-gb200-dynamo-sglang-agentic-agg
+    - dsv4-fp4-gb200-dynamo-sglang-agentic-disagg
+  scenario-type:
+    - agentic-coding
+  description:
+    - "Move the GB200 DeepSeek-V4-Pro AgentX disaggregated recipes from hierarchical cache to the Mooncake unified-cache external linker with group semantics, as #3187 did for GB300. MoE settings are unchanged: the recipes keep MegaMoE without W4A4 MXFP4."
+    - "Decode nodes lend host DRAM to the store through srt-slurm mooncake-store services: four 180GB standalone stores per decode node, gated on their readiness ports with a 600-second timeout. Prefill keeps a 140GB segment per rank. GB200 nodes have the same host memory as GB300 nodes, so the sizes carry over."
+    - "The prefill role and the decode stores name their RDMA devices (MOONCAKE_DEVICE=mlx5_0..3, as the GB200 vLLM Mooncake recipes do) and set MC_TCP_BIND_ADDRESS to their node, so each store transfer engine advertises the node address instead of the first active interface."
+    - "The benchmark client runs on the dedicated etcd/nats node, because prefill nodes now also hold Mooncake segments, and Tachometer's per-node exporters are off for this throughput ladder."
+    - "The aggregate TP8 c1/c4 recipes are unchanged and stay on hierarchical cache; their config key is listed so this sweep covers the whole GB200 Pareto ladder, including the low-latency points."
+    - "Measured at concurrency 128 (1P DEP8 / 1D DEP16) against the current recipe with the same image, srt-slurm and golden acceptance length: 26,566 vs 23,763 total tok/s/GPU (+11.8%) at the same P90 TPOT (7.31 vs 7.22 ms), with TTFT p50 3.27 vs 4.95 s."
+  pr-link: https://github.com/SemiAnalysisAI/InferenceX/pull/3701
+
 - config-keys:
     - "*"
   description: