diff --git a/benchmarks/multi_node/srt-slurm-recipes/vllm/deepseek-v4/agentic/disagg-gb300-1p1d-dep4-dep8-c128-mtp-agentic.yaml b/benchmarks/multi_node/srt-slurm-recipes/vllm/deepseek-v4/agentic/disagg-gb300-1p1d-dep4-dep8-c128-mtp-agentic.yaml
index dd58dde28f..56879ed607 100644
--- a/benchmarks/multi_node/srt-slurm-recipes/vllm/deepseek-v4/agentic/disagg-gb300-1p1d-dep4-dep8-c128-mtp-agentic.yaml
+++ b/benchmarks/multi_node/srt-slurm-recipes/vllm/deepseek-v4/agentic/disagg-gb300-1p1d-dep4-dep8-c128-mtp-agentic.yaml
@@ -195,6 +195,7 @@ benchmark:
     INFMAX_CONTAINER_WORKSPACE: "/infmax-workspace"
     RESULT_DIR: "/logs/agentic"
     PORT: "8000"
+    AIPERF_REQUIRED_SERVER_METRIC_PREFIX: "vllm:"
     IS_MULTINODE: "true"
     AIPERF_USE_DYNAMO_CONV_AWARE_ROUTING: "0"
     AIPERF_HTTP_X_DYNAMO_SESSION_ID_FROM_CORRELATION_ID: "true"
diff --git a/benchmarks/multi_node/srt-slurm-recipes/vllm/deepseek-v4/agentic/disagg-gb300-1p1d-dep8-dep8-c384-mtp-agentic.yaml b/benchmarks/multi_node/srt-slurm-recipes/vllm/deepseek-v4/agentic/disagg-gb300-1p1d-dep8-dep8-c384-mtp-agentic.yaml
index 00a876ebe8..1c071050e7 100644
--- a/benchmarks/multi_node/srt-slurm-recipes/vllm/deepseek-v4/agentic/disagg-gb300-1p1d-dep8-dep8-c384-mtp-agentic.yaml
+++ b/benchmarks/multi_node/srt-slurm-recipes/vllm/deepseek-v4/agentic/disagg-gb300-1p1d-dep8-dep8-c384-mtp-agentic.yaml
@@ -196,6 +196,7 @@ benchmark:
     INFMAX_CONTAINER_WORKSPACE: "/infmax-workspace"
     RESULT_DIR: "/logs/agentic"
     PORT: "8000"
+    AIPERF_REQUIRED_SERVER_METRIC_PREFIX: "vllm:"
     IS_MULTINODE: "true"
     AIPERF_USE_DYNAMO_CONV_AWARE_ROUTING: "0"
     AIPERF_HTTP_X_DYNAMO_SESSION_ID_FROM_CORRELATION_ID: "true"
diff --git a/perf-changelog.yaml b/perf-changelog.yaml
index 4a2145e445..4934640533 100644
--- a/perf-changelog.yaml
+++ b/perf-changelog.yaml
@@ -5526,4 +5526,13 @@
     - "Enable SGLang backend metrics on every aggregate, prefill, and decode engine, and fail before publishing a partial trace artifact if required sglang: metrics are absent."
     - "Record the recipes' active HiCache host-DRAM tier and, for disaggregated points, Dynamo router commit 5a638087 in nvidia-master metadata so generated artifacts no longer report kv_offloading=none, allocated_cpu_dram_gb=0, or a null router."
   pr-link: https://github.com/SemiAnalysisAI/InferenceX/pull/2477
+
+- config-keys:
+    - dsv4-fp4-gb300-dynamo-vllm-agentic-mtp-disagg
+  scenario-type:
+    - agentic-coding
+  description:
+    - "Refresh submission with up to date AgentX harness."
+    - "Require vLLM backend metrics in every AgentX artifact."
+  pr-link: https://github.com/SemiAnalysisAI/InferenceX/pull/2519
   
diff --git a/runners/launch_gb300-nv.sh b/runners/launch_gb300-nv.sh
index d955d18ebc..10bd8df770 100644
--- a/runners/launch_gb300-nv.sh
+++ b/runners/launch_gb300-nv.sh
@@ -217,11 +217,13 @@ elif [[ "$IS_AGENTIC" == "1" && $FRAMEWORK == "dynamo-sglang" && $MODEL_PREFIX =
     cp -rT "$GITHUB_WORKSPACE/benchmarks/multi_node/srt-slurm-recipes/sglang/deepseek-v4/agentic" \
         recipes/sglang/deepseek-v4/agentic
 elif [[ "$IS_AGENTIC" == "1" ]]; then
-    # Agentic recipes use NVIDIA/srt-slurm v1.0.36. This is the upstream
-    # version validated in InferenceX PR #2302 and includes per-node DP,
-    # matching Dynamo health counts, multi-node TP port handling, and
-    # Mooncake compatibility. Keep it pinned so sweeps are reproducible.
-    git clone --branch v1.0.36 --single-branch https://github.com/NVIDIA/srt-slurm.git "$SRT_REPO_DIR" || exit 1
+    # Agentic recipes use NVIDIA/srt-slurm v1.0.38. In addition to per-node
+    # DP, matching Dynamo health counts, multi-node TP port handling, and
+    # Mooncake compatibility, this release injects logical worker endpoint
+    # metadata and AIPERF_SERVER_METRICS_URLS into custom benchmarks. The
+    # latter is required for complete AgentX server-metrics artifacts.
+    # Keep the release pinned so sweeps are reproducible.
+    git clone --branch v1.0.38 --single-branch https://github.com/NVIDIA/srt-slurm.git "$SRT_REPO_DIR" || exit 1
     cd "$SRT_REPO_DIR" || exit 1
 
     mkdir -p recipes/vllm/deepseek-v4/agentic || exit 1