diff --git a/scripts/run-node.mjs b/scripts/run-node.mjs
index 68a087c23a20..7dee0d38bf77 100644
--- a/scripts/run-node.mjs
+++ b/scripts/run-node.mjs
@@ -416,10 +416,19 @@ const listRequiredOpenClawExtensionAliasOutputs = (deps) => {
   ].toSorted((left, right) => left.localeCompare(right));
 };
 
+const listRequiredStaticExtensionAssetOutputs = (deps) => {
+  const distRoot = resolveRuntimePostBuildDistRoot(deps);
+  return runtimePostBuildStaticAssets
+    .filter((asset) => deps.fs.existsSync(path.join(deps.cwd, asset.src)))
+    .map((asset) => path.join(distRoot, normalizePath(asset.dest).replace(/^dist\//u, "")))
+    .toSorted((left, right) => left.localeCompare(right));
+};
+
 const listRequiredRuntimePostBuildOutputs = (deps) => {
   const builtPluginEntries = listBuiltBundledPluginEntries(deps);
   return [
     ...listRequiredOpenClawExtensionAliasOutputs(deps),
+    ...listRequiredStaticExtensionAssetOutputs(deps),
     ...listRequiredBundledPluginMetadataOutputs(builtPluginEntries, deps),
     ...listRequiredBundledPluginRuntimeOverlayOutputs(builtPluginEntries, deps),
   ];
diff --git a/src/infra/run-node.test.ts b/src/infra/run-node.test.ts
index 6419bbad07b0..f7c6a3c7d4bd 100644
--- a/src/infra/run-node.test.ts
+++ b/src/infra/run-node.test.ts
@@ -50,6 +50,10 @@ const DIST_RUNTIME_EXTENSION_SKILL = "dist-runtime/extensions/demo/skills/SKILL.
 const DIST_OPENCLAW_ALIAS_PACKAGE = "dist/extensions/node_modules/openclaw/package.json";
 const DIST_OPENCLAW_ALIAS_PLUGIN_SDK_INDEX =
   "dist/extensions/node_modules/openclaw/plugin-sdk/index.js";
+const ACPX_MCP_PROXY_SOURCE = "extensions/acpx/src/runtime-internals/mcp-proxy.mjs";
+const DIST_ACPX_MCP_PROXY = "dist/extensions/acpx/mcp-proxy.mjs";
+const DIFFS_VIEWER_RUNTIME_SOURCE = "extensions/diffs/assets/viewer-runtime.js";
+const DIST_DIFFS_VIEWER_RUNTIME = "dist/extensions/diffs/assets/viewer-runtime.js";
 const DIST_EXTENSION_MANIFEST = bundledDistPluginFile("demo", "openclaw.plugin.json");
 const DIST_EXTENSION_PACKAGE = bundledDistPluginFile("demo", "package.json");
 
@@ -1725,6 +1729,44 @@ describe("run-node script", () => {
     });
   });
 
+  it("reports missing static runtime postbuild asset outputs when runtime stamps match HEAD", async () => {
+    await withTempDir({ prefix: "openclaw-run-node-" }, async (tmp) => {
+      await setupTrackedProject(tmp, {
+        files: {
+          [ROOT_SRC]: "export const value = 1;\n",
+          [ACPX_MCP_PROXY_SOURCE]: "export {};\n",
+          [DIST_ACPX_MCP_PROXY]: "export {};\n",
+          [DIFFS_VIEWER_RUNTIME_SOURCE]: "export {};\n",
+          [DIST_DIFFS_VIEWER_RUNTIME]: "export {};\n",
+          [RUNTIME_POSTBUILD_STAMP]: '{"head":"abc123"}\n',
+        },
+        buildPaths: [
+          ROOT_SRC,
+          ACPX_MCP_PROXY_SOURCE,
+          DIST_ACPX_MCP_PROXY,
+          DIFFS_VIEWER_RUNTIME_SOURCE,
+          DIST_DIFFS_VIEWER_RUNTIME,
+          DIST_ENTRY,
+          BUILD_STAMP,
+          RUNTIME_POSTBUILD_STAMP,
+        ],
+      });
+      await fs.rm(resolvePath(tmp, DIST_ACPX_MCP_PROXY));
+
+      const requirement = resolveRuntimePostBuildRequirement(
+        createBuildRequirementDeps(tmp, {
+          gitHead: "abc123\n",
+          gitStatus: "",
+        }),
+      );
+
+      expect(requirement).toEqual({
+        shouldSync: true,
+        reason: "missing_runtime_postbuild_output",
+      });
+    });
+  });
+
   it("reports missing runtime skill outputs even when stamps match HEAD", async () => {
     await withTempDir({ prefix: "openclaw-run-node-" }, async (tmp) => {
       await setupTrackedProject(tmp, {