diff --git a/extensions/mattermost/src/mattermost/monitor.inbound-system-event.test.ts b/extensions/mattermost/src/mattermost/monitor.inbound-system-event.test.ts
index 62912a66bd9..74cbb2932d3 100644
--- a/extensions/mattermost/src/mattermost/monitor.inbound-system-event.test.ts
+++ b/extensions/mattermost/src/mattermost/monitor.inbound-system-event.test.ts
@@ -176,6 +176,27 @@ function createRuntimeCore(cfg: OpenClawConfig) {
       };
     },
   );
+  const run = vi.fn(
+    async (params: {
+      raw: unknown;
+      adapter: {
+        ingest: (raw: unknown) => unknown;
+        resolveTurn: (
+          input: unknown,
+          eventClass: { kind: "message"; canStartAgentTurn: true },
+          preflight: Record<string, never>,
+        ) => Parameters<typeof runPrepared>[0];
+      };
+    }) => {
+      const input = params.adapter.ingest(params.raw);
+      const turn = params.adapter.resolveTurn(
+        input,
+        { kind: "message", canStartAgentTurn: true },
+        {},
+      );
+      return await runPrepared(turn);
+    },
+  );
   return {
     config: {
       current: () => cfg,
@@ -260,6 +281,7 @@ function createRuntimeCore(cfg: OpenClawConfig) {
         updateLastRoute: vi.fn(async () => {}),
       },
       turn: {
+        run,
         runPrepared,
       },
       text: {
diff --git a/src/plugins/bundled-runtime-deps-materialization.ts b/src/plugins/bundled-runtime-deps-materialization.ts
index 4ec44a3f08d..eb0bea2834e 100644
--- a/src/plugins/bundled-runtime-deps-materialization.ts
+++ b/src/plugins/bundled-runtime-deps-materialization.ts
@@ -77,7 +77,10 @@ function hasInstalledRuntimeDepEntryFiles(packageDir: string, packageJson: JsonO
   if (mainPath !== packageDir && !mainPath.startsWith(`${packageDir}${path.sep}`)) {
     return false;
   }
-  return fs.existsSync(mainPath);
+  if (fs.existsSync(mainPath)) {
+    return true;
+  }
+  return [".js", ".json", ".node"].some((extension) => fs.existsSync(`${mainPath}${extension}`));
 }
 
 export function isRuntimeDepSatisfied(
diff --git a/src/plugins/bundled-runtime-deps.test.ts b/src/plugins/bundled-runtime-deps.test.ts
index 00c75f8bd35..7fc9bf6279a 100644
--- a/src/plugins/bundled-runtime-deps.test.ts
+++ b/src/plugins/bundled-runtime-deps.test.ts
@@ -886,6 +886,33 @@ describe("installBundledRuntimeDeps", () => {
     );
   });
 
+  it("accepts extensionless package main entries resolved by Node", () => {
+    const installRoot = makeTempDir();
+    spawnSyncMock.mockImplementation((_command, _args, options) => {
+      const packageDir = path.join(String(options?.cwd ?? ""), "node_modules", "jszip");
+      fs.mkdirSync(path.join(packageDir, "lib"), { recursive: true });
+      fs.writeFileSync(
+        path.join(packageDir, "package.json"),
+        JSON.stringify({ name: "jszip", version: "3.10.1", main: "./lib/index" }),
+      );
+      fs.writeFileSync(path.join(packageDir, "lib", "index.js"), "export default {};\n");
+      return {
+        pid: 123,
+        output: [],
+        stdout: "",
+        stderr: "",
+        signal: null,
+        status: 0,
+      };
+    });
+
+    installBundledRuntimeDeps({
+      installRoot,
+      missingSpecs: ["jszip@^3.10.1"],
+      env: {},
+    });
+  });
+
   it("cleans an owned isolated execution root after copying node_modules back", () => {
     const installRoot = makeTempDir();
     const installExecutionRoot = path.join(installRoot, ".openclaw-install-stage");
diff --git a/src/plugins/capability-provider-runtime.test.ts b/src/plugins/capability-provider-runtime.test.ts
index 33655de6562..be4dbfeb770 100644
--- a/src/plugins/capability-provider-runtime.test.ts
+++ b/src/plugins/capability-provider-runtime.test.ts
@@ -103,6 +103,7 @@ function expectBundledCompatLoadPath(params: {
     config: params.enablementCompat,
     onlyPluginIds: ["openai"],
     activate: false,
+    installBundledRuntimeDeps: false,
   });
 }
 
@@ -408,6 +409,7 @@ describe("resolvePluginCapabilityProviders", () => {
       }),
       onlyPluginIds: ["microsoft"],
       activate: false,
+      installBundledRuntimeDeps: false,
     });
   });
 
@@ -582,6 +584,7 @@ describe("resolvePluginCapabilityProviders", () => {
       config: expect.anything(),
       onlyPluginIds: [],
       activate: false,
+      installBundledRuntimeDeps: false,
     });
   });
 
@@ -626,6 +629,7 @@ describe("resolvePluginCapabilityProviders", () => {
       config: compatConfig,
       onlyPluginIds: ["google"],
       activate: false,
+      installBundledRuntimeDeps: false,
     });
   });
 
@@ -649,6 +653,7 @@ describe("resolvePluginCapabilityProviders", () => {
       config: expect.anything(),
       onlyPluginIds: [],
       activate: false,
+      installBundledRuntimeDeps: false,
     });
   });
 
@@ -786,6 +791,7 @@ describe("resolvePluginCapabilityProviders", () => {
       config: enablementCompat,
       onlyPluginIds: ["google"],
       activate: false,
+      installBundledRuntimeDeps: false,
     });
   });
 });
diff --git a/src/plugins/capability-provider-runtime.ts b/src/plugins/capability-provider-runtime.ts
index 8d30641b35b..548847f0130 100644
--- a/src/plugins/capability-provider-runtime.ts
+++ b/src/plugins/capability-provider-runtime.ts
@@ -226,8 +226,13 @@ export function resolvePluginCapabilityProvider<K extends CapabilityProviderRegi
   });
   const loadOptions =
     compatConfig === undefined
-      ? { onlyPluginIds: pluginIds, activate: false }
-      : { config: compatConfig, onlyPluginIds: pluginIds, activate: false };
+      ? { onlyPluginIds: pluginIds, activate: false, installBundledRuntimeDeps: false }
+      : {
+          config: compatConfig,
+          onlyPluginIds: pluginIds,
+          activate: false,
+          installBundledRuntimeDeps: false,
+        };
   const registry = resolveRuntimePluginRegistry(loadOptions);
   return findProviderById(registry?.[params.key] ?? [], params.providerId);
 }
@@ -269,8 +274,13 @@ export function resolvePluginCapabilityProviders<K extends CapabilityProviderReg
   });
   const loadOptions =
     compatConfig === undefined
-      ? { onlyPluginIds: pluginIds, activate: false }
-      : { config: compatConfig, onlyPluginIds: pluginIds, activate: false };
+      ? { onlyPluginIds: pluginIds, activate: false, installBundledRuntimeDeps: false }
+      : {
+          config: compatConfig,
+          onlyPluginIds: pluginIds,
+          activate: false,
+          installBundledRuntimeDeps: false,
+        };
   const registry = resolveRuntimePluginRegistry(loadOptions);
   const loadedProviders = registry?.[params.key] ?? [];
   if (params.key !== "memoryEmbeddingProviders") {