diff --git a/frontend/src/components/landing/InferenceModal.test.tsx b/frontend/src/components/landing/InferenceModal.test.tsx
index a8ad8a242..313cbb2a2 100644
--- a/frontend/src/components/landing/InferenceModal.test.tsx
+++ b/frontend/src/components/landing/InferenceModal.test.tsx
@@ -90,6 +90,18 @@ test("an unsaved camera permits a manual rotation with a training-data reminder"
   expect(request.cameras.wrist).toMatchObject({ camera_index: 3, rotation: 90, width: 640, height: 480 });
 });
 
+test("the plugin package note shows only for a policy type LeRobot does not register", async () => {
+  await render();
+  expect(container.textContent).not.toContain("plugin policy");
+  act(() => root.unmount()); root = createRoot(container);
+  const builtin = mocks.fetcher.getMockImplementation()!;
+  mocks.fetcher.mockImplementation(async (url: string, init?: RequestInit) => url.endsWith("/policy-config")
+    ? new Response(JSON.stringify({ policy_type: "my_plugin", requires_task: true, image_features: {} }))
+    : builtin(url, init));
+  await render();
+  expect(container.textContent).toContain("This is a plugin policy");
+});
+
 test("an invalid saved rotation blocks inference and gives a visible correction instruction", async () => {
   await render({ ...robot, cameras: [{ ...robot.cameras[0], rotation: 45 as never }] });
   expect(container.textContent).toContain("Correct the camera settings in Calibration");
diff --git a/frontend/src/components/landing/InferenceModal.tsx b/frontend/src/components/landing/InferenceModal.tsx
index c537c5a1f..d7b3ad031 100644
--- a/frontend/src/components/landing/InferenceModal.tsx
+++ b/frontend/src/components/landing/InferenceModal.tsx
@@ -37,6 +37,28 @@ interface Props {
 }
 
 const DEFAULT_FPS = 30;
+// Policy types LeRobot (v0.6.1) registers itself; any other type comes from a plugin package.
+const BUILTIN_POLICY_TYPES = new Set([
+  "act",
+  "diffusion",
+  "eo1",
+  "evo1",
+  "fastwam",
+  "gaussian_actor",
+  "groot",
+  "lingbot_va",
+  "molmoact2",
+  "multi_task_dit",
+  "pi0",
+  "pi05",
+  "pi0_fast",
+  "smolvla",
+  "tdmpc",
+  "vla_jepa",
+  "vqbet",
+  "wall_x",
+  "xvla",
+]);
 
 const InferenceModal: React.FC<Props> = ({
   open,
@@ -176,6 +198,12 @@ const InferenceModal: React.FC<Props> = ({
             Pick a checkpoint and confirm hardware. The selected policy will
             drive the follower autonomously for the configured duration.
           </DialogDescription>
+          {policyConfig && !BUILTIN_POLICY_TYPES.has(policyConfig.policy_type ?? "") && (
+            <p className="text-xs text-gray-500 text-center -mt-3">
+              This is a plugin policy: its package must be installed alongside
+              lelab, or the run will fail to load the policy.
+            </p>
+          )}
 
           <div className="space-y-4">
             <h3 className="text-lg font-semibold text-white border-b border-gray-700 pb-2">