diff --git a/src/components/CliOnlyScreen.test.tsx b/src/components/CliOnlyScreen.test.tsx
index b6b7c91eb..88cd75634 100644
--- a/src/components/CliOnlyScreen.test.tsx
+++ b/src/components/CliOnlyScreen.test.tsx
@@ -61,10 +61,31 @@ describe("menus list command-line-only subcommands below a divider", () => {
     r.unmount();
   });
 
-  test("the divider is omitted when nothing is command line only", async () => {
+  test("the harness menu", async () => {
     const r = renderScreen("/agentcore/harness");
 
-    await waitForText(r.lastFrame, "manage AgentCore harnesses");
+    await waitForText(r.lastFrame, "command line only");
+    expect(menuEntries(r.lastFrame()!)).toEqual({
+      screens: [
+        "create",
+        "get",
+        "list",
+        "update",
+        "delete",
+        "invoke",
+        "exec",
+        "endpoint",
+        "version",
+      ],
+      cliOnly: ["logs", "traces"],
+    });
+    r.unmount();
+  });
+
+  test("the divider is omitted when nothing is command line only", async () => {
+    const r = renderScreen("/agentcore/harness/endpoint");
+
+    await waitForText(r.lastFrame, "manage harness endpoints");
     expect(r.lastFrame()).not.toContain("command line only");
     r.unmount();
   });
diff --git a/src/handlers/harness/index.tsx b/src/handlers/harness/index.tsx
index 72a4a129c..9c29e9896 100644
--- a/src/handlers/harness/index.tsx
+++ b/src/handlers/harness/index.tsx
@@ -22,6 +22,17 @@ export function createHarnessHandler(core: Core, io: AppIO): Router {
   harness.use(withTuiOnEmptyFlagsAndArgs(core, io));
   // Open the TUI at this root, i.e., `agentcore harness`
   harness.default(renderTui(core, io));
+  harness.supportedTuiCommands(
+    "create",
+    "get",
+    "list",
+    "update",
+    "delete",
+    "invoke",
+    "exec",
+    "endpoint",
+    "version",
+  );
 
   // Register handlers
   harness.handler(createCreateHarnessHandler(core));