Remove the duplicate MCP slash command alias

CHANGELOG.md

@@ -24,6 +24,8 @@ parallel copies under `docs/` or `scripts/notes/`. At cut time: rename
 
 ### Fixed
 
+- The slash menu exposes `/mcp` only. `/mcps` is no longer an alias for
+  the same overlay.
 - Sequential TUI ask and permission selectors paint the live question's option
   labels. Overlay rows bind by an ask id minted at emit, not render-order
   index. A stale or empty accept fail-closes as unavailable rather than

docs/MCP.md

@@ -90,7 +90,7 @@ registered for dispatch as soon as the server connects (including later in the
 same turn) and surfaced on demand through dynamic tool discovery
 (`tool_search`).
 
-In the TUI, `/mcp` and `/mcps` open the same live server surface. Press **Alt+A**
+In the TUI, `/mcp` opens the live server surface. Press **Alt+A**
 to add a named absolute HTTP(S) endpoint to global settings and connect it in the
 current session. Names may contain letters, numbers, single underscores, and
 hyphens; the `__` tool-namespace delimiter is reserved. The add is unavailable

src/tui/commands/built-in.test.ts

@@ -55,9 +55,9 @@ describe("/connect command", () => {
 });
 
 describe("MCP commands", () => {
-  it("keeps /mcp and aliases /mcps to the same surface", () => {
+  it("registers /mcp for the overlay and does not register /mcps", () => {
     expect(getCommand("mcp")?.handler("", makeCtx())).toEqual({ type: "overlay", overlay: "mcp" });
-    expect(getCommand("mcps")?.handler("", makeCtx())).toEqual({ type: "overlay", overlay: "mcp" });
+    expect(getCommand("mcps")).toBeUndefined();
   });
 });
 

src/tui/commands/built-in.ts

@@ -106,13 +106,11 @@ export function registerBuiltInCommands(): void {
     handler: (_args, _ctx) => ({ type: "paste-image" }),
   });
 
-  for (const name of ["mcp", "mcps"]) {
-    registerCommand({
-      name,
-      description: "Show MCP servers — Enter connects, Alt+D disables, Alt+R removes",
-      handler: (_args, _ctx) => ({ type: "overlay", overlay: "mcp" }),
-    });
-  }
+  registerCommand({
+    name: "mcp",
+    description: "Show MCP servers — Enter connects, Alt+D disables, Alt+R removes",
+    handler: (_args, _ctx) => ({ type: "overlay", overlay: "mcp" }),
+  });
 
   registerCommand({
     name: "cost",