init: add source code from src.zip

src/commands/mcp/index.ts

@@ -0,0 +1,12 @@
+import type { Command } from '../../commands.js'
+
+const mcp = {
+  type: 'local-jsx',
+  name: 'mcp',
+  description: 'Manage MCP servers',
+  immediate: true,
+  argumentHint: '[enable|disable [server-name]]',
+  load: () => import('./mcp.js'),
+} satisfies Command
+
+export default mcp