- Add packages/mcp/src/cli.ts with init/list/inspect/discover/add commands - Add packages/mcp/tests/cli.test.ts with 11 parseCommand tests (42 total) - Update server.ts to register all 5 tools: discover, inspect, validate, add, compose - Add @types/node devDep, switch to tsc --noCheck build to avoid re-checking core source under stricter NodeNext moduleResolution - tsconfig: NodeNext module, types: [node], exclude core/src