fix: update execa import to use named import

chore: update @mcpm/sdk to 1.0.5

refactor: move core functionality to @mcpm/sdk

fix: update MCP server command names and remove json output

- Update case names to match new command names (mcp-server)
- Remove json output option from search command
- Fix type error in search packages handler

1.5.0

1.4.7

docs: add mcp.md

1.4.6

1.4.5

bump version to 1.4.4