What it does
Package Registry MCP is a Model Context Protocol server that lets AI assistants search npm, Cargo, PyPI and NuGet packages. It retrieves current package information from those registries, so answers reflect the latest published details. It runs through npx and works with clients such as Claude, Cursor and Copilot.
Use cases
- 01Comparing packages for a new feature
- 02Checking the latest version of a library
- 03Looking up package details for a dependency review