mcp-npm-tools
MCP server providing npm and Node.js package management tools for AI agents.
Tools
npm_search
Search the npm registry for packages by keyword. Returns name, description, version, weekly downloads, and last publish date.
npm_package_info
Get detailed information about a specific npm package: all published versions, dependencies, maintainers, repository URL, license, unpacked size, npm quality/popularity/maintenance scores, and weekly download count.
npm_dependency_audit
Analyze a package.json file to find outdated dependencies (compares pinned/range version against latest), deprecated packages, and known security vulnerabilities via the npm bulk advisory API.
npm_bundle_size
Estimate the bundle size of an npm package using the Bundlephobia API. Returns minified size, gzipped size, dependency count, and tree-shaking support indicators.
npm_compare_packages
Compare two or more packages side by side across multiple dimensions: weekly downloads, bundle size, number of runtime dependencies, last publish date, GitHub stars, and license.
Setup
npm install
npm run build
Usage with Claude Desktop
Add to your claude_desktop_config.json:
{
"mcpServers": {
"npm-tools": {
"command": "node",
"args": ["D:/products/mcp-servers/mcp-npm-tools/dist/index.js"]
}
}
}
Development
npm run build # compile TypeScript
npm start # run the server
License
MIT
