MCP Server npm — Search, Compare & Inspect Packages from AI

An MCP server that lets your AI assistant search npm, compare packages, check download stats, and inspect dependencies. No API keys needed.

You: "Compare react vs preact — size, downloads, and dependencies"
AI:  react: 45.5kb min, 25M weekly downloads, 3 deps
     preact: 4.2kb min, 3.8M weekly downloads, 0 deps

Works with Claude Desktop, Cursor, and VS Code Copilot.

Tools

Tool	What it does
npm_search	Search npm packages by keyword
npm_info	Get detailed package info (version, license, deps, maintainers)
npm_downloads	Get download statistics (daily, weekly, monthly, yearly)
npm_versions	List recent versions of a package
npm_compare	Compare two packages side by side
npm_deps	List all dependencies of a package

Quick Start

With Claude Desktop

Add to your claude_desktop_config.json:

{
  "mcpServers": {
    "npm": {
      "command": "npx",
      "args": ["-y", "mcp-server-npm"]
    }
  }
}

With Cursor

Add to your .cursor/mcp.json:

{
  "mcpServers": {
    "npm": {
      "command": "npx",
      "args": ["-y", "mcp-server-npm"]
    }
  }
}

Examples

Ask your AI assistant:

• "Search npm for state management libraries"
• "Show me info about the express package"
• "Compare react vs preact"
• "How many downloads does zod get per month?"
• "What are the dependencies of next?"
• "List recent versions of typescript"

Development

npm install
npm test
npm run build

Author

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_{README built with README Builder}

License

MIT © Ofer Shapira