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

README built with README Builder

License

MIT © Ofer Shapira