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.

Code

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.

MCP server npm demo — comparing react vs preact from Claude Desktop

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:

config.json

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

With Cursor

Add to your .cursor/mcp.json:

config.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

Terminal

npm install
npm test
npm run build

Author

_{README built with README Builder}

Npm Search README