Context7

Context7 by Upstash fetches the latest documentation for any library or framework and injects it directly into your AI agent's context. No more hallucinated APIs or outdated docs — get accurate, version-specific documentation every time.

Configuration

{
  "mcpServers": {
    "context7": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-context7"
      ]
    }
  }
}

Add this to your claude_desktop_config.json file.