Google CrUX MCP

io.github.A1-x-Tech/mcp-google-crux

Real-user Core Web Vitals from the Chrome UX Report (CrUX) API for any origin or URL.

View repository →Homepage →

Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "mcp-google-crux": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-google-crux@1.2.1"
      ],
      "env": {
        "CRUX_API_KEY": "<your CRUX_API_KEY>",
        "CRUX_API_BASE": "https://chromeuxreport.googleapis.com",
        "CRUX_TIMEOUT_MS": "30000",
        "CRUX_MAX_RETRIES": "3"
      }
    }
  }
}
Environment variables
  • CRUX_API_KEYrequiredsecretGoogle Cloud API key with the Chrome UX Report API enabled (sent as the key= query parameter). Treat it as a secret.
  • CRUX_API_BASEAPI root host override.
  • CRUX_TIMEOUT_MSPer-request timeout in milliseconds.
  • CRUX_MAX_RETRIESRetries on transient errors (429, 5xx, network).

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
1.2.1
Registry
active
Published
10/31/2026

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