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Cline

Google CrUX MCP for Cline

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.

client:Cline transport:stdio runtime:npm

Install Google CrUX MCP in Cline

~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json · windows: %APPDATA%\Code\User\globalStorage\saoudrizwan.claude-dev\settings\cline_mcp_settings.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "mcp-google-crux": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-google-crux"
      ],
      "env": {
        "CRUX_API_KEY": "<CRUX_API_KEY>",
        "CRUX_API_BASE": "<CRUX_API_BASE>",
        "CRUX_TIMEOUT_MS": "<CRUX_TIMEOUT_MS>",
        "CRUX_MAX_RETRIES": "<CRUX_MAX_RETRIES>"
      }
    }
  }
}

Cline's MCP Servers pane edits this file for you if you would rather not find it. Cline docs

Google CrUX MCP in other clients

Google CrUX MCP MCP server