Iron/Out UX Score Benchmark for Cursor

io.iron-out/ux-benchmark

UX Score and Web Vitals (TTFB, FCP, LCP, INP, CLS) for any website, from real-user CrUX data.

client:Cursor transport:streamable-http tools:2

Install Iron/Out UX Score Benchmark in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json

{
  "mcpServers": {
    "ux-benchmark": {
      "url": "https://www.iron-out.io/mcp"
    }
  }
}

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs