NestDaddy

Iron/Out UX Score Benchmark

io.iron-out/ux-benchmark · v1.0.0

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

Connect Remote server

Terminal
claude mcp add --transport http ux-benchmark https://www.iron-out.io/mcp
~/.cursor/mcp.json
{
  "mcpServers": {
    "ux-benchmark": {
      "url": "https://www.iron-out.io/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "ux-benchmark": {
      "type": "http",
      "url": "https://www.iron-out.io/mcp"
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://www.iron-out.io/mcp

Tools 2 found in our last check

  • run_ux_benchmark

    Returns the Iron/Out UX Score (0 to 100) for one website, using real-user Chrome UX Report (CrUX) data from the last 28 days. The score is built on five Web Vitals: TTFB (10%), FCP (15%), LCP (25%), INP (25%) and CLS (25%). Use this when the user asks how fast or user-friendly a…

  • compare_sites

    Compares the Iron/Out UX Score of 2 to 5 websites side by side, using real-user Chrome UX Report (CrUX) data from the last 28 days (Web Vitals: TTFB, FCP, LCP, INP, CLS). Use this for competitor or sector comparisons. It runs no lab test or Lighthouse. Returns a ranking and a li…

Details

Endpointhttps://www.iron-out.io/mcp (Streamable HTTP)
First published2 Nov 2026
Last updated2 Nov 2026
Registry nameio.iron-out/ux-benchmark

More other servers See all

Listing data from the official MCP registry. Status and tools from NestDaddy's daily check. Browse all MCP servers.