# Iron/Out UX Score Benchmark Muse connector

From musedirectory.ai, the independent directory of Meta Muse connectors. Not affiliated with Meta.

## Iron/Out UX Score Benchmark

Check how fast and smooth a website feels to real visitors, and compare it with competitor sites.

- Record: https://musedirectory.ai/connector/iron-out-ux-score-benchmark
- Category: Research & Data
- Developer: Iron/Out (https://www.iron-out.io/benchmark/)
- Muse status: Extra setup. Not in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
- Health: Working, 996ms, checked 2026-11-02T13:31:16Z
- Endpoint: https://www.iron-out.io/mcp
- Auth: No account needed; Pricing: unknown
- Screening: Screened, no issues found (2026-11-02T13:31:16Z)
- Source: Found in the official MCP Registry (io.iron-out/ux-benchmark) https://registry.modelcontextprotocol.io/v0/servers?search=io.iron-out%2Fux-benchmark

Scores any website from 0 to 100 using real-user Chrome UX Report data from the last 28 days, based on five Web Vitals (TTFB, FCP, LCP, INP, CLS). Compares up to five sites side by side with a ranking. Can estimate revenue at stake if you give a monthly revenue band. Sites with little Chrome traffic have no score.

Example request: "Compare my shop's site speed and user experience with wehkamp.nl and zalando.nl for real visitors."

How to connect: Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use Iron/Out UX Score Benchmark to help me. It is a free service with an MCP server at https://www.iron-out.io/mcp. It does not need an API key. Ask me before you share anything with it." Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.

Tools:
- 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 lin

Screening checks:
- MCP handshake: pass (Answered in 996ms)
- Domain against threat feeds (Cloudflare security DNS): pass (www.iron-out.io not flagged)
- Published packages against the OSV malicious-package database: n/a (No npm or PyPI package published)
- Hidden instructions or invisible characters in tool text: pass (2 tools read, nothing found)
- Inputs asking for passwords, card numbers or seed phrases: pass (None found)
- Domain and redirects: pass (No redirects off the domain)
- AI review of purpose and tool behavior: pass (No concerns)