Developer Tools

MUS

Last updated 2026-07-05 · benchmark measured 2026-08-09 — deterministic & reproducible

MUS adds inline user feedback tools to AI outputs, dashboards, and reports.

Is MUS production-ready?

Legit.Show scores MUS 76 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on MUS (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Reliability; its weakest is Privacy. Every frame it averages is published with its evidence on the Legit.Show listing.

The 7 Frames

• Performance — 98/100
• Accessibility — 94/100
• Security — 45/100
• Privacy — 25/100
• Reliability — 100/100
• Standards — 92/100
• Discoverability — 75/100

What we measured

• Security headers present: X-Content-Type-Options, Referrer-Policy.
• No Content-Security-Policy and no HSTS.
• Served over HTTPS with a valid certificate.
• Real Lighthouse performance run — 109 ms to first byte.
• Returns a proper 404 for unknown routes.
• 2 of 2 sampled routes reachable.
• No privacy policy found.
• Sets cookies / loads scripts with no consent prompt.

Who it's for

AI product teams · Dashboard and analytics platforms · E-learning platforms · Internal tool builders · Product teams managing user feedback

Pricing

Open source · MIT license · No pricing stated

Visit MUS → · Alternatives to MUS → · How this was measured →