AI & Agents

Stylus

Last updated 2026-06-23 · benchmark measured 2026-08-09 — deterministic & reproducible

A Claude AI-powered system for generating on-brand HTML emails from a single uploaded file.

Is Stylus production-ready?

Legit.Show scores Stylus 69 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Stylus (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 — 75/100
• Accessibility — 87/100
• Security — 45/100
• Privacy — 25/100
• Reliability — 100/100
• Standards — 92/100
• Discoverability — 60/100

What we measured

• Security headers present: HSTS.
• No Content-Security-Policy.
• Served over HTTPS with a valid certificate.
• Real Lighthouse performance run — 239 ms to first byte.
• Returns a proper 404 for unknown routes.
• 1 of 1 sampled routes reachable.
• No privacy policy found.
• Sets cookies / loads scripts with no consent prompt.

Who it's for

Email marketers · Brand-conscious businesses · Mailchimp users · SaaS companies · E-commerce businesses

Pricing

$49 for theme pack

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