Developer Tools
Supercov
Last updated 2026-09-02 · benchmark measured 2026-09-02 — deterministic & reproducible
Supercov measures code coverage and guides coding agents to write tests until gaps are closed.
Is Supercov production-ready?
Legit.Show scores Supercov 96 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Supercov (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Accessibility; its weakest is Discoverability. Every frame it averages is published with its evidence on the Legit.Show listing.
The 7 Frames
- Performance — 98/100
- Accessibility — 100/100
- Security — 100/100
- Privacy — 100/100
- Reliability — 100/100
- Standards — 86/100
- Discoverability — 85/100
What we measured
- Security headers present: CSP, HSTS, X-Frame-Options, X-Content-Type-Options, Referrer-Policy.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 160 ms to first byte.
- Returns a proper 404 for unknown routes.
- 3 of 3 sampled routes reachable.
- Has a reachable privacy policy.
- Sets cookies / loads scripts with no consent prompt.
- Discoverable: sitemap, OpenGraph image, canonical URL.
Who it's for
coding agents · developers using AI code assistants · software factories · teams optimizing token usage
Pricing
Free and open source
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