Developer Tools
design-extract
Source: Manavarya09/design-extract · ★ 3301 · JavaScript
Last updated 2026-06-20 · benchmark measured 2026-09-26 — deterministic & reproducible
Open-source CLI tool that reverse-engineers any website's design system.
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To cite this score: legit.show/s/gh-manavarya09-design-extract/2026-09-26. That address never changes; this page moves with every re-measure.
Legit.Show scored design-extract 74/100 on 2026-09-26, measured across all 7 frames from its public surface. legit.show/s/gh-manavarya09-design-extract/2026-09-26
Is design-extract production-ready?
Legit.Show scores design-extract 74 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on design-extract (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 — 58/100
- Accessibility — 93/100
- Security — 45/100How this compares across the catalogue: The Web Security Baseline
- Privacy — 25/100How this compares across the catalogue: The Privacy Gap
- Reliability — 100/100
- Standards — 100/100
- Discoverability — 100/100
What we measured
- Security headers present: HSTS.
- No Content-Security-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.
- No privacy policy found.
- Sets cookies / loads scripts with no consent prompt.
Who built it
Manav Arya Singh (@ManavAryaSingh)
Who it's for
Designers · Developers · AI agents · Design systems teams · Web developers
Pricing
Free (2/day demo, unlimited via CLI), open-source MIT license
Sources and updates
- Description
- Taken from designlang.app's own website on 2026-06-20.
- Operator
- Manav Arya Singh, as named in designlang.app's terms, privacy page or footer.
- Code
- github.com/Manavarya09/design-extract.
- Benchmark
- Measured by Legit.Show from the live site, the way any visitor sees it — with no access to its code or accounts. Same method for every product, and no AI decides the score. Last checked 2026-09-26.
Put together from public information, without design-extract's involvement. If anything here is wrong, tell us and a person will check it.
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