Developer Tools

CRUNCH

Last updated 2026-08-12 · benchmark measured 2026-08-12 — deterministic & reproducible

An embedded compiler translating a statically typed subset of R7RS Scheme to C code.

Is CRUNCH production-ready?

Legit.Show scores CRUNCH 58 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on CRUNCH (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Reliability; its weakest is Security. Every frame it averages is published with its evidence on the Legit.Show listing.

The 7 Frames

• Performance — 99/100
• Accessibility — 90/100
• Security — 10/100
• Privacy — 25/100
• Reliability — 100/100
• Standards — 66/100
• Discoverability — 15/100

What we measured

• No Content-Security-Policy and no HSTS.
• Served over HTTPS with a valid certificate.
• Real Lighthouse performance run — 1047 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 it's for

Scheme developers · Systems programmers · Embedded systems developers · Performance-critical applications

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