AI & Agents
Excalibur
Open-source AI coding agent that covers the full product cycle, not just code edits.
Overall production-readiness score — reserved
Legit.Show benchmarked Excalibur across all seven frames. The single overall score is shown to the verified maker; the frame-by-frame breakdown is public below.
Is Excalibur production-ready?
Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Excalibur (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Reliability; its weakest is Security. The per-frame breakdown is public on the Legit.Show listing; the single overall production-readiness score is reserved for the verified maker.
The 7 Frames
- Performance — 95/100
- Accessibility — 92/100
- Security — 45/100
- Privacy — 75/100
- Reliability — 100/100
- Standards — 100/100
- Discoverability — 87/100
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 — 180 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.
Who it's for
Product engineers · Development teams · Startups · Enterprise organizations · Individual developers
Pricing
Core: Free forever (Apache-2.0). Enterprise: Custom pricing based on seats and usage