Legit.Show measured Castforge's Security frame at 100/100. Security headers present: CSP, HSTS, X-Frame-Options, X-Content-Type-Options, Referrer-Policy. Served over HTTPS with a valid certificate.

How does Legit.Show measure Castforge?

Legit.Show scores seven frames — Performance, Accessibility, Security, Privacy, Reliability, Standards and Discoverability — deterministically from the public surface (URL, HTTP headers, real Lighthouse), with no LLM in the scoring path. See legit.show/methodology.

AI & Agents

Castforge

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

Castforge is a desktop workspace that runs a team of AI coding agents on your machine.

97/100

7/7 frames

Top 2% of 14,138 measured · #1 of 57 in ai coding agent

Legit Benchmark — the simple average of 7 measured frames. Frames we could not measure are left out of the average, never counted as zero. Every frame is shown below with its evidence.

Checked 2026-09-09 · scores move as sites change

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To cite this score: legit.show/s/castforge-ai/2026-09-09. That address never changes; this page moves with every re-measure.

Legit.Show scored Castforge 97/100 on 2026-09-09, measured across all 7 frames from its public surface. legit.show/s/castforge-ai/2026-09-09

Is Castforge production-ready?

Legit.Show scores Castforge 97 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Castforge (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Security; its weakest is Standards. Every frame it averages is published with its evidence on the Legit.Show listing.

The 7 Frames

Performance — 95/100
Accessibility — 93/100
Security — 100/100
How this compares across the catalogue: The Web Security Baseline
Privacy — 100/100
How this compares across the catalogue: The Privacy Gap
Reliability — 100/100
Standards — 92/100
Discoverability — 100/100

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 — 188 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: structured data, sitemap, OpenGraph image, canonical URL.

Who built it

Julien Abenhaim · product account @castforge

Who it's for

AI developers · coding teams · software engineers · teams using AI coding assistance

Pricing

Free during early access; no per-token markup from Castforge; users pay providers (Anthropic, OpenAI, Google, GitHub) directly for model usage

Sources and updates

Description: Taken from castforge.ai's own website on 2026-09-09.
Operator: 9569-2893 Québec inc., as named in castforge.ai's terms, privacy page or footer.
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 2026-09-09.

Put together from public information, without Castforge's involvement. If anything here is wrong, tell us and a person will check it.

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