Frameworks & Starter Kits
langchain
Last updated 2026-06-11 · benchmark measured 2026-08-09 — deterministic & reproducible
LangChain is a configurable Python framework for building LLM-powered agents.
Is langchain production-ready?
Legit.Show scores langchain 70 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on langchain (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 — 34/100
- Accessibility — 94/100
- Security — 80/100
- Privacy — 25/100
- Reliability — 100/100
- Standards — 79/100
- Discoverability — 80/100
What we measured
- Security headers present: CSP, HSTS, X-Frame-Options.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 159 ms to first byte.
- Returns a proper 404 for unknown routes.
- 2 of 2 sampled routes reachable.
- No privacy policy found.
- Sets cookies / loads scripts with no consent prompt.
- Discoverable: structured data, sitemap, OpenGraph image, canonical URL.
Who built it
product account @LangChain
Who it's for
AI developers · Agent builders · LLM application developers · Python developers
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