AI & Agents

agentOS

Last updated 2026-07-30 · benchmark measured 2026-08-09 — deterministic & reproducible

agentOS is a library that gives AI agents a lightweight operating system for execution and file management.

Is agentOS production-ready?

Legit.Show scores agentOS 69 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on agentOS (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 — 82/100
• Accessibility — 95/100
• Security — 25/100
• Privacy — 0/100
• Reliability — 100/100
• Standards — 92/100
• Discoverability — 90/100

What we measured

• No Content-Security-Policy and no HSTS.
• Served over HTTPS with a valid certificate.
• Real Lighthouse performance run — 434 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.
• Discoverable: structured data, OpenGraph image, canonical URL.

Who built it

Nicholas Kissel (@NathanFlurry)

Who it's for

AI agent developers · Backend engineers · Teams running multi-agent systems · Agentic application builders · Infrastructure-conscious organizations

Pricing

Free open-source library (npm install); pricing based on your own infrastructure costs rather than per-second sandbox billing

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