head to head · open source
codex-security vs Adrian
codex-security has 10,750 GitHub stars, 797 forks, 220 open issues and last shipped yesterday. Adrian has 566 stars, 93 forks, 6 open issues and last shipped 3 days ago. codex-security leads on adoption by 1,799% (10,750 vs 566 stars). codex-security is written in TypeScript under Apache-2.0; Adrian is written in Python under Apache-2.0. codex-security has attracted 7% as many forks as stars, Adrian 16%. codex-security was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (ai-security), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| codex-security | Adrian | |
|---|---|---|
| GitHub stars | ★ 11K | ★ 566 |
| License | Apache-2.0 | Apache-2.0 |
| Written in | TypeScript | Python |
| Last push | 2026-09-17 | 2026-09-15 |
| Forks | ⑂ 797 | ⑂ 93 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick codex-security if
- You weight community size — 11K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick Adrian if
- You want the Adrian feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and Adrian fits your workflow better
About codex-security
Codex Security is OpenAI's command line tool and TypeScript SDK, published on npm as @openai/codex security , that finds, validates, and fixes security vulnerabilities in a codebase, and it serves application security engineers, DevSecOps teams, and developers who want that scanning to run from their own terminal or CI.
read the full codex-security overview →
About Adrian
Adrian is an open source, Apache 2.0 licensed runtime security engine for AI agents that inspects both what an agent does and why it does it, and can block or hold a risky action before it lands — aimed at teams shipping LLM agents on stacks such as LangChain and LangGraph.
read the full Adrian overview →
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Frequently asked questions
Is codex-security or Adrian more popular?
codex-security has 10,750 GitHub stars and Adrian has 566. codex-security has the larger community by that measure.
Are codex-security and Adrian free?
Both are open source. codex-security is licensed under Apache-2.0 and Adrian under Apache-2.0. Neither carries a licence fee.
What is the difference between codex-security and Adrian?
codex-security is written in TypeScript and Adrian in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, codex-security or Adrian?
Choose codex-security if you want the larger community (10,750 stars) or its Apache-2.0 licence terms. Choose Adrian if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.