Security Skills for OpenAI Codex
Skills for auditing code, finding vulnerabilities and running security tools from your agent. Every listing below works with OpenAI Codex. Free GitHub projects and paid options are ranked together.
Updated October 2026 · 4 listings · stars refreshed daily from GitHub
How to add security skills to OpenAI Codex
Skills follow the open Agent Skills format: a folder with a SKILL.md file. Copy the folder into the skills directory your app reads, then restart the session so the new description is picked up.
SkillSpector 🧩 SkillOpen source
NVIDIA's scanner for Agent Skills: finds prompt injection, exfiltration and supply-chain risks
Trail of Bits Skills 🧩 SkillFree
Security auditing skills from the Trail of Bits research team
CTF Skills 🧩 SkillOpen source
Agent Skills for solving CTF challenges across web, pwn, crypto, reverse, forensics and OSINT
claude-bughunter 🧩 SkillOpen source
Skill bundle for authorized bug hunting and external red-team work, with scope gates and reporting
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