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codex-security

82 / 100 · Low risk

Fine to try. Some of what it can do is expected: a security skill usually runs scanners and checks websites.

By b-open-io/prompts (GitHub) · security · 15 stars · scanned at commit f4b302a

Run OpenAI's agentic security scanner (`@openai/codex-security`) over a repo, PR, or diff, then triage, patch, and gate on its findings. Use for 'run a codex security scan', 'find vulnerabilities in this PR', 'export findings as SARIF', 'fix that security finding', 'compare this scan to the last one', or when a pattern sweep came back thin. Not for dependency CVEs, secrets, or licenses (code-audit-scripts, bun audit).

Works with any agent that supports SKILL.md skills.

What this skill can do

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'codex-security' ] || [ -L ~/.agents/skills/'codex-security' ]; then echo 'A skill folder named codex-security already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/b-open-io/prompts' "$d" && git -C "$d" checkout --quiet 'f4b302aadb0c99023b03e1f1b38ffed3697fbedf' -- 'modules/review/skills/codex-security' && mkdir -p ~/.agents/skills && cp -R "$d"/'modules/review/skills/codex-security' ~/.agents/skills/'codex-security' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'codex-security' ~/.claude/skills/'codex-security' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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