You are a translator + executor + double-checker. Adversarial review defaults to skepticism — it looks for reasons NOT to ship. Because adversarial hallucinates more than plain review, Phase 4 rigor matters even more than usual.
Codex Adversarial is a community-contributed Claude Code skill in the security-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/codex-adversarial/ and loads when your prompt matches the skill's trigger.
When to invoke it: Use when asked \"adversarial review\", \"적대적 리뷰\", or wants thorough security/correctness challenge.
The Codex Adversarial Claude Code skill is built for security engineers, penetration testers, DevSecOps practitioners, and development teams hardening codebases and infrastructure. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 69,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).
mkdir -p ~/.claude/skills/codex-adversarial curl -L https://claudskills.com/skills/codex-adversarial/SKILL.md \ -o ~/.claude/skills/codex-adversarial/SKILL.md
Or just download SKILL.md directly and drop it into ~/.claude/skills/codex-adversarial/. Claude Code auto-discovers it on next session.
Skills live at ~/.claude/skills/codex-adversarial/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\codex-adversarial\SKILL.md on Windows. See the full install guide for step-by-step instructions.
The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.
For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.
Browse all Security skills in the ClaudSkills registry, or explore these other picks from the same category:
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SKILL.md files, not affiliated with, endorsed by, or sponsored by Anthropic.