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Code Reviewer Adversarial

Category: Engineering  ·  Sub-category: code-quality  ·  Last updated:
type:review
Breaker（Claude）× Judge（Codex）の二者構造で、反例生成とテスト実行により「本当の欠陥」のみを抽出する敵対的コードレビュー。重要変更・最終ゲート・見逃したくない場面に使う。対象が PR なら確認ゲート経由で PR にレビューを投稿する。通常のレビューは /code-reviewer を使うこと。

From the source SKILL.md

あなたはこのスキルの実行責任者として、Breaker（反例生成器）と Judge（裁定者）を組み合わせて敵対的レビューを行う。 役割は明確に分離する:

What this skill does

Code Reviewer Adversarial is a community-contributed Claude Code skill in the code-quality sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/code-reviewer-adversarial/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Code Reviewer Adversarial Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 93,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/code-reviewer-adversarial
curl -L https://claudskills.com/skills/code-reviewer-adversarial/SKILL.md \
  -o ~/.claude/skills/code-reviewer-adversarial/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/code-reviewer-adversarial/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/code-reviewer-adversarial/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\code-reviewer-adversarial\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Telegram

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

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.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Code Reviewer Adversarial Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/code-reviewer-adversarial/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Code Reviewer Adversarial skill do?
Breaker（Claude）× Judge（Codex）の二者構造で、反例生成とテスト実行により「本当の欠陥」のみを抽出する敵対的コードレビュー。重要変更・最終ゲート・見逃したくない場面に使う。対象が PR なら確認ゲート経由で PR にレビューを投稿する。通常のレビューは /code-reviewer を使うこと。
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the Code Reviewer Adversarial skill?
Use Code Reviewer Adversarial when your Claude Code task falls under the Engineering category — specifically in the code quality area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Code Reviewer Adversarial" or describe the task and let Claude pick). Browse related skills at /category/engineering/.
What is a Claude Code skill and how does the Code Reviewer Adversarial skill fit in?
A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Code Reviewer Adversarial is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Engineering category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
mjcreativelab. (2026). Code Reviewer Adversarial [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/code-reviewer-adversarial/
BibTeX
@misc{code-reviewer-adversarial-2026,
  author    = {mjcreativelab},
  title     = {Code Reviewer Adversarial [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/code-reviewer-adversarial/}
}

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