CO

Uses an external model to review code written by the primary agent for unbiased quality checks.

Install

mkdir -p .claude/skills/codex-review-hyperb1iss && curl -L -o skill.zip "https://agentskills.codes/api/skills/download/19455" && unzip -o skill.zip -d .claude/skills/codex-review-hyperb1iss && rm skill.zip

Installs to .claude/skills/codex-review-hyperb1iss

Activation

This is the description your AI agent reads to decide when to run this skill — the better it matches your request, the more reliably it fires.

Use this skill for code reviews using the Codex CLI from a Claude-hosted session. Activates on mentions of codex review, code review with codex, codex check, gpt review, codex exec review, run codex, review my code, review this PR, review changes, peer review, or second opinion.
279 chars✓ has a “when” triggerlonger than Claude Code's old 250-char listing cap (fine on current versions)
Advanced

Key capabilities

  • Perform cross-model code reviews
  • Execute Codex CLI commands for validation
  • Review specific branches, commits, or working trees
  • Capture review output to files

How it works

The skill uses the Codex CLI to perform an independent code review, use a different architectural model to avoid self-review bias.

Inputs & outputs

You give it
Code diff or file path
You get back
Codex-generated review findings

When to use codex-review

  • Perform cross-model peer review
  • Check PRs for overlooked bugs
  • Get a second opinion on code logic
  • Verify code quality using external CLI

About codex-review

Facilitates independent code reviews by utilizing the Codex CLI as a secondary validator. By using a different architectural model for the review, it catches bugs that the primary model might overlook due to self-review bias.

Use this skill for code reviews using the Codex CLI from a Claude-hosted session. Activates on mentions of codex review, code review with codex, codex check, gpt review, codex exec review, run codex, review my code, review this PR, review changes, peer review, or second opinion.

When not to use it

  • Formatting or linting tasks
  • Evaluating product direction or UX
  • Self-reviewing Claude's own code

Prerequisites

Codex CLI installed and authenticated

Limitations

  • Not a replacement for human review
  • 5–15% false positive rate
  • Output exceeding 100KB requires splitting

How it compares

It utilizes a separate model architecture for validation rather than relying on the primary model's self-assessment.

Compared to similar skills

codex-review side by side with the closest alternatives in the catalog.

SkillInstallsUpdatedSafetyDifficulty
codex-review (this skill)01moReviewAdvanced
effective-go32310moNo flagsBeginner
architect-review1094moNo flagsAdvanced
resolve-conflicts819moReviewIntermediate

Try saying

Example prompts that trigger this skill in your AI assistant.

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