codex

Run Codex CLI review, challenge, or consult modes on code diffs.

Updated Mar 30, 2026

Search Tags:#cli #codex #ai #code-review #adversarial #second-opinion

Ready to run

npx skills add https://github.com/mulyoved/awesome-agent-ides --skill codex-mulyoved

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: codex
Source: https://github.com/mulyoved/awesome-agent-ides/tree/main/.agents/skills/gstack/codex
Command: npx skills add https://github.com/mulyoved/awesome-agent-ides --skill codex-mulyoved

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Provides an independent, brutally honest second opinion on code changes via the Codex CLI to help engineers validate approaches, surface edge cases, and stress-test proposals beyond standard reviews.

Core Features & Use Cases

Independent code-review gate: evaluate diffs using Codex with pass/fail-style feedback.
Adversarial mode: challenge changes by attempting to break implementations.
Conversation continuity: maintain session context for follow-ups and clarifications.

Quick Start

Launch the codex skill by running /codex in your chat to get a second-opinion on code changes.

Frequently Asked Questions about codex

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I get an AI second opinion on my code changes?▼

An AI second opinion on code changes evaluates your diffs to assess quality and robustness. The codex skill runs Codex in review, challenge, or consult mode against pull requests and base-branch comparisons to provide independent feedback.

How does adversarial code review work for stress-testing implementations?▼

Adversarial code review challenges changes by actively attempting to break implementations. The codex skill uses this challenge mode to surface edge cases and stress-test proposals beyond standard review processes.

Do I need the codex CLI installed to run code reviews on pull requests?▼

Yes, you need the codex CLI installed to run code reviews on pull requests. The skill requires the CLI and repository access to analyze diffs and generate prompts for independent feedback.

Can I maintain conversation context for follow-up questions after a code review?▼

Yes, you can maintain conversation context for follow-up questions after a code review. The codex skill preserves session context to support continuous clarifications regarding your diffs.

What is the best way to validate code quality beyond standard pull request reviews?▼

The best way to validate code quality beyond standard reviews is using an independent AI gate. The codex skill evaluates diffs with pass/fail-style feedback to surface edge cases and validate approaches.