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codex

Review code diffs via OpenAI Codex CLI with pass/fail gating.

Updated Mar 30, 2026
Search Tags:#cli#codex#code-review#dev-tools#second-opinion#ai-assistance
One-click install
npx skills add https://github.com/ligianehua/Gstack --skill codex-ligianehua
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: codex
Source: https://github.com/ligianehua/Gstack/tree/main/codex
Command: npx skills add https://github.com/ligianehua/Gstack --skill codex-ligianehua

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

The Codex CLI wrapper provides a brutal, independent second opinion on code changes by interfacing with the OpenAI Codex CLI to review, challenge, or answer questions.

Core Features & Use Cases

  • Independent review: perform a diff review with a pass/fail gate.
  • Adversarial testing: run a challenge mode that tries to break your code.
  • Interactive consultation: ask Codex for a quick, session-continuous answer to questions about your code.
  • Use cases: use after a PR to validate changes, or to sanity-check complex parts of a feature.

Quick Start

Run /codex review on your latest diff to get a second opinion.

Frequently Asked Questions about codex

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

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

You can get an independent AI second opinion by running the Codex CLI wrapper on your latest diff, which provides a pass or fail gate based on a standardized prompt boundary.

Can I use Codex CLI to adversarially test and challenge my code?▼

Yes, you can use Codex CLI to adversarially test code by running challenge mode, which attempts to break your logic. This mode covers adversarial testing to safely validate complex feature parts.

Does the Codex CLI wrapper support interactive consultation for coding questions?▼

Yes, the Codex CLI wrapper supports interactive consultation through consult mode, allowing you to ask questions about your code. It provides quick answers with session continuity for ongoing development.

Do I need the OpenAI Codex CLI installed to use this code review wrapper?▼

Yes, you need the OpenAI Codex CLI installed locally to use this wrapper. It interfaces directly with the installed CLI to provide deterministic outputs via gated results and standardized prompts.

What is the best way to validate code changes after a pull request?▼

The best way to validate code changes after a pull request is to run a review on your latest diff. This provides a brutal second opinion and a pass/fail gate to ensure code safety.

When should I use challenge mode versus review mode for code validation?▼

Use review mode for safe diff validation with a pass/fail gate, and use challenge mode when you need adversarial testing to actively try breaking your code. Consult mode fits interactive questions.

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