codex

Review code, run adversarial challenges, and consult on coding questions.

Updated Jun 22, 2026

Search Tags:#code review #AI coding assistant #second opinion #code consultation #challenge mode

Ready to run

npx skills add https://github.com/GrassHopper42/ANTidy --skill codex-grasshopper42

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: codex
Source: https://github.com/GrassHopper42/ANTidy/tree/main/.claude/skills/gstack/codex
Command: npx skills add https://github.com/GrassHopper42/ANTidy --skill codex-grasshopper42

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires Bash, Read, Write, Glob, Grep, AskUserQuestion, and includes scripts (resource) and references (resource) components.

What problem does it solve?

Codex is designed to solve challenges in code review, adversarial coding challenges, and general consultation for developers.

Core Features & Use Cases

Code Review: Provides independent reviews, second opinions, and consultations on code changes.
Challenge Mode: Offers adversarial challenges to improve code quality and robustness.
Consultation: Answers any coding-related questions and provides insights with session continuity.

Quick Start

To start a code review, simply say: "codex review my code."

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?▼

To get an AI second opinion on your code changes, you can initiate a code review consultation by prompting the assistant to review your code, which provides independent feedback and insights.

What is challenge mode in an AI coding assistant?▼

Challenge mode in an AI coding assistant provides adversarial coding challenges to test and improve the quality, robustness, and overall reliability of your code implementations.

Can I use Bash and Grep for an AI code consultation?▼

Yes, you can use Bash and Grep for an AI code consultation as the assistant supports these dependencies to search, read, and analyze your codebase during the review session.

How do I start a code review session?▼

You can start a code review session by simply instructing the assistant with a command like "codex review my code" to trigger the automated analysis process.

Does the AI coding assistant maintain session continuity for ongoing consultations?▼

Yes, the AI coding assistant maintains session continuity to answer coding-related questions and provide ongoing consultation throughout your development workflow.