codex

Review code diffs with pass/fail gates via the Codex CLI.

Updated Mar 15, 2026

Search Tags:#cli #codex #developer-tools #ai-assistant #code-review #adversarial

Ready to run

npx skills add https://github.com/lachieh/babytalk --skill codex-lachieh

💬 Prompt for ChatGPT / Claude Chat▼

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

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Provides an independent, brutally honest second opinion on code changes by wrapping the OpenAI Codex CLI, offering three modes: review, challenge, and consult, to surface issues early and guide safer shipping.

Core Features & Use Cases

Independent diff review with a gate via codex review to validate changes.
Adversarial testing mode that attempts to break or challenge assumptions in the code.
Consult mode with session continuity to ask Codex questions and follow up prompts.

Quick Start

Install the Codex CLI if you haven't yet and run codex review on your branch to get an independent verdict.

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 second opinion on my code changes before shipping?▼

You can get an independent code review by running the Codex CLI review mode, which provides diff-based analysis with a pass/fail gate to surface issues early and guide safer shipping.

What is adversarial code review and how does it challenge my code assumptions?▼

Adversarial code review is a testing mode that attempts to break or challenge assumptions in your code. It uses the Codex CLI challenge mode to actively find vulnerabilities and logical flaws in your changes.

Can I ask an AI assistant follow-up questions about my code with session continuity?▼

Yes, you can ask an AI assistant follow-up questions with session continuity using the Codex CLI consult mode. This allows you to ask Codex anything about your codebase and maintain context for follow-up prompts.

How do I run a diff-based code review using the Codex CLI?▼

To run a diff-based code review, install the Codex CLI and execute codex review on your branch. This validates your changes and provides an independent pass/fail verdict on the code quality.

Do I need to install the Codex CLI separately before using these code review modes?▼

Yes, you need to install the Codex CLI separately. The Skill wraps the OpenAI Codex CLI to provide review, challenge, and consult modes, handling telemetry prompts and formatting the results for you.