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codex

Review code diffs and plans with Codex CLI in Review, Challenge, or Consult modes.

Updated Aug 27, 2026
Search Tags:#cli#codex#code-review#second-opinion#ai-review#diff-analysis
One-click install
npx skills add https://github.com/gfires/motion-analysis --skill codex-gfires
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: codex
Source: https://github.com/gfires/motion-analysis/tree/main/codex
Command: npx skills add https://github.com/gfires/motion-analysis --skill codex-gfires

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This tool provides an independent, brutally honest Codex-based evaluation to review or challenge code changes, helping developers spot issues faster.

Core Features & Use Cases

  • Independent second opinion for code diffs and plans using the Codex CLI.
  • Supports multiple modes: review, challenge, and consult, with session continuity for follow-ups.
  • Enforces a structured, fast feedback loop with deterministic gatekeeping for reviews.

Quick Start

Run the Codex CLI against your current diff or plan to obtain 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 code review for my current diff?▼

To get an independent AI code review for your diff, run the Codex CLI against your current changes. The tool applies deterministic pass/fail gatekeeping to provide an independent second opinion on your code.

What is the difference between review, challenge, and consult modes for diff analysis?▼

Diff analysis modes differ by intent: review enforces deterministic pass/fail gates, challenge runs adversarial checks to find flaws, and consult applies contextual prompts for guidance. All modes support session continuity for follow-up questions.

Can I use the Codex CLI to challenge a code plan before implementation?▼

Yes, you can use the Codex CLI to challenge a code plan before implementation. The challenge mode performs adversarial checks on your plans and diffs, providing an independent evaluation to spot potential issues early.

Does the Codex CLI support session continuity for follow-up code reviews?▼

Yes, the Codex CLI supports session continuity for follow-up code reviews. You can maintain context across multiple interactions when reviewing diffs, challenging plans, or consulting on code changes.

When should I use an independent second opinion for code changes?▼

You should use an independent second opinion for code changes when you need a brutally honest evaluation to spot issues faster. It is ideal for enforcing structured feedback loops and deterministic gatekeeping before merging diffs.

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