codex

Review code diffs with Codex CLI in review, challenge, and consult modes.

107|19|Updated Mar 23, 2026

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

Ready to run

npx skills add https://github.com/mr-daedalium/ostack --skill codex-mr-daedalium

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: codex
Source: https://github.com/mr-daedalium/ostack/tree/main/codex
Command: npx skills add https://github.com/mr-daedalium/ostack --skill codex-mr-daedalium

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Provide independent, brutally honest assessments of code changes using Codex CLI to surface issues teams might miss during standard reviews.

Core Features & Use Cases

Independent code reviews of diffs using Codex CLI with gating and streaming outputs.
Adversarial testing (challenge mode) to uncover edge cases, security and resilience risks.
Consult mode for on-demand prompts with session continuity and provenance.

Quick Start

Invoke one of the three modes: /codex review, /codex challenge, or /codex consult and provide your prompt.

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 a code review?▼

You can get an independent second opinion on a code review by running the Codex CLI against your branch diffs. The review mode provides brutal, automated assessments to surface issues standard checks might miss.

Can I use adversarial testing to find security risks in my code changes?▼

Yes, you can use adversarial testing to find security risks by invoking challenge mode. It uncovers edge cases and resilience vulnerabilities in your diffs through independent CLI assessments.

What is the best way to audit AI assistant prompts for provenance?▼

The best way to audit AI assistant prompts for provenance is using consult mode. It provides on-demand prompt execution with session continuity, streaming outputs, and cost reporting for safe, auditable results.

Does the Codex CLI require any dependencies to run code reviews?▼

No dependencies are required to run code reviews with the Codex CLI. The Skill operates independently to wrap the CLI and deliver brutally honest assessments of your branch diffs.

How do I report costs when streaming code review outputs?▼

You report costs when streaming code review outputs by using the built-in cost reporting feature. The Skill wraps the Codex CLI to stream results and automatically report expenses during your review sessions.