How do I trigger a Codex analysis?

You can simply ask Claude Code to 'Review this codebase with Codex' or 'Use Codex to find security issues in src/auth.ts' and it will automatically invoke the tool.

Does this skill require a separate installation?

Yes, you must have the Codex CLI installed globally via npm (npm install -g @openai/codex) and have a valid OPENAI_API_KEY set in your environment variables.

Why use this instead of just asking Claude normally?

The Codex CLI is specifically optimized for large-scale codebase traversal and analysis, providing a specialized second opinion that complements Claude's native reasoning capabilities.

Is it safe to run on my local project?

Yes. The skill is configured to run in a read-only sandbox mode, meaning it can analyze and read your code to provide insights but cannot modify or delete any files.

Codex Assistant

Name: Codex Assistant
Author: s4na

bys4na

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セキュリティとテスト

Integrates OpenAI's Codex CLI to perform automated code reviews, security audits, and deep codebase analysis.

The Codex Skill enhances Claude Code by providing a specialized companion for complex architectural analysis and automated code reviews. By leveraging the OpenAI Codex CLI, this skill allows Claude to perform deep-dive investigations into project structures, identify security vulnerabilities, and offer a powerful 'second opinion' on difficult bugs. It operates within a read-only sandbox to ensure safety while providing real-time visibility into the analysis process, making it an essential tool for maintaining high code quality and understanding large, unfamiliar codebases.