CodexMCP: Claude Code & Codex Collaboration

Skill by ara.so — Codex Skills collection.

CodexMCP is an MCP (Model Context Protocol) server that enables seamless collaboration between Claude Code and Codex. It bridges these two AI coding assistants, allowing Claude Code to handle architecture and planning while Codex handles implementation and debugging, with features like session persistence, parallel execution, and reasoning trace tracking.

What It Does

CodexMCP provides:

• Multi-round dialogue between Claude Code and Codex with session management
• Parallel task execution with isolated session IDs
• Reasoning trace tracking for detailed debugging insights
• Enhanced error handling and workspace safety controls
• Session persistence across multiple interactions

Installation

Prerequisites