with-codex

Installation
SKILL.md

With Codex - Claude and Codex Collaboration

This skill enables collaboration between Claude Code and OpenAI Codex CLI for second opinions, validation, and collaborative problem-solving.

CRITICAL REQUIREMENT

Claude Code MUST be running inside a tmux session for this skill to work.

If not in tmux, inform the user: "このスキルを使用するには、tmuxセッション内でClaude Codeを起動する必要があります。以下のコマンドを実行してください:

tmux new-session -s claude
claude

"

Environment Requirements

Related skills
Installs
22
First Seen
Jan 26, 2026