command-codex

A Claude Code slash command for delegating tasks to OpenAI Codex CLI.

Installation

# Clone to your preferred location
git clone git@github.com:claude-commands/command-codex.git <clone-path>/command-codex

# Symlink (use full path to cloned repo)
ln -s <clone-path>/command-codex/codex.md ~/.claude/commands/codex.md

Usage

/codex analyze this codebase for security vulnerabilities

Models (Nov 2025)

Model	Best For
gpt-5.1-codex-max	Complex, long-running tasks (can run 24+ hours)
gpt-5.1-codex	Fast, balanced performance
gpt-5-codex-mini	Simple tasks, cost-efficient

Reasoning Levels

Level	Use Case
low	Quick responses
medium	Daily driver (default)
high	Complex problems
xhigh	Maximum thinking

Sandbox Modes

Mode	Description
read-only	Analysis only (default)
workspace-write	Can edit files
danger-full-access	Full system access

Requirements

• Codex CLI installed
• OpenAI API access

Updates

cd <clone-path>/command-codex && git pull