Codex Image Generation Skill

Generate and edit images via codex exec with the built-in image_gen tool. No OPENAI_API_KEY required.

Prerequisites

Codex CLI

# Mac / Linux (recommended)
curl -fsSL https://chatgpt.com/codex/install.sh | sh

# Homebrew
brew install --cask codex

# npm
npm install -g @openai/codex