Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Codex's capabilities with specialized knowledge, workflows, or tool integrations.
Install
npx skills add openai/skills --skill skill-creatornpx skills add openai/skills --skill skill-creator -a claude-code -gnpx skills add openai/skills --skill skill-creator -a codex -ggemini skills install https://github.com/openai/skills.git --path skills/.system/skill-creatorgh skill install openai/skills skill-creatorgit clone --depth 1 https://github.com/openai/skills /tmp/openai__skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/openai__skills/skills/.system/skill-creator ~/.claude/skills/skill-creator # Claude Code
cp -R /tmp/openai__skills/skills/.system/skill-creator ~/.agents/skills/skill-creator # Codex, Cursor, Gemini CLI, Copilot, OpenCode