Create or update a Codex skill with appropriately scoped instructions and any needed supporting resources.
Install
npx skills add openai/codex --skill skill-creatornpx skills add openai/codex --skill skill-creator -a claude-code -gnpx skills add openai/codex --skill skill-creator -a codex -ggemini skills install https://github.com/openai/codex.git --path codex-rs/skills/src/assets/samples/skill-creatorgh skill install openai/codex skill-creatorgit clone --depth 1 https://github.com/openai/codex /tmp/openai__codex
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/openai__codex/codex-rs/skills/src/assets/samples/skill-creator ~/.claude/skills/skill-creator # Claude Code
cp -R /tmp/openai__codex/codex-rs/skills/src/assets/samples/skill-creator ~/.agents/skills/skill-creator # Codex, Cursor, Gemini CLI, Copilot, OpenCode