Internal helper contract for calling the codex-companion runtime from Claude Code
Install
npx skills add openai/codex-plugin-cc --skill codex-cli-runtimenpx skills add openai/codex-plugin-cc --skill codex-cli-runtime -a claude-code -gnpx skills add openai/codex-plugin-cc --skill codex-cli-runtime -a codex -ggemini skills install https://github.com/openai/codex-plugin-cc.git --path plugins/codex/skills/codex-cli-runtimegh skill install openai/codex-plugin-cc codex-cli-runtimegit clone --depth 1 https://github.com/openai/codex-plugin-cc /tmp/openai__codex-plugin-cc
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/openai__codex-plugin-cc/plugins/codex/skills/codex-cli-runtime ~/.claude/skills/codex-cli-runtime # Claude Code
cp -R /tmp/openai__codex-plugin-cc/plugins/codex/skills/codex-cli-runtime ~/.agents/skills/codex-cli-runtime # Codex, Cursor, Gemini CLI, Copilot, OpenCode