Refine the user's existing plan, decision, or draft through relentless refinement. Use when the user wants to sharpen or stress-test their thinking.
Install
npx skills add microsoft/cat-agent-skills --skill idea-refinernpx skills add microsoft/cat-agent-skills --skill idea-refiner -a claude-code -gnpx skills add microsoft/cat-agent-skills --skill idea-refiner -a codex -ggemini skills install https://github.com/microsoft/cat-agent-skills.git --path submissions/idea-refinergh skill install microsoft/cat-agent-skills idea-refinergit clone --depth 1 https://github.com/microsoft/cat-agent-skills /tmp/microsoft__cat-agent-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/microsoft__cat-agent-skills/submissions/idea-refiner ~/.claude/skills/idea-refiner # Claude Code
cp -R /tmp/microsoft__cat-agent-skills/submissions/idea-refiner ~/.agents/skills/idea-refiner # Codex, Cursor, Gemini CLI, Copilot, OpenCode