Use when code is correct but hard to follow, when deciding what an interface should expose, or when a reader cannot tell which parts are important.
安装
npx skills add yutna/functional-design-skills --skill functional-deciding-what-mattersnpx skills add yutna/functional-design-skills --skill functional-deciding-what-matters -a claude-code -gnpx skills add yutna/functional-design-skills --skill functional-deciding-what-matters -a codex -ggemini skills install https://github.com/yutna/functional-design-skills.git --path plugin/skills/functional-deciding-what-mattersgh skill install yutna/functional-design-skills functional-deciding-what-mattersgit clone --depth 1 https://github.com/yutna/functional-design-skills /tmp/yutna__functional-design-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/yutna__functional-design-skills/plugin/skills/functional-deciding-what-matters ~/.claude/skills/functional-deciding-what-matters # Claude Code
cp -R /tmp/yutna__functional-design-skills/plugin/skills/functional-deciding-what-matters ~/.agents/skills/functional-deciding-what-matters # Codex, Cursor, Gemini CLI, Copilot, OpenCode