Use when callers know how a module works inside, when one data format appears in several modules, or when each step of a process became a module.
Install
npx skills add yutna/functional-design-skills --skill functional-hiding-informationnpx skills add yutna/functional-design-skills --skill functional-hiding-information -a claude-code -gnpx skills add yutna/functional-design-skills --skill functional-hiding-information -a codex -ggemini skills install https://github.com/yutna/functional-design-skills.git --path plugin/skills/functional-hiding-informationgh skill install yutna/functional-design-skills functional-hiding-informationgit 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-hiding-information ~/.claude/skills/functional-hiding-information # Claude Code
cp -R /tmp/yutna__functional-design-skills/plugin/skills/functional-hiding-information ~/.agents/skills/functional-hiding-information # Codex, Cursor, Gemini CLI, Copilot, OpenCode