Applies the design principle of removing rather than adding — finding the form that does exactly what is needed, nothing more. Triggers: 'simplify this', 'remove what's unnecessary', 'it's too complicated', 'what can we cut', 'reduce the design', 'it's bloated', 'make it simpler', 'find the essential form', 'what's really needed here'.
Install
npx skills add human-avatar/skills-for-humanity --skill s4h-design-simplicitynpx skills add human-avatar/skills-for-humanity --skill s4h-design-simplicity -a claude-code -gnpx skills add human-avatar/skills-for-humanity --skill s4h-design-simplicity -a codex -ggemini skills install https://github.com/human-avatar/skills-for-humanity.git --path skills/s4h-design-simplicitygh skill install human-avatar/skills-for-humanity s4h-design-simplicitygit clone --depth 1 https://github.com/human-avatar/skills-for-humanity /tmp/human-avatar__skills-for-humanity
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/human-avatar__skills-for-humanity/skills/s4h-design-simplicity ~/.claude/skills/s4h-design-simplicity # Claude Code
cp -R /tmp/human-avatar__skills-for-humanity/skills/s4h-design-simplicity ~/.agents/skills/s4h-design-simplicity # Codex, Cursor, Gemini CLI, Copilot, OpenCode