Structures the feedback loop between making and learning — prototyping, testing, and convergence toward fit. Triggers: 'prototype and test', 'iterate on the design', 'how do we test this', 'get feedback on the design', 'what should we prototype', 'design feedback loop', 'test and learn', 'are we converging'.
Install
npx skills add human-avatar/skills-for-humanity --skill s4h-design-iterationnpx skills add human-avatar/skills-for-humanity --skill s4h-design-iteration -a claude-code -gnpx skills add human-avatar/skills-for-humanity --skill s4h-design-iteration -a codex -ggemini skills install https://github.com/human-avatar/skills-for-humanity.git --path skills/s4h-design-iterationgh skill install human-avatar/skills-for-humanity s4h-design-iterationgit 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-iteration ~/.claude/skills/s4h-design-iteration # Claude Code
cp -R /tmp/human-avatar__skills-for-humanity/skills/s4h-design-iteration ~/.agents/skills/s4h-design-iteration # Codex, Cursor, Gemini CLI, Copilot, OpenCode