Forms, flows and screens. Structure, naming and clarity of user-facing interaction code: component boundaries, state ownership, and keeping presentation separable from the rules behind it.
Install
npx skills add rainmanjam/poka-yoke --skill uxnpx skills add rainmanjam/poka-yoke --skill ux -a claude-code -gnpx skills add rainmanjam/poka-yoke --skill ux -a codex -ggemini skills install https://github.com/rainmanjam/poka-yoke.git --path benchmarks/controls/clean-code/skills/uxgh skill install rainmanjam/poka-yoke uxgit clone --depth 1 https://github.com/rainmanjam/poka-yoke /tmp/rainmanjam__poka-yoke
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/rainmanjam__poka-yoke/benchmarks/controls/clean-code/skills/ux ~/.claude/skills/ux # Claude Code
cp -R /tmp/rainmanjam__poka-yoke/benchmarks/controls/clean-code/skills/ux ~/.agents/skills/ux # Codex, Cursor, Gemini CLI, Copilot, OpenCode