Design a new touch-first UI: targets, safe areas, gestures, then enhance up. Use when building for phones, touch, swipe, PWA, or tablet. Responsive audit → audit-responsive.
Install
npx skills add kensaurus/skills --skill design-mobile-firstnpx skills add kensaurus/skills --skill design-mobile-first -a claude-code -gnpx skills add kensaurus/skills --skill design-mobile-first -a codex -ggemini skills install https://github.com/kensaurus/skills.git --path skills/design-mobile-firstgh skill install kensaurus/skills design-mobile-firstgit clone --depth 1 https://github.com/kensaurus/skills /tmp/kensaurus__skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/kensaurus__skills/skills/design-mobile-first ~/.claude/skills/design-mobile-first # Claude Code
cp -R /tmp/kensaurus__skills/skills/design-mobile-first ~/.agents/skills/design-mobile-first # Codex, Cursor, Gemini CLI, Copilot, OpenCode