Apple Human Interface Guidelines design foundations. Use this skill when the user asks about "HIG color", "Apple typography", "SF Symbols", "dark mode guidelines", "accessible design", "Apple design foundations", "app icon", "layout guidelines", "materials", "motion", "privacy", "right to left", "RTL", "inclusive design", branding, images, spatial layout, or writing style.
Install
npx skills add raintree-technology/hig-doctor --skill hig-foundationsnpx skills add raintree-technology/hig-doctor --skill hig-foundations -a claude-code -gnpx skills add raintree-technology/hig-doctor --skill hig-foundations -a codex -ggemini skills install https://github.com/raintree-technology/hig-doctor.git --path skills/hig-foundationsgh skill install raintree-technology/hig-doctor hig-foundationsgit clone --depth 1 https://github.com/raintree-technology/hig-doctor /tmp/raintree-technology__hig-doctor
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/raintree-technology__hig-doctor/skills/hig-foundations ~/.claude/skills/hig-foundations # Claude Code
cp -R /tmp/raintree-technology__hig-doctor/skills/hig-foundations ~/.agents/skills/hig-foundations # Codex, Cursor, Gemini CLI, Copilot, OpenCode