App UI Design is a production-ready Claude Code skill (quality score 70/100) in the design-system-ui sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/app-ui-design/ and loads when your prompt matches the skill's trigger.
When to invoke it: Use when designing app interfaces, creating design systems, ensuring accessibility, or following platform guidelines. Covers Material Design 3, Human Interface Guidelines, color theory, typography, and 2025 trends.
The App UI Design skill is built for product managers, product designers, and cross-functional teams planning, shipping, and measuring product features. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.
mkdir -p ~/.claude/skills/app-ui-design curl -L https://claudskills.com/skills/app-ui-design/SKILL.md \ -o ~/.claude/skills/app-ui-design/SKILL.md
Or just download SKILL.md directly and drop it into ~/.claude/skills/app-ui-design/. Claude Code auto-discovers it on next session.
Skills live at ~/.claude/skills/app-ui-design/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\app-ui-design\SKILL.md on Windows. See the full install guide for step-by-step instructions.
The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.
Browse all Product skills in the ClaudSkills registry, or explore these top-rated picks from the same category: