PencilPlaybook is the UI Skills / Taste-Skill for Pencil.dev + Claude Code — a design playbook that gives Claude real perceptual psychology and senior-level guardrails so it stops producing averaged-out AI slop.
design-system ai-design claude-code claude-skill ui-skills pencil-dev design-skill anti-ai-slop taste-skill perceptual-design
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Updated
Mar 25, 2026 - Python