5 tagged pencil dev, measured the same way as everything else here.
Skill Claude CodeCodex
World-class practice research. This skill should be used when the user asks what the best in the world does about a specific problem, technique, or situation — covering product, engineering, design, marketing, compliance, operations, org design, and any other domain. Use when the goal is to understand elite-tier…
Skill Claude CodeCodex
Excellence-first strategic decision support. This skill should be used when users need to choose between options, pressure-test a plan, evaluate risk, or make a specific decision — across security, product, growth, operations, org design, and finance. Use when there is a decision with tradeoffs to score and a…
Skill Claude CodeCodex
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.
Skill Claude CodeCodex
Use this skill for any pencil.dev work, such as designing UI in a .pen file, editing an open Pencil canvas, sketching or mocking screens, instantiating components from a .lib.pen library, reading an existing design system from a .pen or .lib.pen file, fixing batchdesign schema errors, or recovering from Pencil MCP…