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Updated 6mo ago

by stevembarclay

pencilplaybook

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.

Works with
  • Claude
View on GitHub (opens in a new tab)

50 GitHub stars (50)

+1 in 20 days

Stars gained per day · daily snapshots since Sep 26
Stars gained per day, Sep 26 to Oct 16: +1 in total; the busiest day was Sep 30 with +1 stars.Sep 27: 0 starsSep 28: 0 starsSep 29: 0 starsSep 30: +1 starsOct 1: 0 starsOct 2: 0 starsOct 3: 0 starsOct 4: 0 starsOct 5: 0 starsOct 6: 0 starsOct 7: 0 starsOct 8: 0 starsOct 9: 0 starsOct 10: −1 starsOct 11: +1 starsOct 12: 0 starsOct 13: 0 starsOct 14: 0 starsOct 15: 0 starsOct 16: 0 stars
Stars gained between daily snapshots
PeriodNew stars
Sep 270
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Sep 30+1
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  • 4 skills (4 skills found in its SKILL.md files)
  • 3 forks (3 forks)
  • 6mo ago last update (Last updated 6mo ago)

Install

Skills CLI

npx skills add stevembarclay/pencilplaybook

Asks which skills and agents to install. Just one: npx skills add stevembarclay/pencilplaybook --skill pencilplaybook — add -g for every project.

Claude Code

git clone https://github.com/stevembarclay/pencilplaybookcp -r "pencilplaybook" ~/.claude/skills/pencilplaybook

Copies the pencilplaybook skill into ~/.claude/skills/ for every project (use .claude/skills/ for one project). Repeat for the other skills listed below.

Plugin

/plugin marketplace add stevembarclay/pencilplaybook

Run inside Claude Code if the repository ships a plugin marketplace, then pick plugins from /plugin.

Skills can run code on your machine — read the SKILL.md first.

What it does

In the author's own words, from each skill's SKILL.md.

  • pencilplaybook

    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.md on GitHub (opens in a new tab)

  • best-in-world-research

    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 practice, not to make a strategic decision. Distinct from best-in-world-strategy, whi…

    .claude/skills/best-in-world-research/SKILL.md on GitHub (opens in a new tab)

  • best-in-world-strategy

    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 recommendation to make. For pure research ("what does the best in the world do about X?"…

    .claude/skills/best-in-world-strategy/SKILL.md on GitHub (opens in a new tab)

  • skill-creator

    Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.

    .claude/skills/skill-creator/SKILL.md on GitHub (opens in a new tab)

Review before you install

A skill is a set of instructions and scripts your agent will follow, and it can run code on your machine. Read the SKILL.md and any scripts first — this listing is not a security review.