pencil-dev-skill plugin for Codex
Teaches AI coding tools to design, edit, and validate pencil.dev UIs using .pen files, .lib.pen libraries, design-system docs, and the Pencil MCP server
How to install pencil-dev-skill in Codex
The repo has a Codex plugin manifest (.codex-plugin/plugin.json) but no marketplace file, so there's no one-line install. Follow the install steps in the repo README.
What it contains
The plugin manifest doesn't list components inline. See the repo.
About this listing
pencil-dev-skill is a community plugin on GitHub by Nisus74, tagged codex-plugin. It passed the CodexStacks quality filter (at least 10 stars, pushed in the last 180 days, not a fork, has a description and a manifest or README). OpenAI hasn't reviewed it and we haven't tested it. The manifest says version 0.8.0. It's one of 24 listings in the Creativity category (category assigned by CodexStacks from the repo's topics and description). It also appears in best Codex plugins for design and UI.
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pencil-dev-skill FAQ
How do I install pencil-dev-skill in Codex?
It has a Codex plugin manifest but no marketplace file, so there's no one-line install. Follow the install steps in the repo README.
Is pencil-dev-skill an official Codex plugin?
No. pencil-dev-skill is a community repo on GitHub by Nisus74. It passed the CodexStacks quality filter, but OpenAI hasn't reviewed it and we haven't tested it, so read the code before you install it.
What does pencil-dev-skill include?
The plugin manifest doesn't list components inline. See the repo.
Details
- Type
- Plugin
- Category
- Creativity (assigned by us)
- Source
- Community
- Author
- Travis Polland
- Version
- 0.8.0
- License
- MIT
- GitHub stars
- 25 (at last sync)
- Last push
- 2026-07-26
- Manifest
.codex-plugin/plugin.json- GitHub topics
- ai, claude, claude-code, claude-plugin, claude-skills, codex-skill, design, design-tool, pencil, pencil-dev, skill
- Source
- https://github.com/Nisus74/pencil-skill
- Listed via
- GitHub topic codex-plugin
- Tested by CodexStacks
- Not yet
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For maintainers: badge and embeds
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Markdown
[](https://codexstacks.com/p/pencil-skill/)HTML
<a href="https://codexstacks.com/p/pencil-skill/"><img src="https://codexstacks.com/badge.svg" alt="Listed on CodexStacks" width="172" height="28"></a>Embed card (static HTML and inline CSS, no JavaScript). Preview:
<a href="https://codexstacks.com/p/pencil-skill/" style="display:block;max-width:380px;box-sizing:border-box;padding:14px 16px;border:1px solid #3a2c26;border-radius:12px;background:#0d0b0a;color:#f3ece6;font:14px/1.45 -apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;text-decoration:none"><span style="display:block;font-size:16px;font-weight:700;color:#f3ece6">pencil-dev-skill</span><span style="display:block;margin:2px 0 8px;font-size:12px;color:#b5a9a1">Community Codex plugin</span><span style="display:block;margin:0 0 10px;color:#ddd3cc">Teaches AI coding tools to design, edit, and validate pencil.dev UIs using .pen files, .lib.pen libraries…</span><span style="font-size:12px;font-weight:600;color:#ffb347">View on CodexStacks →</span></a>Markdown summary
**[pencil-dev-skill on CodexStacks](https://codexstacks.com/p/pencil-skill/)**: Community Codex plugin.More on badges, embeds and keeping your listing up to date: CodexStacks for plugin authors.
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