Pencil.dev is a canvas for Claude code to design and iterate

https://x.com/tomkrcha/status/2014028990810300498?s=12 You can design stuff in Claude code

Note Jan 21, 2026

Excited to launch Pencil
INFINITE DESIGN CANVAS for Claude Code

> Superfast WebGL canvas, fully editable, running parallel design agents
> Runs locally with Claude Code → turn designs into code
> Design files live in your git repo → Open json-based .pen format pic.twitter.com/UcnjtS99eF
— Tom Krcha (@tomkrcha) January 21, 2026

You can design stuff in Claude code

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