Developers who already pay for Claude or ChatGPT and want agents designing on a Figma-like canvas can start free.

Kenning's take

What it does

pen.dev, previously called Pencil, is a design canvas similar to Figma where AI agents can create and edit designs alongside the user. It works with models from Anthropic, OpenAI, Google and others through a ChatGPT or Claude subscription, API keys, or MCP, so coding agents such as Claude Code, Codex and Cursor can design on it. Frames export to HTML and CSS or Tailwind, and Figma files and web pages can be imported.

• AI agents that design directly on the canvas
• Connects to Claude Code, Codex and Cursor through MCP
• Figma file and web page import
• One-click export to HTML and CSS or Tailwind
• Shaders, gradients and an AI pen for icons
• Desktop apps and IDE extensions

Who it suits. Developers and product designers who build software with AI coding agents.

Key facts

Category

Developer tools

Made by

pen.dev

How to get it

free download for macOS, Windows and Linux, or as an extension for Cursor, VS Code and Antigravity

Works on

macOS, Windows, Linux, VS Code extension, Cursor extension, CLI

In the UK

Yes

Free plan

5 agent days and 25 image or SVG generations a month

Pricing

Plan	Price	Billed
Pro	$16	user per month
Ultra	$48	user per month
Enterprise	Custom pricing	custom

source

FAQ

Facts from the maker's own pages and the sources listed. Checked 2026-10-11.