---
title: "pen.dev"
description: "Agent-driven design canvas running beside Cursor, VS Code, Claude Code or Codex, storing designs in an open format that lives inside your repo."
canonical: "https://vibing.inc/library/pen-dev-vg-2086"
category: "AI Skills, Agents & MCP"
subcategory: "Design MCP"
license: "freemium"
author: "pen.dev"
source: "https://www.pen.dev/"
---

# pen.dev
Agent-driven design canvas running beside Cursor, VS Code, Claude Code or Codex, storing designs in an open format that lives inside your repo.
## Facts
- Source: https://www.pen.dev/
- Category: AI Skills, Agents & MCP / Design MCP
- Author: pen.dev
- Licence: freemium
- Tags: mcp, design-canvas, ide, agents, design-to-code
## Why it's a gem
The design file sits in the codebase as MCP-readable data, so handoff disappears.
---
Listed in The Vibeary: https://vibing.inc/library/pen-dev-vg-2086 · JSON: https://vibing.inc/api/public/library/gems/pen-dev-vg-2086