{
  "gem": {
    "slug": "pen-dev-vg-2086",
    "name": "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.",
    "url": "https://www.pen.dev/",
    "domain": "pen.dev",
    "author": "pen.dev",
    "license": "freemium",
    "category": "AI Skills, Agents & MCP",
    "subcategory": "Design MCP",
    "tags": [
      "mcp",
      "design-canvas",
      "ide",
      "agents",
      "design-to-code"
    ],
    "whyGem": "The design file sits in the codebase as MCP-readable data, so handoff disappears.",
    "sourceType": "x-thread",
    "image": "/api/public/library/og/VG-2086.png",
    "pageUrl": "https://vibing.inc/library/pen-dev-vg-2086"
  }
}