F
licenseA
qualityB
maintenanceMinimal MCP server for editing tldraw .tldr files via JSON manipulation. Headless, no browser needed.
Last updated
18
1
tldraw-mcp
by dpunj
Enables AI-driven manipulation of a tldraw canvas, including tools for creating, updating, and deleting shapes, managing frames, and generating auto-layout flowcharts.
Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@tldraw-mcpDraw a flowchart showing the user authentication process"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
tldraw-mcp
Minimal MCP server for AI-driven canvas manipulation with tldraw.
Architecture
┌─────────────┐ stdio ┌─────────────┐ WebSocket ┌─────────────┐
│ AI Client │◄──────────────►│ tldraw-mcp │◄───────────────►│ Widget │
│ (Claude,etc)│ │ (server) │ :4000 │ (tldraw) │
└─────────────┘ └─────────────┘ └─────────────┘
:3000Related MCP server: tldraw MCP Server
Tools
Tool | Description |
| Create shapes (rectangle, ellipse, star, cloud, diamond, etc.) |
| Update shape properties (position, size, color, fill) |
| Delete shapes by ID |
| Connect two shapes with an arrow |
| Create a frame to group shapes together |
| Create a flowchart with nodes and edges (auto-layout) |
| Get current canvas state |
| Zoom canvas to fit all shapes |
| Clear all shapes |
Quick Start
# 1. Clone and install
git clone https://github.com/dpunj/tldraw-mcp
cd tldraw-mcp
bun install
# 2. Start the widget (tldraw canvas + WebSocket server)
cd widget
bun install
bun run dev
# Opens http://localhost:3000 (canvas) + ws://localhost:4000 (relay)
# 3. In another terminal, test the MCP server
cd ..
bun run devClaude Desktop Config
Add to ~/Library/Application Support/Claude/claude_desktop_config.json:
{
"mcpServers": {
"tldraw": {
"command": "bun",
"args": ["run", "/path/to/tldraw-mcp/src/index.ts"]
}
}
}Environment Variables
Variable | Default | Description |
|
| Widget WebSocket URL |
|
| Widget WS server port |
Development
# MCP server
bun run dev # Run server
bun run build # Build for distribution
bun run check # TypeScript check
# Widget
cd widget
bun run dev # Start vite + WS serverLicense
MIT
Maintenance
–Maintainers
–Response time
–Release cycle
–Releases (12mo)
Commit activity
Resources
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