tldraw

Create and edit diagrams, wireframes, and sketches on a shared canvas.

CommunityOnlineNo sign-inGlobalFreeCan modify data

What it can do

  • Diagram Drawing Read Me: Use whenever you want to create a diagram or drawing. Gets the tldraw shape format reference. Call this FIRST before creating diagrams or drawing.
  • Create Shapes: Creates shapes, drawings, and diagrams on the tldraw canvas.
  • Update Shapes: Updates existing shapes, diagrams, and drawings on the tldraw canvas.

What data it sees

Do you need an account

No: the server works without sign-in

Create and edit diagrams, wireframes, and sketches on a shared canvas. Export drawings and collaborate visually in real time.

How to connect

How to connect tldraw to Claude

The server address to paste into Claude settings:

https://tldraw.run.tools

  1. Open Claude (claude.ai or the desktop app).
  2. Go to Settings → Connectors.
  3. Click Add custom connector.
  4. Paste the server address copied below into Remote MCP server URL and click Add.
  5. In a chat, click + → Connectors and switch the new connector on.

Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

Authorization

After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

How to connect tldraw to ChatGPT

The server address to paste into ChatGPT settings:

https://tldraw.run.tools

  1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
  2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
  3. Open Settings → Connectors and click Create.
  4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
  5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
  6. In a new chat open + → Apps/Connectors and enable the connector.

OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

Authorization

On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

How to connect tldraw to Cursor

The server address to paste into Cursor settings:

https://tldraw.run.tools

Fastest: click Open in Cursor below and confirm the prompt.

Manually:

  1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
  2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
  3. Save the file. The server appears in the MCP list; authorize it there if asked.

Authorization

If the service needs sign-in, an authorize button appears next to the server in the MCP list.

Server tool list (6)

Raw names from tools/list. Only developers need these.

diagram_drawing_read_meUse whenever you want to create a diagram or drawing. Gets the tldraw shape format reference. Call this FIRST before creating diagrams or drawing.
create_shapesCreates shapes, drawings, and diagrams on the tldraw canvas.
update_shapesUpdates existing shapes, diagrams, and drawings on the tldraw canvas.
delete_shapesDeletes shapes by id from a JSON string (string[]).
read_checkpointApp-only: read shapes from a checkpoint by ID.
save_checkpointApp-only: save shapes to a checkpoint (from user edits). shapesJson and assetsJson must be JSON array strings.