draw.io MCP: interactive diagrams drawn in your AI app's chat

Ask for a diagram and get a live, interactive draw.io diagram right in the chat, built from Mermaid or draw.io XML with about 10,000 shapes to pick from. The draw.io MCP server needs no sign-in, so ContextGate adds it to Claude, ChatGPT and Cursor straight away and records each diagram your AI app draws.

  • Ready to connect
  • Free
  • 3 example tools

Draw with draw.io in Claude, ChatGPT or Cursor

  1. 1Click Connect draw.io free. There's no sign-in, so its tools are ready at once.
  2. 2`create_diagram` draws, while `search_shapes` and `get_drawio_reference` help your AI app pick the right shapes and styles. Keep all three on so diagrams come out right, and switch off any your team won't use.
  3. 3Add ContextGate to your AI app as a connector or MCP server. The steps for each app are on the Works with page.
  4. 4Ask your AI app for an architecture diagram of your API, load balancer and database, then open Activity to see the `create_diagram` call.

Diagrams from a prompt

  • Turn a description into a flowchart or sequence diagram written in Mermaid and shown live with `create_diagram`.
  • Use draw.io XML when you need exact layout, containers, swimlanes or layers.
  • Find the right icon among about 10,000 built-in shapes with `search_shapes`.
  • Have your AI app read the draw.io reference with `get_drawio_reference` before it styles edges and layers.

Diagrams with a paper trail

  • Policies check every call, so a secret pasted into a diagram description can be blocked.
  • Activity records every diagram your team's AI apps create through ContextGate.

What you get with draw.io and ContextGate

  • Your AI apps can use draw.ioClaude, Cursor, ChatGPT and other AI apps reach draw.io through the one ContextGate connection you add to them.
  • You choose which tools they can useSwitch off any draw.io tool you don't want used. It's hidden from your AI apps and refused if called.
  • Every call is checked and recordedYour policies check each call (for example, personal data is hidden and secrets are blocked), and Activity keeps a record of it.

ContextGate sees only the tool calls that go through it, not your AI app's built-in tools or your chats.

draw.io tools

Examples of what your AI apps can do in draw.io. You'll see the exact list of tools after you connect it.