How to install draw.io in ChatGPT

To use draw.io in ChatGPT, add its hosted URL (https://mcp.draw.io/mcp) as a custom connector under Settings, Connectors, then sign in if asked.

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1
Copy the server URL
This is the hosted endpoint ChatGPT connects to:
```
https://mcp.draw.io/mcp
```
2
Add a custom connector
In ChatGPT, open Settings, then Connectors (Apps and connectors), and add a custom connector with this URL. Some plans need developer mode turned on first.
3
Sign in if asked
If the server uses OAuth, ChatGPT opens a sign-in page. Then pick the connector from the tools menu in a chat.

MCP servers run with your permissions. If draw.io needs an API key, add it under env in the config. Check its README.

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Architecture diagrams, explanations and Mermaid source for public GitHub repositories.

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Does draw.io work in ChatGPT?

Yes. ChatGPT supports remote (hosted) mcp servers only, as plugins or custom connectors, and draw.io installs with the steps above.

draw.io does not show up in ChatGPT. What now?

Restart ChatGPT fully, check the JSON is valid, and make sure Node.js (for npx) is installed. See common MCP errors and fixes.

Is draw.io safe?

It scores 100 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.