Does Draw.io MCP work with Cursor?
Yes. Draw.io MCP passed every step of our test in Cursor on Oct 13, 2026: it installed, connected, its tools were visible, and an agent used it to finish a real task.
Result
ResultPassed
Date testedOct 13, 2026
Plan tested onCursor Pro+
App version2026.10.12-d47ca18
Modelgpt-5.3-codex-low
Steps
- install OK
- connected OK
- tools visible OK
- agent task: write read back OKcreate a document with known content, then read it back
From our own harness run, not the maker’s claims. How we test.
What happened in this run
Install config we used
{
"mcpServers": {
"drawio": {
"command": "/home/box/opt/node22/bin/npx",
"args": [
"-y",
"drawio-mcp-server",
"--editor",
"--http-port",
"3311"
],
"env": {
"PATH": "/home/box/opt/node22/bin:/usr/local/bin:/usr/bin:/bin"
}
}
}
}Connection check
drawio: readyTools the app saw
30 tools in the app (protocol check found 30).
Agent task: write read back
- Tool calls, in order:
drawio:add-rectangle,drawio:export-diagram,drawio:list-paged-model
Raw details from our harness log for this run. Secrets redacted.
Set it up in Cursor
Copy-paste config for every app is on the Draw.io MCP page. Not connecting? Cursor MCP troubleshooting.
Other apps we tested it in: Claude Code (passed) · Claude Desktop (passed) · ChatGPT (Codex) (passed).