How to install draw.io in VS Code
To install draw.io in VS Code, click "Add to VS Code" on this page or add the "draw-io" block under "servers" in .vscode/mcp.json, then pick it in Copilot Chat agent mode.
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One click (fastest)
Click the button to open VS Code with this server ready to install.
Add draw.io to VS Code - 2
Or add it by hand
Create .vscode/mcp.json and paste this. Note that VS Code uses "servers", not "mcpServers".
{ "servers": { "draw-io": { "url": "https://mcp.draw.io/mcp" } } } - 3
Start it in Copilot Chat
Open Copilot Chat in Agent mode and pick the server from the tools menu.
Config file: .vscode/mcp.json in your workspace
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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Questions
Does draw.io work in VS Code?
Yes. VS Code supports local and remote mcp servers in copilot agent mode, and draw.io installs with the steps above.
draw.io does not show up in VS Code. What now?
Restart VS Code 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.
