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onsystem vs draw.io

onsystem and draw.io are both design MCP servers. draw.io scores higher (100 vs 81 out of 100). draw.io has more GitHub stars (5.7k), and draw.io was updated more recently (yesterday). The table compares them side by side.

onsystemdraw.io
Score81 / 100100 / 100
What it doesCatches palette colors, native elements and APIs your design system lacks in agent-written React.Create draw.io diagrams in chat from Mermaid or XML, shown live and interactive. 10,000+ shapes.
PublisherCommunity: dgestevesVerified: draw.io
GradesMaintenance A, Licence A, Quality CMaintenance A, Licence A, Quality A
npm downloads a week831Not on npm
RunsLocalRemote
Works withClaude Code, Claude Desktop, Cursor, Codex, Gemini CLI, VS Code, WindsurfClaude Code, Claude Desktop, Cursor, Codex, Gemini CLI, VS Code, Windsurf, ChatGPT
GitHub stars15,662
Last commit16 Oct 202619 Oct 2026
LicenceMITApache-2.0
Listed since19 Oct 202619 Oct 2026
Install onsystemInstall draw.io

Questions

Is onsystem or draw.io more popular?

draw.io has more GitHub stars: 5,662.

Can I use onsystem and draw.io together?

Yes. AI assistants can load several MCP servers at once. Install both and the assistant picks the right one for each task.