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.
| onsystem | draw.io | |
|---|---|---|
| Score | 81 / 100 | 100 / 100 |
| What it does | Catches 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. |
| Publisher | Community: dgesteves | Verified: draw.io |
| Grades | Maintenance A, Licence A, Quality C | Maintenance A, Licence A, Quality A |
| npm downloads a week | 831 | Not on npm |
| Runs | Local | Remote |
| Works with | Claude Code, Claude Desktop, Cursor, Codex, Gemini CLI, VS Code, Windsurf | Claude Code, Claude Desktop, Cursor, Codex, Gemini CLI, VS Code, Windsurf, ChatGPT |
| GitHub stars | 1 | 5,662 |
| Last commit | 16 Oct 2026 | 19 Oct 2026 |
| Licence | MIT | Apache-2.0 |
| Listed since | 19 Oct 2026 | 19 Oct 2026 |
| Install onsystem | Install 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.