Oa vs GitDiagram
Oa and GitDiagram are both design MCP servers. GitDiagram scores higher (100 vs 79 out of 100). GitDiagram has more GitHub stars (18k), and Oa was updated more recently (yesterday). The table compares them side by side.
| Oa | GitDiagram | |
|---|---|---|
| Score | 79 / 100 | 100 / 100 |
| What it does | CLI for Open Artifacts — publish HTML/Markdown/Mermaid/SVG content to a self-hosted artifact host and get back a shareable link. | Architecture diagrams, explanations and Mermaid source for public GitHub repositories. |
| Publisher | Verified: npm:@emaxe | Verified: gitdiagram.com |
| Grades | Maintenance A, Licence A, Quality C | Maintenance A, Licence A, Quality A |
| npm downloads a week | 513 | 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 | 18,323 |
| Last commit | 19 Oct 2026 | 14 Oct 2026 |
| Licence | MIT | MIT |
| Listed since | 20 Oct 2026 | 19 Oct 2026 |
| Install Oa | Install GitDiagram |
Questions
Is Oa or GitDiagram more popular?
GitDiagram has more GitHub stars: 18,323.
Can I use Oa and GitDiagram together?
Yes. AI assistants can load several MCP servers at once. Install both and the assistant picks the right one for each task.