AI Plugin IndexMCP Mermaid Validator vs GitDiagram
MCP Mermaid Validator and GitDiagram are both design MCP servers. GitDiagram scores higher (100 vs 56 out of 100). GitDiagram has more GitHub stars (18k), and GitDiagram was updated more recently (7 days ago). The table compares them side by side.
| MCP Mermaid Validator | GitDiagram | |
|---|---|---|
| Score | 56 / 100 | 100 / 100 |
| What it does | An MCP server that validates mermaid diagrams | Architecture diagrams, explanations and Mermaid source for public GitHub repositories. |
| Publisher | Verified: npm:@rtuin | Verified: gitdiagram.com |
| Grades | Maintenance D, Licence A, Quality C | Maintenance A, Licence A, Quality A |
| npm downloads a week | 61 | 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 | 57 | 18,323 |
| Last commit | 27 Feb 2026 | 14 Oct 2026 |
| Licence | MIT | MIT |
| Listed since | 20 Oct 2026 | 19 Oct 2026 |
| Install MCP Mermaid Validator | Install GitDiagram |
Questions
Is MCP Mermaid Validator or GitDiagram more popular?
GitDiagram has more GitHub stars: 18,323.
Can I use MCP Mermaid Validator 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.