AI Plugin IndexMermaid Grammer Inspector MCP vs GitDiagram
Mermaid Grammer Inspector MCP and GitDiagram are both design MCP servers. GitDiagram scores higher (100 vs 35 out of 100). GitDiagram has more GitHub stars (18k), and GitDiagram was updated more recently (10 days ago). The table compares them side by side.
| Mermaid Grammer Inspector MCP | GitDiagram | |
|---|---|---|
| Score | 35 / 100 | 100 / 100 |
| What it does | A Model Context Protocol (MCP) server for validating Mermaid diagram syntax and providing comprehensive grammar checking capabilities | Architecture diagrams, explanations and Mermaid source for public GitHub repositories. |
| Publisher | Verified: npm:@betterhyq | Verified: gitdiagram.com |
| Grades | Licence A, Quality C | Maintenance A, Licence A, Quality A |
| npm downloads a week | 8 | 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 | 0 | 18,323 |
| Last commit | 14 Oct 2026 | |
| Licence | MIT | MIT |
| Listed since | 20 Oct 2026 | 19 Oct 2026 |
| Install Mermaid Grammer Inspector MCP | Install GitDiagram |
Questions
Is Mermaid Grammer Inspector MCP or GitDiagram more popular?
GitDiagram has more GitHub stars: 18,323.
Can I use Mermaid Grammer Inspector MCP 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.