Diagrams MCP Server

io.github.mohammad-emad-dev/diagrams-mcp-server

Local-first MCP server for PlantUML and Mermaid diagrams with drift detection.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "diagrams-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "diagrams-mcp-server@0.11.0"
      ],
      "env": {
        "DIAGRAMS_DIR": "diagrams"
      }
    }
  }
}
Environment variables
  • DIAGRAMS_DIRDiagrams directory, relative to PROJECT_ROOT unless absolute (default: diagrams).

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.11.0
Registry
active
Published
10/19/2026

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