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mcp/harbor
Zed

Diagrams MCP Server for Zed

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

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

client:Zed transport:stdio runtime:npm

Install Diagrams MCP Server in Zed

~/.config/zed/settings.json · windows: %APPDATA%\Zed\settings.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "context_servers": {
    "diagrams-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "diagrams-mcp-server"
      ],
      "env": {
        "PROJECT_ROOT": "<PROJECT_ROOT>",
        "DIAGRAMS_DIR": "<DIAGRAMS_DIR>",
        "PLANTUML_SERVER_URL": "<PLANTUML_SERVER_URL>",
        "ALLOW_REMOTE_PLANTUML": "<ALLOW_REMOTE_PLANTUML>",
        "DISABLE_REMOTE_PLANTUML": "<DISABLE_REMOTE_PLANTUML>"
      }
    }
  }
}

Merge this into your existing settings object — do not replace the file. Zed docs

Diagrams MCP Server in other clients

Diagrams MCP Server MCP server