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mcp/harbor
Claude Desktop

Diagrams.so for Claude Desktop

io.github.redhold/diagrams-so-mcp

Generate and edit AWS, Azure, GCP and Kubernetes architecture diagrams as editable draw.io files.

client:Claude Desktop transport:stdio runtime:npm

Install Diagrams.so in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

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

{
  "mcpServers": {
    "diagrams-so-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@diagrams-so/mcp"
      ],
      "env": {
        "DIAGRAMS_API_KEY": "<DIAGRAMS_API_KEY>",
        "DIAGRAMS_API_BASE": "<DIAGRAMS_API_BASE>",
        "DIAGRAMS_API_TIMEOUT_MS": "<DIAGRAMS_API_TIMEOUT_MS>"
      }
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs

Diagrams.so in other clients

Diagrams.so MCP server