Diagrams.so MCP Server

Name: Diagrams.so MCP Server
Author: io.github.RedHold

io.github.RedHold/diagrams-so-mcp

Repository Registry

What is the Diagrams.so MCP server?

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

How to install Diagrams.so

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

DIAGRAMS_API_KEY
secret
Diagrams.so API key (dgz_live_... or dgz_test_...). Optional since 1.4.0: run `npx @diagrams-so/mcp login` once instead. Or create a key at https://diagrams.so under Settings then AI Provider.
DIAGRAMS_API_BASE
API base URL. Defaults to production; override only for a local or self-hosted API.
DIAGRAMS_API_TIMEOUT_MS
Per-request timeout in milliseconds for slow generate/edit/fix calls.

Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json

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

Cursor

~/.cursor/mcp.json

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

Windsurf

~/.codeium/windsurf/mcp_config.json

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

VS Code

.vscode/mcp.json

{
  "servers": {
    "diagrams-so-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@diagrams-so/mcp"
      ],
      "env": {
        "DIAGRAMS_API_KEY": "<YOUR_DIAGRAMS_API_KEY>",
        "DIAGRAMS_API_BASE": "<YOUR_DIAGRAMS_API_BASE>",
        "DIAGRAMS_API_TIMEOUT_MS": "<YOUR_DIAGRAMS_API_TIMEOUT_MS>"
      }
    }
  }
}

Claude Code

claude mcp add diagrams-so-mcp --env DIAGRAMS_API_KEY=<YOUR_DIAGRAMS_API_KEY> --env DIAGRAMS_API_BASE=<YOUR_DIAGRAMS_API_BASE> --env DIAGRAMS_API_TIMEOUT_MS=<YOUR_DIAGRAMS_API_TIMEOUT_MS> -- npx -y @diagrams-so/mcp