How do I install Diagrams.so?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

Is Diagrams.so official?

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 13 (Limited). The formula is published on the methodology page.

MCPpedia

Diagrams.so MCP Server | MCPpedia

Diagrams.so MCP Server

Name: Diagrams.so MCP Server
Author: redhold

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

Tools Versions Alternatives

Registryredhold

13Limited

Install

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

{
  "mcpServers": {
    "redhold-diagrams-mcp-app-core": {
      "command": "npx",
      "args": [
        "-y",
        "@diagrams-so/mcp@1.4.7"
      ],
      "env": {
        "DIAGRAMS_API_KEY": "YOUR_DIAGRAMS_API_KEY",
        "DIAGRAMS_API_BASE": "https://api.diagrams.so/api/v2",
        "DIAGRAMS_API_TIMEOUT_MS": "450000"
      }
    }
  }
}

Install guide

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Environment

Name	Required	Notes
DIAGRAMS_API_KEY	No	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 API Keys. Secret.
DIAGRAMS_API_BASE	No	API base URL. Defaults to production; override only for a local or self-hosted API.
DIAGRAMS_API_TIMEOUT_MS	No	Per-request timeout in milliseconds for slow generate/edit/fix calls.

Diagrams.so MCP Server

Install

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