Diagrams.so vs Liveblocks MCP Server

In-depth architectural comparison of the Diagrams.so and Liveblocks MCP Server MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

Choose Diagrams.so when:

• You need dedicated capabilities in the Cloud Platforms domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: generate_diagram, edit_diagram, fix_warning.

Explore Diagrams.so Details

Choose Liveblocks MCP Server when:

• You need dedicated capabilities in the Cloud Platforms domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (BYOK (Pay Provider Direct)).
• You have access to required keys: LIVEBLOCKS_SECRET_KEY.
• Primary tools included: Full CRUD operations on rooms, threads, comments, notifications, Read access to Storage and Yjs, Integration with Liveblocks REST API.

Feature & Specification Comparison

Specification	Diagrams.so Cloud Platforms	Liveblocks MCP Server liveblocks Cloud Platforms
Summary	Generate and edit AWS, Azure, GCP and Kubernetes architecture diagrams as editable draw.io files.	Create, modify, and delete different aspects of Liveblocks such as rooms, threads, comments, notifications, and more. Additionally, it has read access to Storage and Yjs.
Category & Scope	Cloud Platforms

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "diagrams-so": {
      "command": "npx",
      "args": [
        "-y",
        "@diagrams-so/mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "liveblocks-liveblocks-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "github:liveblocks/liveblocks-mcp-server"
      ],
      "env": {
        "LIVEBLOCKS_SECRET_KEY": "YOUR_LIVEBLOCKS_SECRET_KEY_HERE"
      }
    }
  }
}

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