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OpenDia

Provides OpenDia diagram creation capabilities through a lightweight web server with WebSocket support and HTTP API endpoints for real-time collaborative diagra

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About

Provides OpenDia diagram creation capabilities through a lightweight web server with WebSocket support and HTTP API endpoints for real-time collaborative diagram generation and editing.

Example tools

Illustrative tool names — the actual tool set is defined by the server at runtime.

web_search
Search the web and return top results
fetch_url
Fetch and return the contents of a URL

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Frequently Asked Questions

Common questions about OpenDia.

What is OpenDia?
OpenDia provides diagram creation capabilities. It functions as a lightweight web server with WebSocket support and HTTP API endpoints to enable real-time collaborative diagram generation and editing.
How can I install OpenDia in a client like Cline?
Installation typically involves adding the OpenDia server's address to your client's configuration. Since it uses stdio transport, direct client integration might involve spawning the server as a subprocess, depending on the client's architecture.
Does OpenDia require an API key or other credentials?
No, OpenDia does not explicitly require an API key or other credentials as its authentication type is listed as 'none'. Access control would depend on how the server is deployed.
What are the core capabilities of OpenDia?
OpenDia offers real-time collaborative diagram generation and editing through its web server. It provides both WebSocket and HTTP API endpoints for integration with client applications.
Is OpenDia free to use?
OpenDia is distributed under an open-source license, as indicated by its public GitHub repository. This generally implies no direct cost for the software itself, but deployment costs depend on the user's infrastructure.
What is a common limitation of OpenDia?
A common limitation is that OpenDia lacks built-in authentication mechanisms, requiring external solutions for securing access in a production environment. This makes it more suitable for trusted internal networks or for deployments that manage authentication at a higher level.

Install OpenDia

Claude Desktop

Add this to claude_desktop_config.json.

{
  "mcpServers": {
    "opendia": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-opendia"
      ]
    }
  }
}

Cursor

Add this to ~/.cursor/mcp.json.

{
  "mcpServers": {
    "opendia": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-opendia"
      ]
    }
  }
}

VS Code

Add this to your workspace settings.json.

{
  "mcp.servers": {
    "opendia": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-opendia"
      ]
    }
  }
}

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