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Setup

1

Open Settings

In Cursor, go to Settings → Cursor Settings → Tools & MCP
2

Add MCP Server

Click New MCP Server to create a new server configuration.
3

Configure Danube

Paste the following JSON configuration:
{
  "mcpServers": {
    "danube": {
      "url": "https://danube.fastmcp.app/mcp",
      "headers": {
        "danube-api-key": "YOUR_API_KEY"
      }
    }
  }
}
4

Save and Restart

Save the configuration and restart Cursor to activate the connection.
Your API key is stored securely in Cursor’s settings. You can find it in your Danube dashboard under Settings → API Keys.

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Troubleshooting

  • Verify your API key is correct in Settings → Cursor Settings → Tools & MCP
  • Check that the server URL is exactly: https://danube.fastmcp.app/mcp
  • Ensure the header name is exactly: danube-api-key (lowercase)
  • Restart Cursor completely after configuration
  • Your API key may be invalid or expired
  • Generate a new API key from danubeai.com/dashboard
  • Update the header value in Cursor settings
  • Check your internet connection
  • Verify the URL is correct: https://danube.fastmcp.app/mcp
  • Try the health check: curl https://danube.fastmcp.app/health