Ya, sounds like a good idea to let the LLM do all the calculations and send simple instructions to boat. MCP tells it what data is available from the device.

I tried the MCP server with the demo (https://merliot.io/demo) using Cursor and asked:

What is the location of the "GPS nano" device?

The location of the "GPS nano" device is: Latitude: 30.448336 Longitude: -91.12896