Arduino MCP Server

from fastmcp import FastMCP # This is the MCP Library import pyfirmata2 # This is the library to control arduino with python # Here we are saying this is the arduino Arduino = pyfirmata2.Arduino('/dev/cu.usbmodem212201') # This is my COM port. Change to your COM port ArduinoMCP = FastMCP('Arduino Servers') # LED pin definitions WHITE_LED_PIN = 12 RED_LED_PIN = 11 # @ArduinoMCP.tool is a python decorator which is wrapping our functions to be exposed to the MCP Client (Claude Desktop) @ArduinoMCP.tool def white_led_ON(): '''Turns on white LED in the Arduino''' Arduino.digital[WHITE_LED_PIN].write(1) return 'White LED ON' @ArduinoMCP.tool def red_led_ON(): '''Turns on red LED in the Arduino''' Arduino.digital[RED_LED_PIN].write(1) return 'Red LED ON' @ArduinoMCP.tool def led_OFF(): '''Turns off all LEDs in the Arduino''' Arduino.digital[RED_LED_PIN].write(0) Arduino.digital[WHITE_LED_PIN].write(0) return 'All LEDs OFF' if __name__ == "__main__": ArduinoMCP.run() #Lets run our MCP server :)