Visual Crossing Weather MCP

import json import requests from typing import List from mcp.server.fastmcp import FastMCP from dotenv import load_dotenv import os load_dotenv() mcp = FastMCP("historical_weather") API_KEY = os.getenv("API_KEY") base_url = 'https://weather.visualcrossing.com/VisualCrossingWebServices/rest/services/weatherdata/history?' def build_url(location, start_date, end_date, unit_of_measure): aggregate_hours = '&aggregateHours=24' contentType = '&contentType=json' startDateTime = '&startDateTime=' + start_date endDateTime = '&endDateTime=' + end_date unitGroup = '&unitGroup=' + unit_of_measure location = '&location=' + location key = '&key=' + API_KEY # return base_url + location +'/' + date + '/' + date + '?unitGroup='+ unit_of_measure + '&key=' + API_KEY + '&contentType=json' return base_url + aggregate_hours+ startDateTime + endDateTime + unitGroup + contentType + location + key @mcp.tool() def visual_crossing_history(location, start_date, end_date, unit_of_measure) -> dict: """ Search for historical weather information from the Visual Crossing weather API Take the location, start and end dates, and a unit of measure (metric or us) Return a dict with the date * temperature * max temperature * min temperature * preciptitation * solar radiation * humidity * cloud cover * snow depth * weather type * weather conditions * heat index * wind chill """ response = requests.get(build_url(location=location, start_date=start_date, end_date=end_date,unit_of_measure=unit_of_measure)) if response.status_code == 200: weather_dict = {} for weather_record in response.json()['locations'][location]['values']: date_dict = {} date_dict["temperature"] = weather_record["temp"] date_dict["max_temperature"] = weather_record["maxt"] date_dict["min_temperature"] = weather_record["mint"] date_dict["precipitation"] = weather_record["precip"] date_dict["solar_radiation"] = weather_record["solarradiation"] date_dict["humidity"] = weather_record["humidity"] date_dict["cloud_cover"] = weather_record["cloudcover"] date_dict["snow_depth"] = weather_record["snowdepth"] date_dict["weather_type"] = weather_record["weathertype"] date_dict["weather_conditions"] = weather_record["conditions"] date_dict["heat_index"] = weather_record["heatindex"] date_dict["windchill"] = weather_record["windchill"] weather_dict[str(weather_record['datetimeStr'])] = date_dict #weather_dict[str(weather_record['datetimeStr'])] = str(weather_record['temp']) return weather_dict else: return {} if __name__ == "__main__": mcp.run(transport='stdio')