Weather MCP Tool (India-Focused)

An MCP (Model Context Protocol) server using the OpenWeatherMap API to provide:

• Real-time weather conditions
• 5-day weather forecasts
• Air quality data
• Location search

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🚀 Setup

1. Python 3.10+ is required.
2. Install dependencies:

   pip install -r requirements.txt
   

3. Get an API key from OpenWeatherMap.
4. Create a .env file in the root folder:

   OPENWEATHER_API_KEY=your_api_key_here
   

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🛠 Available Tools

get_current_weather(location: str)

Returns current weather for a given location.

get_weather_forecast(location: str, days: int = 5)

Returns a weather forecast (up to 5 days) for the location.

get_air_quality(location: str)

Returns air quality metrics and AQI level.

search_location(query: str)

Returns up to 5 location matches based on the query.

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🧪 Example Output (India)

Current Weather (Delhi)

{
  "location": {
    "name": "Delhi",
    "country": "IN",
    "lat": 28.6139,
    "lon": 77.2090
  },
  "temperature": {
    "current": 32.4,
    "feels_like": 35.1,
    "min": 30.0,
    "max": 36.2
  },
  "weather_condition": {
    "main": "Haze",
    "description": "smoky haze",
    "icon": "50d"
  },
  "wind": {
    "speed": 4.1,
    "deg": 135
  },
  "clouds": 20,
  "humidity": 58,
  "pressure": 1005,
  "visibility": 5000,
  "sunrise": "2025-03-16T06:20:00",
  "sunset": "2025-03-16T18:40:00",
  "timestamp": "2025-03-16T14:30:00"
}

Weather Forecast (Mumbai)

{
  "location": {
    "name": "Mumbai",
    "country": "IN",
    "lat": 19.0760,
    "lon": 72.8777
  },
  "forecast": [
    {
      "datetime": "2025-03-16T12:00:00",
      "temperature": {
        "temp": 33.2,
        "feels_like": 37.8,
        "min": 31.5,
        "max": 34.0
      },
      "weather_condition": {
        "main": "Clouds",
        "description": "scattered clouds",
        "icon": "03d"
      },
      "wind": {
        "speed": 3.9,
        "deg": 200
      },
      "clouds": 40,
      "humidity": 70,
      "pressure": 1008,
      "visibility": 10000,
      "pop": 0.1
    }
  ],
  "days": 5
}

Air Quality (Bangalore)

{
  "location": {
    "name": "Bengaluru",
    "country": "IN",
    "lat": 12.9716,
    "lon": 77.5946
  },
  "air_quality_index": 2,
  "air_quality_level": "Fair",
  "components": {
    "co": 102.4,
    "no": 0.0,
    "no2": 12.6,
    "o3": 30.5,
    "so2": 3.8,
    "pm2_5": 45.1,
    "pm10": 60.2,
    "nh3": 1.5
  },
  "timestamp": "2025-03-16T14:30:00"
}

Location Search

{
  "results": [
    {
      "name": "Kolkata",
      "state": "West Bengal",
      "country": "IN",
      "lat": 22.5726,
      "lon": 88.3639
    },
    {
      "name": "Kolkata",
      "state": "",
      "country": "IN",
      "lat": 22.5675,
      "lon": 88.3700
    }
  ]
}

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🧰 Error Handling

All tools return clear error messages:

{ "error": "Location 'XYZ' not found" }

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📌 Notes

• Ensure .env file is configured correctly.
• API keys may take time to activate.
• OpenWeatherMap free tier: 60 API calls per minute.

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🧑‍💻 Run the Server

mcp dev main.py

Once running, you can use this server with MCP-compatible clients like Claude Desktop or other automation tools.

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