"""
Get current weather tool for Weather MCP Server.
"""
from typing import Dict, Any
from fastmcp import FastMCP
from datetime import datetime
from .common import BASE_URL, make_weather_request
def register_tool(mcp: FastMCP):
"""Register the get_current_weather tool with the FastMCP server."""
@mcp.tool
async def get_current_weather(
location: str,
units: str = "metric"
) -> Dict[str, Any]:
"""
Get current weather conditions for a specific location.
Args:
location: City name, state code, and country code (e.g., 'London,UK' or 'New York,NY,US')
units: Units of measurement - metric (Celsius), imperial (Fahrenheit), or standard (Kelvin)
Returns:
Dictionary containing current weather data with location, temperature, humidity, etc.
"""
endpoint = f"{BASE_URL}/weather"
params = {"q": location, "units": units}
result = await make_weather_request(endpoint, params)
if not result["success"]:
return result
data = result["data"]
return {
"success": True,
"location": {
"name": data.get("name"),
"country": data.get("sys", {}).get("country"),
"coordinates": {
"latitude": data.get("coord", {}).get("lat"),
"longitude": data.get("coord", {}).get("lon")
}
},
"current": {
"temperature": data.get("main", {}).get("temp"),
"feels_like": data.get("main", {}).get("feels_like"),
"temp_min": data.get("main", {}).get("temp_min"),
"temp_max": data.get("main", {}).get("temp_max"),
"pressure": data.get("main", {}).get("pressure"),
"humidity": data.get("main", {}).get("humidity"),
"description": data.get("weather", [{}])[0].get("description"),
"icon": data.get("weather", [{}])[0].get("icon"),
"wind": {
"speed": data.get("wind", {}).get("speed"),
"direction": data.get("wind", {}).get("deg")
},
"clouds": data.get("clouds", {}).get("all"),
"visibility": data.get("visibility")
},
"timestamp": datetime.fromtimestamp(data.get("dt", 0)).isoformat(),
"sunrise": datetime.fromtimestamp(data.get("sys", {}).get("sunrise", 0)).isoformat(),
"sunset": datetime.fromtimestamp(data.get("sys", {}).get("sunset", 0)).isoformat(),
"units": units
}
