@maol-1997/weatherapi-mcp/dist/server.js

WeatherAPI MCP server - MCP tool for weather data

#!/usr/bin/env node
import { McpServer, ResourceTemplate } from "@modelcontextprotocol/sdk/server/mcp.js";
import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
import { z } from "zod";
import axios from 'axios';
import dotenv from 'dotenv';
dotenv.config();
const args = process.argv.slice(2);
let apiKeyFromArgs;
for (const arg of args) {
    if (!arg.startsWith('@') && !arg.startsWith('-')) {
        apiKeyFromArgs = arg;
        break;
    }
}
const API_KEY = apiKeyFromArgs || process.env.WEATHER_API_KEY;
if (!API_KEY) {
    throw new Error('WEATHER_API_KEY environment variable not defined or API key parameter not provided!');
}
const BASE_URL = 'http://api.weatherapi.com/v1';
const server = new McpServer({
    name: "WeatherAPI",
    version: "1.1.0"
});
const getWeather = async (args) => {
    try {
        const response = await axios.get(`${BASE_URL}/current.json`, {
            params: {
                key: API_KEY,
                q: args.location
            }
        });
        const data = response.data;
        return {
            content: [{
                    type: "text",
                    text: JSON.stringify({
                        location: data.location.name,
                        country: data.location.country,
                        temp_c: data.current.temp_c,
                        condition: data.current.condition.text,
                        humidity: data.current.humidity,
                        wind_kph: data.current.wind_kph
                    }, null, 2)
                }]
        };
    }
    catch (error) {
        if (axios.isAxiosError(error)) {
            throw new Error(`Failed to fetch weather data: ${error.response?.data?.error?.message || error.message}`);
        }
        throw error;
    }
};
server.tool("get_weather", {
    location: z.string().describe("City name")
}, async (args) => getWeather(args));
server.resource("weather", new ResourceTemplate("weather://{city}/current", { list: undefined }), async (uri, variables) => {
    const city = variables.city;
    const result = await getWeather({ location: city });
    return {
        contents: [{
                uri: uri.href,
                text: result.content[0].text
            }]
    };
});
const transport = new StdioServerTransport();
await server.connect(transport);