chatbot-template/lib/ai/tools/get-weather.ts

import { tool } from "ai";
import { z } from "zod";

export const getWeather = tool({
  description: "Get the current weather at a location",
  inputSchema: z.object({
    latitude: z.number(),
    longitude: z.number(),
  }),
  execute: async ({ latitude, longitude }) => {
    const response = await fetch(
      `https://api.open-meteo.com/v1/forecast?latitude=${latitude}&longitude=${longitude}&current=temperature_2m&hourly=temperature_2m&daily=sunrise,sunset&timezone=auto`
    );

    const weatherData = await response.json();
    return weatherData;
  },
});