forecast-by-lat-long.ts•1.6 kB
import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import { z } from "zod";
import * as airnowApi from "../airnow-api.js";
export const registerForecastByLatLong = (server: McpServer): void => {
server.tool(
"get-forecast-by-lat-long",
"Get current or historical forecasted AQI values and categories for a reporting area by latitude and longitude.",
{
latitude: z
.string()
.describe("Latitude in decimal degrees. Example: 38.33"),
longitude: z
.string()
.describe("Longitude in decimal degrees. Example: -122.28"),
date: z
.string()
.optional()
.describe("Date of forecast. Format: YYYY-MM-DD. Example: 2012-02-01"),
format: z
.enum(["text/csv", "application/json", "application/xml"])
.describe(
"Format of the payload file returned. Example: application/json"
),
distance: z
.string()
.optional()
.describe(
"Return a forecast from a nearby reporting area within this distance (in miles). Example: 150"
),
},
async (params) => {
const result = await airnowApi.fetchForecastByLatLong(params);
if (result === null) {
return {
content: [
{
type: "text",
text: "Failed to fetch forecast data from AirNow API.",
},
],
isError: true,
};
}
return {
content: [
{
type: "text",
text: result,
},
],
};
}
);
};