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Samples for quickstart docs (#104)

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* Server quickstart for docs

* WIP

* Client quickstart for docs

* Code review feedback

* Fixing anthropic SDK and improving the prompting

* Little cleanup

* Code review feedback
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Aaron Powell 2025-03-27 13:30:19 +11:00 • committed by GitHub
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53
samples/QuickstartWeatherServer/Tools/WeatherTools.cs Normal file
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using ModelContextProtocol.Server;
using System.ComponentModel;
using System.Net.Http.Json;
using System.Text.Json;
namespace QuickstartWeatherServer.Tools;
[McpServerToolType]
public static class WeatherTools
{
[McpServerTool, Description("Get weather alerts for a US state.")]
public static async Task<string> GetAlerts(
HttpClient client,
[Description("The US state to get alerts for.")] string state)
{
var jsonElement = await client.GetFromJsonAsync<JsonElement>($"/alerts/active/area/{state}");
var alerts = jsonElement.GetProperty("features").EnumerateArray();
if (!alerts.Any())
{
return "No active alerts for this state.";
}
return string.Join("\n--\n", alerts.Select(alert =>
{
JsonElement properties = alert.GetProperty("properties");
return $"""
Event: {properties.GetProperty("event").GetString()}
Area: {properties.GetProperty("areaDesc").GetString()}
Severity: {properties.GetProperty("severity").GetString()}
Description: {properties.GetProperty("description").GetString()}
Instruction: {properties.GetProperty("instruction").GetString()}
""";
}));
}
[McpServerTool, Description("Get weather forecast for a location.")]
public static async Task<string> GetForecast(
HttpClient client,
[Description("Latitude of the location.")] double latitude,
[Description("Longitude of the location.")] double longitude)
{
var jsonElement = await client.GetFromJsonAsync<JsonElement>($"/points/{latitude},{longitude}");
var periods = jsonElement.GetProperty("properties").GetProperty("periods").EnumerateArray();
return string.Join("\n---\n", periods.Select(period => $"""
{period.GetProperty("name").GetString()}
Temperature: {period.GetProperty("temperature").GetInt32()}°F
Wind: {period.GetProperty("windSpeed").GetString()} {period.GetProperty("windDirection").GetString()}
Forecast: {period.GetProperty("detailedForecast").GetString()}
"""));
}
}