csharp-sdk/samples/AspNetCoreSseServer/Tools/SampleLlmTool.cs
Stephen Toub 62e92fa154
Add ToolAnnotations support (#124)
* Add ToolAnnotations support

* Address feedback
2025-03-28 11:08:29 -04:00

36 lines
1.1 KiB
C#

using Microsoft.Extensions.AI;
using ModelContextProtocol.Server;
using System.ComponentModel;
namespace TestServerWithHosting.Tools;
/// <summary>
/// This tool uses dependency injection and async method
/// </summary>
[McpServerToolType]
public static class SampleLlmTool
{
[McpServerTool(Name = "sampleLLM"), Description("Samples from an LLM using MCP's sampling feature")]
public static async Task<string> SampleLLM(
IMcpServer thisServer,
[Description("The prompt to send to the LLM")] string prompt,
[Description("Maximum number of tokens to generate")] int maxTokens,
CancellationToken cancellationToken)
{
ChatMessage[] messages =
[
new(ChatRole.System, "You are a helpful test server."),
new(ChatRole.User, prompt),
];
ChatOptions options = new()
{
MaxOutputTokens = maxTokens,
Temperature = 0.7f,
};
var samplingResponse = await thisServer.AsSamplingChatClient().GetResponseAsync(messages, options, cancellationToken);
return $"LLM sampling result: {samplingResponse}";
}
}