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complete fix for SampleLlmTool discovery (#102)

Browse source 
https://github.com/modelcontextprotocol/csharp-sdk/issues/80

Co-authored-by: Stephen Toub <stoub@microsoft.com>
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nevermore 2025-03-28 06:22:25 +08:00 • committed by GitHub
commit 9330774795
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1 changed files with 4 additions and 10 deletions
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14
samples/TestServerWithHosting/Tools/SampleLlmTool.cs
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@ -8,23 +8,17 @@ namespace TestServerWithHosting.Tools;
/// This tool uses depenency injection and async method /// This tool uses depenency injection and async method
/// </summary> /// </summary>
[McpServerToolType] [McpServerToolType]
public class SampleLlmTool public static class SampleLlmTool
{ {
private readonly IMcpServer _server;
public SampleLlmTool(IMcpServer server)
{
_server = server ?? throw new ArgumentNullException(nameof(server));
}
[McpServerTool("sampleLLM"), Description("Samples from an LLM using MCP's sampling feature")] [McpServerTool("sampleLLM"), Description("Samples from an LLM using MCP's sampling feature")]
public async Task<string> SampleLLM( public static async Task<string> SampleLLM(
IMcpServer thisServer,
[Description("The prompt to send to the LLM")] string prompt, [Description("The prompt to send to the LLM")] string prompt,
[Description("Maximum number of tokens to generate")] int maxTokens, [Description("Maximum number of tokens to generate")] int maxTokens,
CancellationToken cancellationToken) CancellationToken cancellationToken)
{ {
var samplingParams = CreateRequestSamplingParams(prompt ?? string.Empty, "sampleLLM", maxTokens); var samplingParams = CreateRequestSamplingParams(prompt ?? string.Empty, "sampleLLM", maxTokens);
var sampleResult = await _server.RequestSamplingAsync(samplingParams, cancellationToken); var sampleResult = await thisServer.RequestSamplingAsync(samplingParams, cancellationToken);
return $"LLM sampling result: {sampleResult.Content.Text}"; return $"LLM sampling result: {sampleResult.Content.Text}";
} }