84 lines
3.6 KiB
C#
84 lines
3.6 KiB
C#
// Copyright (c) Microsoft. All rights reserved.
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using System;
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using System.Collections.Generic;
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using System.Threading.Tasks;
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using Microsoft.SemanticKernel;
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using Microsoft.SemanticKernel.ChatCompletion;
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using Microsoft.SemanticKernel.Connectors.OpenAI;
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using ModelContextProtocol.Client;
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using ModelContextProtocol.Protocol;
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namespace MCPClient.Samples;
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/// <summary>
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/// Demonstrates how to use the Model Context Protocol (MCP) resource templates with the Semantic Kernel.
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/// </summary>
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internal sealed class MCPResourceTemplatesSample : BaseSample
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{
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/// <summary>
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/// Demonstrates how to use the MCP resource templates with the Semantic Kernel.
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/// The code in this method:
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/// 1. Creates an MCP client.
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/// 2. Retrieves the list of resource templates provided by the MCP server.
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/// 3. Reads relevant to the prompt records from the `vectorStore://records/{prompt}` MCP resource template.
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/// 4. Adds the records to the chat history and prompts the AI model to explain what SK is.
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/// </summary>
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public static async Task RunAsync()
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{
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Console.WriteLine($"Running the {nameof(MCPResourceTemplatesSample)} sample.");
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// Create an MCP client
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McpClient mcpClient = await CreateMcpClientAsync();
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// Retrieve list of resource templates provided by the MCP server and display them
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IList<McpClientResourceTemplate> resourceTemplates = await mcpClient.ListResourceTemplatesAsync();
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DisplayResourceTemplates(resourceTemplates);
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// Create a kernel
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Kernel kernel = CreateKernelWithChatCompletionService();
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// Enable automatic function calling
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OpenAIPromptExecutionSettings executionSettings = new()
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{
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Temperature = 0,
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FunctionChoiceBehavior = FunctionChoiceBehavior.Auto(options: new() { RetainArgumentTypes = true })
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};
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string prompt = "What is the Semantic Kernel?";
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// Retrieve relevant to the prompt records via MCP resource template
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ReadResourceResult resource = await mcpClient.ReadResourceAsync(new Uri($"vectorStore://records/{prompt}"));
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// Add the resource content/records to the chat history and prompt the AI model to explain what SK is
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ChatHistory chatHistory = [];
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chatHistory.AddUserMessage(resource.ToChatMessageContentItemCollection());
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chatHistory.AddUserMessage(prompt);
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// Execute a prompt using the MCP resource and prompt added to the chat history
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IChatCompletionService chatCompletion = kernel.GetRequiredService<IChatCompletionService>();
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ChatMessageContent result = await chatCompletion.GetChatMessageContentAsync(chatHistory, executionSettings, kernel);
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Console.WriteLine(result);
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Console.WriteLine();
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// The expected output is: The Semantic Kernel (SK) is a lightweight software development kit (SDK) designed for use in .NET applications.
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// It acts as an orchestrator that facilitates interaction between AI models and available plugins, enabling them to work together to produce desired outputs.
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}
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/// <summary>
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/// Displays the list of resource templates provided by the MCP server.
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/// </summary>
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/// <param name="resourceTemplates">The list of resource templates to display.</param>
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private static void DisplayResourceTemplates(IList<McpClientResourceTemplate> resourceTemplates)
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{
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Console.WriteLine("Available MCP resource templates:");
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foreach (var template in resourceTemplates)
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{
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Console.WriteLine($"- Name: {template.Name}, Description: {template.Description}");
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}
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Console.WriteLine();
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}
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}
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