79 lines
No EOL
2.7 KiB
C#
79 lines
No EOL
2.7 KiB
C#
using ModelContextProtocol.Client;
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using ModelContextProtocol.Configuration;
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using ModelContextProtocol.Protocol.Transport;
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using Microsoft.Extensions.AI;
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using OpenAI;
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try
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{
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Console.WriteLine("Initializing MCP 'everything' server");
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await using var client = await GetMcpClientAsync();
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Console.WriteLine("MCP 'everything' server initialized");
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Console.WriteLine("Listing tools...");
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var mappedTools = await client.GetAIFunctionsAsync();
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Console.WriteLine("Tools available:");
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foreach (var tool in mappedTools)
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{
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Console.WriteLine($" {tool}");
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}
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Console.WriteLine("Starting chat with GPT-4o-mini...");
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// Note: We use then Microsoft.Extensions.AI.OpenAI client here, but it could be any other MEAI client.
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// Provide your own OPENAI_API_KEY via an environment variable, secret or file-based appsettings. Do not hardcode it.
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IChatClient chatClient = new OpenAIClient(Environment.GetEnvironmentVariable("OPENAI_API_KEY"))
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.AsChatClient("gpt-4o-mini")
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.AsBuilder()
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.UseFunctionInvocation()
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.Build();
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// Create message list
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IList<Microsoft.Extensions.AI.ChatMessage> messages =
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[
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// Add a system message
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new(ChatRole.System, "You are a helpful assistant, helping us test MCP server functionality."),
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];
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// If MCP server provides instructions, add them as an additional system message (you could also add it as a content part)
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if (!string.IsNullOrEmpty(client.ServerInstructions))
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{
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messages.Add(new(ChatRole.System, client.ServerInstructions));
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}
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// Add a user message
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messages.Add(new(ChatRole.User, "Please call the echo tool with the string 'Hello MCP!' and give me the response as-is."));
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// Call the chat client
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Console.WriteLine("Asking GPT-4o-mini to call the Echo Tool...");
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await foreach (var update in chatClient.GetStreamingResponseAsync(messages, new() { Tools = [.. mappedTools] }))
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{
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Console.Write(update);
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}
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Console.WriteLine();
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}
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catch (Exception ex)
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{
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Console.WriteLine($"Error occurred: {ex.Message}");
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}
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async Task<IMcpClient> GetMcpClientAsync()
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{
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McpClientOptions clientOptions = new()
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{
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ClientInfo = new() { Name = "SimpleToolsConsole", Version = "1.0.0" }
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};
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McpServerConfig serverConfig = new()
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{
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Id = "everything",
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Name = "Everything",
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TransportType = TransportTypes.StdIo,
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TransportOptions = new Dictionary<string, string>
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{
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["command"] = "npx",
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["arguments"] = "-y @modelcontextprotocol/server-everything",
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}
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};
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return await McpClientFactory.CreateAsync(serverConfig, clientOptions);
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} |