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microsoft--semantic-kernel/dotnet/samples/Demos/ModelContextProtocolPlugin/Program.cs
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71 lines
2.5 KiB
C#

// Copyright (c) Microsoft. All rights reserved.
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Microsoft.SemanticKernel;
using Microsoft.SemanticKernel.Agents;
using Microsoft.SemanticKernel.Connectors.OpenAI;
using ModelContextProtocol.Client;
var config = new ConfigurationBuilder()
.AddUserSecrets<Program>()
.AddEnvironmentVariables()
.Build();
if (config["OpenAI:ApiKey"] is not { } apiKey)
{
Console.Error.WriteLine("Please provide a valid OpenAI:ApiKey to run this sample. See the associated README.md for more details.");
return;
}
// Create an MCPClient for the GitHub server
var mcpClient = await McpClient.CreateAsync(new StdioClientTransport(new()
{
Name = "MCPServer",
Command = "npx",
Arguments = ["-y", "@modelcontextprotocol/server-github"],
}));
// Retrieve the list of tools available on the GitHub server
var tools = await mcpClient.ListToolsAsync().ConfigureAwait(false);
foreach (var tool in tools)
{
Console.WriteLine($"{tool.Name}: {tool.Description}");
}
// Prepare and build kernel with the MCP tools as Kernel functions
var builder = Kernel.CreateBuilder();
builder.Services
.AddLogging(c => c.AddDebug().SetMinimumLevel(Microsoft.Extensions.Logging.LogLevel.Trace))
.AddOpenAIChatCompletion(
modelId: config["OpenAI:ChatModelId"] ?? "gpt-4o-mini",
apiKey: apiKey);
Kernel kernel = builder.Build();
kernel.Plugins.AddFromFunctions("GitHub", tools.Select(aiFunction => aiFunction.AsKernelFunction()));
// Enable automatic function calling
OpenAIPromptExecutionSettings executionSettings = new()
{
Temperature = 0,
FunctionChoiceBehavior = FunctionChoiceBehavior.Auto(options: new() { RetainArgumentTypes = true })
};
// Test using GitHub tools
var prompt = "Summarize the last four commits to the microsoft/semantic-kernel repository?";
var result = await kernel.InvokePromptAsync(prompt, new(executionSettings)).ConfigureAwait(false);
Console.WriteLine($"\n\n{prompt}\n{result}");
// Define the agent
ChatCompletionAgent agent = new()
{
Instructions = "Answer questions about GitHub repositories.",
Name = "GitHubAgent",
Kernel = kernel,
Arguments = new KernelArguments(executionSettings),
};
// Respond to user input, invoking functions where appropriate.
ChatMessageContent response = await agent.InvokeAsync("Summarize the last four commits to the microsoft/semantic-kernel repository?").FirstAsync();
Console.WriteLine($"\n\nResponse from GitHubAgent:\n{response.Content}");