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chore: import upstream snapshot with attribution
2026-07-13 13:39:25 +08:00

59 lines
2.7 KiB
C#

// Copyright (c) Microsoft. All rights reserved.
// This sample demonstrates how to configure AI agents to be accessible as MCP tools.
// When using AddAIAgent and enabling MCP tool triggers, the Functions host will automatically
// generate a remote MCP endpoint for the app at /runtime/webhooks/mcp with a agent-specific
// query tool name.
#pragma warning disable IDE0002 // Simplify Member Access
using Azure;
using Azure.AI.OpenAI;
using Azure.Identity;
using Microsoft.Agents.AI;
using Microsoft.Agents.AI.DurableTask;
using Microsoft.Agents.AI.Hosting.AzureFunctions;
using Microsoft.Azure.Functions.Worker.Builder;
using Microsoft.Extensions.Hosting;
using OpenAI.Chat;
// Get the Azure OpenAI endpoint and deployment name from environment variables.
string endpoint = Environment.GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT")
?? throw new InvalidOperationException("AZURE_OPENAI_ENDPOINT is not set.");
string deploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYMENT_NAME")
?? throw new InvalidOperationException("AZURE_OPENAI_DEPLOYMENT_NAME is not set.");
// Use Azure Key Credential if provided, otherwise use Azure CLI Credential.
string? azureOpenAiKey = System.Environment.GetEnvironmentVariable("AZURE_OPENAI_API_KEY");
// WARNING: DefaultAzureCredential is convenient for development but requires careful consideration in production.
// In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid
// latency issues, unintended credential probing, and potential security risks from fallback mechanisms.
AzureOpenAIClient client = !string.IsNullOrEmpty(azureOpenAiKey)
? new AzureOpenAIClient(new Uri(endpoint), new AzureKeyCredential(azureOpenAiKey))
: new AzureOpenAIClient(new Uri(endpoint), new DefaultAzureCredential());
// Define three AI agents we are going to use in this application.
AIAgent agent1 = client.GetChatClient(deploymentName).AsAIAgent("You are good at telling jokes.", "Joker");
AIAgent agent2 = client.GetChatClient(deploymentName)
.AsAIAgent("Check stock prices.", "StockAdvisor");
AIAgent agent3 = client.GetChatClient(deploymentName)
.AsAIAgent("Recommend plants.", "PlantAdvisor", description: "Get plant recommendations.");
using IHost app = FunctionsApplication
.CreateBuilder(args)
.ConfigureFunctionsWebApplication()
.ConfigureDurableAgents(options =>
{
options
.AddAIAgent(agent1) // Enables HTTP trigger by default.
.AddAIAgent(agent2, enableHttpTrigger: false, enableMcpToolTrigger: true) // Disable HTTP trigger, enable MCP Tool trigger.
.AddAIAgent(agent3, agentOptions =>
{
agentOptions.McpToolTrigger.IsEnabled = true; // Enable MCP Tool trigger.
});
})
.Build();
app.Run();