Program.cs

// Copyright (c) Microsoft. All rights reserved.

// This sample shows how to create and use a simple AI agent with Azure OpenAI Responses as the backend.

using Azure.AI.OpenAI;
using Azure.Identity;
using Microsoft.Agents.AI;
using Microsoft.Extensions.AI;
using OpenAI.Responses;

var endpoint = Environment.GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT") ?? throw new InvalidOperationException("AZURE_OPENAI_ENDPOINT is not set.");
var deploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYMENT_NAME") ?? "gpt-4o-mini";

// 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.
AIAgent agent = new AzureOpenAIClient(
    new Uri(endpoint),
    new DefaultAzureCredential())
     .GetResponsesClient(deploymentName)
     .AsAIAgent(instructions: "You are good at telling jokes.", name: "Joker");

// Invoke the agent and output the text result.
Console.WriteLine(await agent.RunAsync("Tell me a joke about a pirate."));

// Create a responses based agent with "store"=false.
// This means that chat history is managed locally by Agent Framework
// instead of being stored in the service (default).
AIAgent agentStoreFalse = new AzureOpenAIClient(
    new Uri(endpoint),
    new DefaultAzureCredential())
     .GetResponsesClient(deploymentName)
     .AsIChatClientWithStoredOutputDisabled()
     .AsAIAgent(instructions: "You are good at telling jokes.", name: "Joker");

// Invoke the agent and output the text result.
Console.WriteLine(await agentStoreFalse.RunAsync("Tell me a joke about a pirate."));