ai-agents-for-beginners

πŸ” ИсслСдованиС Microsoft Agent Framework - Π‘Π°Π·ΠΎΠ²Ρ‹ΠΉ Π°Π³Π΅Π½Ρ‚ (.NET)

πŸ“‹ Π¦Π΅Π»ΠΈ обучСния

Π­Ρ‚ΠΎΡ‚ ΠΏΡ€ΠΈΠΌΠ΅Ρ€ ΠΈΠ·ΡƒΡ‡Π°Π΅Ρ‚ основныС ΠΊΠΎΠ½Ρ†Π΅ΠΏΡ†ΠΈΠΈ Microsoft Agent Framework Ρ‡Π΅Ρ€Π΅Π· Ρ€Π΅Π°Π»ΠΈΠ·Π°Ρ†ΠΈΡŽ Π±Π°Π·ΠΎΠ²ΠΎΠ³ΠΎ Π°Π³Π΅Π½Ρ‚Π° Π² .NET. Π’Ρ‹ ΡƒΠ·Π½Π°Π΅Ρ‚Π΅ ΠΊΠ»ΡŽΡ‡Π΅Π²Ρ‹Π΅ ΠΏΠ°Ρ‚Ρ‚Π΅Ρ€Π½Ρ‹ Ρ€Π°Π±ΠΎΡ‚Ρ‹ Π°Π³Π΅Π½Ρ‚ΠΎΠ² ΠΈ ΠΏΠΎΠΉΠΌΠ΅Ρ‚Π΅, ΠΊΠ°ΠΊ ΠΈΠ½Ρ‚Π΅Π»Π»Π΅ΠΊΡ‚ΡƒΠ°Π»ΡŒΠ½Ρ‹Π΅ Π°Π³Π΅Π½Ρ‚Ρ‹ Ρ„ΡƒΠ½ΠΊΡ†ΠΈΠΎΠ½ΠΈΡ€ΡƒΡŽΡ‚ Π½Π° ΡƒΡ€ΠΎΠ²Π½Π΅ C# ΠΈ экосистСмы .NET.

Π§Ρ‚ΠΎ Π²Ρ‹ ΡƒΠ·Π½Π°Π΅Ρ‚Π΅

🎯 ΠžΡΠ½ΠΎΠ²Π½Ρ‹Π΅ ΠΊΠΎΠ½Ρ†Π΅ΠΏΡ†ΠΈΠΈ

ΠŸΡ€ΠΈΠ½Ρ†ΠΈΠΏΡ‹ Π°Π³Π΅Π½Ρ‚Π½ΠΎΠ³ΠΎ Ρ„Ρ€Π΅ΠΉΠΌΠ²ΠΎΡ€ΠΊΠ°

ВСхничСскиС ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½Ρ‚Ρ‹

πŸ”§ ВСхничСский стСк

ΠžΡΠ½ΠΎΠ²Π½Ρ‹Π΅ Ρ‚Π΅Ρ…Π½ΠΎΠ»ΠΎΠ³ΠΈΠΈ

ВозмоТности Π°Π³Π΅Π½Ρ‚Π°

πŸ“š Π‘Ρ€Π°Π²Π½Π΅Π½ΠΈΠ΅ Ρ„Ρ€Π΅ΠΉΠΌΠ²ΠΎΡ€ΠΊΠΎΠ²

Π­Ρ‚ΠΎΡ‚ ΠΏΡ€ΠΈΠΌΠ΅Ρ€ дСмонстрируСт ΠΏΠΎΠ΄Ρ…ΠΎΠ΄ Microsoft Agent Framework Π² сравнСнии с Π΄Ρ€ΡƒΠ³ΠΈΠΌΠΈ Π°Π³Π΅Π½Ρ‚Π½Ρ‹ΠΌΠΈ Ρ„Ρ€Π΅ΠΉΠΌΠ²ΠΎΡ€ΠΊΠ°ΠΌΠΈ:

Ѐункция Microsoft Agent Framework Π”Ρ€ΡƒΠ³ΠΈΠ΅ Ρ„Ρ€Π΅ΠΉΠΌΠ²ΠΎΡ€ΠΊΠΈ
Π˜Π½Ρ‚Π΅Π³Ρ€Π°Ρ†ΠΈΡ Родная экосистСма Microsoft Разнообразная ΡΠΎΠ²ΠΌΠ΅ΡΡ‚ΠΈΠΌΠΎΡΡ‚ΡŒ
ΠŸΡ€ΠΎΡΡ‚ΠΎΡ‚Π° Чистый, ΠΈΠ½Ρ‚ΡƒΠΈΡ‚ΠΈΠ²Π½ΠΎ понятный API Часто слоТная настройка
Π Π°ΡΡˆΠΈΡ€ΡΠ΅ΠΌΠΎΡΡ‚ΡŒ ЛСгкая интСграция инструмСнтов Π—Π°Π²ΠΈΡΠΈΠΌΠΎΡΡ‚ΡŒ ΠΎΡ‚ Ρ„Ρ€Π΅ΠΉΠΌΠ²ΠΎΡ€ΠΊΠ°
Π“ΠΎΡ‚ΠΎΠ²Π½ΠΎΡΡ‚ΡŒ ΠΊ прСдприятиям Π Π°Π·Ρ€Π°Π±ΠΎΡ‚Π°Π½ для ΠΏΡ€ΠΎΠ΄Π°ΠΊΡˆΠ΅Π½Π° Зависит ΠΎΡ‚ Ρ„Ρ€Π΅ΠΉΠΌΠ²ΠΎΡ€ΠΊΠ°

πŸš€ Начало Ρ€Π°Π±ΠΎΡ‚Ρ‹

ΠŸΡ€Π΅Π΄Π²Π°Ρ€ΠΈΡ‚Π΅Π»ΡŒΠ½Ρ‹Π΅ трСбования

НСобходимыС ΠΏΠ΅Ρ€Π΅ΠΌΠ΅Π½Π½Ρ‹Π΅ окруТСния

# zsh/bash
export GH_TOKEN=<your_github_token>
export GH_ENDPOINT=https://models.github.ai/inference
export GH_MODEL_ID=openai/gpt-5-mini
# PowerShell
$env:GH_TOKEN = "<your_github_token>"
$env:GH_ENDPOINT = "https://models.github.ai/inference"
$env:GH_MODEL_ID = "openai/gpt-5-mini"

ΠŸΡ€ΠΈΠΌΠ΅Ρ€ ΠΊΠΎΠ΄Π°

Π§Ρ‚ΠΎΠ±Ρ‹ Π·Π°ΠΏΡƒΡΡ‚ΠΈΡ‚ΡŒ ΠΏΡ€ΠΈΠΌΠ΅Ρ€ ΠΊΠΎΠ΄Π°,

# zsh/bash
chmod +x ./02-dotnet-agent-framework.cs
./02-dotnet-agent-framework.cs

Или ΠΈΡΠΏΠΎΠ»ΡŒΠ·ΡƒΡ CLI dotnet:

dotnet run ./02-dotnet-agent-framework.cs

Π‘ΠΌΠΎΡ‚Ρ€ΠΈΡ‚Π΅ 02-dotnet-agent-framework.cs для ΠΏΠΎΠ»Π½ΠΎΠ³ΠΎ ΠΊΠΎΠ΄Π°.

#!/usr/bin/dotnet run

#:package Microsoft.Extensions.AI@10.*
#:package Microsoft.Agents.AI.OpenAI@1.*-*

using System.ClientModel;
using System.ComponentModel;

using Microsoft.Agents.AI;
using Microsoft.Extensions.AI;

using OpenAI;

// Tool Function: Random Destination Generator
// This static method will be available to the agent as a callable tool
// The [Description] attribute helps the AI understand when to use this function
// This demonstrates how to create custom tools for AI agents
[Description("Provides a random vacation destination.")]
static string GetRandomDestination()
{
    // List of popular vacation destinations around the world
    // The agent will randomly select from these options
    var destinations = new List<string>
    {
        "Paris, France",
        "Tokyo, Japan",
        "New York City, USA",
        "Sydney, Australia",
        "Rome, Italy",
        "Barcelona, Spain",
        "Cape Town, South Africa",
        "Rio de Janeiro, Brazil",
        "Bangkok, Thailand",
        "Vancouver, Canada"
    };

    // Generate random index and return selected destination
    // Uses System.Random for simple random selection
    var random = new Random();
    int index = random.Next(destinations.Count);
    return destinations[index];
}

// Extract configuration from environment variables
// Retrieve the GitHub Models API endpoint, defaults to https://models.github.ai/inference if not specified
// Retrieve the model ID, defaults to openai/gpt-5-mini if not specified
// Retrieve the GitHub token for authentication, throws exception if not specified
var github_endpoint = Environment.GetEnvironmentVariable("GH_ENDPOINT") ?? "https://models.github.ai/inference";
var github_model_id = Environment.GetEnvironmentVariable("GH_MODEL_ID") ?? "openai/gpt-5-mini";
var github_token = Environment.GetEnvironmentVariable("GH_TOKEN") ?? throw new InvalidOperationException("GH_TOKEN is not set.");

// Configure OpenAI Client Options
// Create configuration options to point to GitHub Models endpoint
// This redirects OpenAI client calls to GitHub's model inference service
var openAIOptions = new OpenAIClientOptions()
{
    Endpoint = new Uri(github_endpoint)
};

// Initialize OpenAI Client with GitHub Models Configuration
// Create OpenAI client using GitHub token for authentication
// Configure it to use GitHub Models endpoint instead of OpenAI directly
var openAIClient = new OpenAIClient(new ApiKeyCredential(github_token), openAIOptions);

// Define Agent Identity and Comprehensive Instructions
// Agent name for identification and logging purposes
var AGENT_NAME = "TravelAgent";

// Detailed instructions that define the agent's personality, capabilities, and behavior
// This system prompt shapes how the agent responds and interacts with users
var AGENT_INSTRUCTIONS = """
You are a helpful AI Agent that can help plan vacations for customers.

Important: When users specify a destination, always plan for that location. Only suggest random destinations when the user hasn't specified a preference.

When the conversation begins, introduce yourself with this message:
"Hello! I'm your TravelAgent assistant. I can help plan vacations and suggest interesting destinations for you. Here are some things you can ask me:
1. Plan a day trip to a specific location
2. Suggest a random vacation destination
3. Find destinations with specific features (beaches, mountains, historical sites, etc.)
4. Plan an alternative trip if you don't like my first suggestion

What kind of trip would you like me to help you plan today?"

Always prioritize user preferences. If they mention a specific destination like "Bali" or "Paris," focus your planning on that location rather than suggesting alternatives.
""";

// Create AI Agent with Advanced Travel Planning Capabilities
// Initialize complete agent pipeline: OpenAI client β†’ Chat client β†’ AI agent
// Configure agent with name, detailed instructions, and available tools
// This demonstrates the .NET agent creation pattern with full configuration
AIAgent agent = openAIClient
    .GetChatClient(github_model_id)
    .CreateAIAgent(
        name: AGENT_NAME,
        instructions: AGENT_INSTRUCTIONS,
        tools: [AIFunctionFactory.Create(GetRandomDestination)]
    );

// Create New Conversation Thread for Context Management
// Initialize a new conversation thread to maintain context across multiple interactions
// Threads enable the agent to remember previous exchanges and maintain conversational state
// This is essential for multi-turn conversations and contextual understanding
AgentThread thread = agent.GetNewThread();

// Execute Agent: First Travel Planning Request
// Run the agent with an initial request that will likely trigger the random destination tool
// The agent will analyze the request, use the GetRandomDestination tool, and create an itinerary
// Using the thread parameter maintains conversation context for subsequent interactions
await foreach (var update in agent.RunStreamingAsync("Plan me a day trip", thread))
{
    await Task.Delay(10);
    Console.Write(update);
}

Console.WriteLine();

// Execute Agent: Follow-up Request with Context Awareness
// Demonstrate contextual conversation by referencing the previous response
// The agent remembers the previous destination suggestion and will provide an alternative
// This showcases the power of conversation threads and contextual understanding in .NET agents
await foreach (var update in agent.RunStreamingAsync("I don't like that destination. Plan me another vacation.", thread))
{
    await Task.Delay(10);
    Console.Write(update);
}

πŸŽ“ ΠžΡΠ½ΠΎΠ²Π½Ρ‹Π΅ Π²Ρ‹Π²ΠΎΠ΄Ρ‹

  1. АрхитСктура Π°Π³Π΅Π½Ρ‚Π°: Microsoft Agent Framework прСдоставляСт чистый, типобСзопасный ΠΏΠΎΠ΄Ρ…ΠΎΠ΄ ΠΊ созданию AI-Π°Π³Π΅Π½Ρ‚ΠΎΠ² Π² .NET
  2. Π˜Π½Ρ‚Π΅Π³Ρ€Π°Ρ†ΠΈΡ инструмСнтов: Π€ΡƒΠ½ΠΊΡ†ΠΈΠΈ, Π΄Π΅ΠΊΠΎΡ€ΠΈΡ€ΠΎΠ²Π°Π½Π½Ρ‹Π΅ Π°Ρ‚Ρ€ΠΈΠ±ΡƒΡ‚Π°ΠΌΠΈ [Description], становятся доступными инструмСнтами для Π°Π³Π΅Π½Ρ‚Π°
  3. ΠšΠΎΠ½Ρ‚Π΅ΠΊΡΡ‚ общСния: Π£ΠΏΡ€Π°Π²Π»Π΅Π½ΠΈΠ΅ ΠΏΠΎΡ‚ΠΎΠΊΠ°ΠΌΠΈ позволяСт вСсти ΠΌΠ½ΠΎΠ³ΠΎΠΊΡ€Π°Ρ‚Π½Ρ‹Π΅ Π΄ΠΈΠ°Π»ΠΎΠ³ΠΈ с ΠΏΠΎΠ»Π½Ρ‹ΠΌ ΡƒΡ‡Π΅Ρ‚ΠΎΠΌ контСкста
  4. Π£ΠΏΡ€Π°Π²Π»Π΅Π½ΠΈΠ΅ ΠΊΠΎΠ½Ρ„ΠΈΠ³ΡƒΡ€Π°Ρ†ΠΈΠ΅ΠΉ: ΠŸΠ΅Ρ€Π΅ΠΌΠ΅Π½Π½Ρ‹Π΅ окруТСния ΠΈ бСзопасная ΠΎΠ±Ρ€Π°Π±ΠΎΡ‚ΠΊΠ° ΡƒΡ‡Π΅Ρ‚Π½Ρ‹Ρ… Π΄Π°Π½Π½Ρ‹Ρ… ΡΠΎΠΎΡ‚Π²Π΅Ρ‚ΡΡ‚Π²ΡƒΡŽΡ‚ Π»ΡƒΡ‡ΡˆΠΈΠΌ ΠΏΡ€Π°ΠΊΡ‚ΠΈΠΊΠ°ΠΌ .NET
  5. Π‘ΠΎΠ²ΠΌΠ΅ΡΡ‚ΠΈΠΌΠΎΡΡ‚ΡŒ с OpenAI: Π˜Π½Ρ‚Π΅Π³Ρ€Π°Ρ†ΠΈΡ GitHub Models Ρ€Π°Π±ΠΎΡ‚Π°Π΅Ρ‚ Π±Π΅Π·ΡƒΠΏΡ€Π΅Ρ‡Π½ΠΎ Ρ‡Π΅Ρ€Π΅Π· совмСстимыС с OpenAI API

πŸ”— Π”ΠΎΠΏΠΎΠ»Π½ΠΈΡ‚Π΅Π»ΡŒΠ½Ρ‹Π΅ рСсурсы


ΠžΡ‚ΠΊΠ°Π· ΠΎΡ‚ отвСтствСнности:
Π­Ρ‚ΠΎΡ‚ Π΄ΠΎΠΊΡƒΠΌΠ΅Π½Ρ‚ Π±Ρ‹Π» ΠΏΠ΅Ρ€Π΅Π²Π΅Π΄Π΅Π½ с использованиСм сСрвиса автоматичСского ΠΏΠ΅Ρ€Π΅Π²ΠΎΠ΄Π° Co-op Translator. НСсмотря Π½Π° наши усилия ΠΎΠ±Π΅ΡΠΏΠ΅Ρ‡ΠΈΡ‚ΡŒ Ρ‚ΠΎΡ‡Π½ΠΎΡΡ‚ΡŒ, автоматичСский ΠΏΠ΅Ρ€Π΅Π²ΠΎΠ΄ ΠΌΠΎΠΆΠ΅Ρ‚ ΡΠΎΠ΄Π΅Ρ€ΠΆΠ°Ρ‚ΡŒ ошибки ΠΈΠ»ΠΈ нСточности. ΠžΡ€ΠΈΠ³ΠΈΠ½Π°Π»ΡŒΠ½Ρ‹ΠΉ Π΄ΠΎΠΊΡƒΠΌΠ΅Π½Ρ‚ Π½Π° Π΅Π³ΠΎ Ρ€ΠΎΠ΄Π½ΠΎΠΌ языкС слСдуСт ΡΡ‡ΠΈΡ‚Π°Ρ‚ΡŒ Π°Π²Ρ‚ΠΎΡ€ΠΈΡ‚Π΅Ρ‚Π½Ρ‹ΠΌ источником. Для получСния критичСски Π²Π°ΠΆΠ½ΠΎΠΉ ΠΈΠ½Ρ„ΠΎΡ€ΠΌΠ°Ρ†ΠΈΠΈ рСкомСндуСтся ΠΏΡ€ΠΎΡ„Π΅ΡΡΠΈΠΎΠ½Π°Π»ΡŒΠ½Ρ‹ΠΉ ΠΏΠ΅Ρ€Π΅Π²ΠΎΠ΄ Ρ‡Π΅Π»ΠΎΠ²Π΅ΠΊΠΎΠΌ. ΠœΡ‹ Π½Π΅ нСсСм отвСтствСнности Π·Π° Π»ΡŽΠ±Ρ‹Π΅ нСдоразумСния ΠΈΠ»ΠΈ Π½Π΅ΠΏΡ€Π°Π²ΠΈΠ»ΡŒΠ½Ρ‹Π΅ толкования, возникшиС Π² Ρ€Π΅Π·ΡƒΠ»ΡŒΡ‚Π°Ρ‚Π΅ использования Π΄Π°Π½Π½ΠΎΠ³ΠΎ ΠΏΠ΅Ρ€Π΅Π²ΠΎΠ΄Π°.