ai-agents-for-beginners

🎨 АгСнтски дизайнСрски ΠΌΠΎΠ΄Π΅Π»ΠΈ с GitHub ΠΌΠΎΠ΄Π΅Π»ΠΈ (.NET)

πŸ“‹ Π£Ρ‡Π΅Π±Π½ΠΈ Ρ†Π΅Π»ΠΈ

Π’ΠΎΠ·ΠΈ ΠΏΡ€ΠΈΠΌΠ΅Ρ€ дСмонстрира ΠΊΠΎΡ€ΠΏΠΎΡ€Π°Ρ‚ΠΈΠ²Π½ΠΈ дизайнСрски ΠΌΠΎΠ΄Π΅Π»ΠΈ Π·Π° ΠΈΠ·Π³Ρ€Π°ΠΆΠ΄Π°Π½Π΅ Π½Π° ΠΈΠ½Ρ‚Π΅Π»ΠΈΠ³Π΅Π½Ρ‚Π½ΠΈ Π°Π³Π΅Π½Ρ‚ΠΈ, ΠΈΠ·ΠΏΠΎΠ»Π·Π²Π°ΠΉΠΊΠΈ Microsoft Agent Framework Π² .NET с интСграция Π½Π° GitHub ΠΌΠΎΠ΄Π΅Π»ΠΈ. Π©Π΅ Π½Π°ΡƒΡ‡ΠΈΡ‚Π΅ профСсионални ΠΌΠΎΠ΄Π΅Π»ΠΈ ΠΈ Π°Ρ€Ρ…ΠΈΡ‚Π΅ΠΊΡ‚ΡƒΡ€Π½ΠΈ ΠΏΠΎΠ΄Ρ…ΠΎΠ΄ΠΈ, ΠΊΠΎΠΈΡ‚ΠΎ правят Π°Π³Π΅Π½Ρ‚ΠΈΡ‚Π΅ Π³ΠΎΡ‚ΠΎΠ²ΠΈ Π·Π° производство, ΠΏΠΎΠ΄Π΄ΡŠΡ€ΠΆΠ°Π½ΠΈ ΠΈ ΠΌΠ°Ρ‰Π°Π±ΠΈΡ€ΡƒΠ΅ΠΌΠΈ.

ΠšΠΎΡ€ΠΏΠΎΡ€Π°Ρ‚ΠΈΠ²Π½ΠΈ дизайнСрски ΠΌΠΎΠ΄Π΅Π»ΠΈ

🎯 АрхитСктурни прСдимства Π½Π° .NET

ΠšΠΎΡ€ΠΏΠΎΡ€Π°Ρ‚ΠΈΠ²Π½ΠΈ Ρ„ΡƒΠ½ΠΊΡ†ΠΈΠΈ

МодСли, Π³ΠΎΡ‚ΠΎΠ²ΠΈ Π·Π° производство

πŸ”§ ВСхничСска Π°Ρ€Ρ…ΠΈΡ‚Π΅ΠΊΡ‚ΡƒΡ€Π°

Основни ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½Ρ‚ΠΈ Π½Π° .NET

Π˜ΠΌΠΏΠ»Π΅ΠΌΠ΅Π½Ρ‚Π°Ρ†ΠΈΡ Π½Π° дизайнСрски ΠΌΠΎΠ΄Π΅Π»ΠΈ

graph LR
    A[IServiceCollection] --> B[Agent Builder]
    B --> C[Configuration]
    C --> D[Tool Registry]
    D --> E[AI Agent]

πŸ—οΈ ДСмонстрирани ΠΊΠΎΡ€ΠΏΠΎΡ€Π°Ρ‚ΠΈΠ²Π½ΠΈ ΠΌΠΎΠ΄Π΅Π»ΠΈ

1. Π‘ΡŠΠ·Π΄Π°Π²Π°Ρ‰ΠΈ ΠΌΠΎΠ΄Π΅Π»ΠΈ

2. ΠŸΠΎΠ²Π΅Π΄Π΅Π½Ρ‡Π΅ΡΠΊΠΈ ΠΌΠΎΠ΄Π΅Π»ΠΈ

3. Π‘Ρ‚Ρ€ΡƒΠΊΡ‚ΡƒΡ€Π½ΠΈ ΠΌΠΎΠ΄Π΅Π»ΠΈ

πŸ“š ДизайнСрски ΠΏΡ€ΠΈΠ½Ρ†ΠΈΠΏΠΈ Π½Π° .NET

SOLID ΠΏΡ€ΠΈΠ½Ρ†ΠΈΠΏΠΈ

Чиста Π°Ρ€Ρ…ΠΈΡ‚Π΅ΠΊΡ‚ΡƒΡ€Π°

πŸ”’ ΠšΠΎΡ€ΠΏΠΎΡ€Π°Ρ‚ΠΈΠ²Π½ΠΈ ΡΡŠΠΎΠ±Ρ€Π°ΠΆΠ΅Π½ΠΈΡ

Бигурност

ΠŸΡ€ΠΎΠΈΠ·Π²ΠΎΠ΄ΠΈΡ‚Π΅Π»Π½ΠΎΡΡ‚

ΠœΠ°Ρ‰Π°Π±ΠΈΡ€ΡƒΠ΅ΠΌΠΎΡΡ‚

πŸš€ ΠŸΡ€ΠΎΠΈΠ·Π²ΠΎΠ΄ΡΡ‚Π²Π΅Π½ΠΎ внСдряванС

Π“ΠΎΡ‚ΠΎΠ²ΠΈ Π»ΠΈ стС Π΄Π° ΠΈΠ·Π³Ρ€Π°Π΄ΠΈΡ‚Π΅ ΠΊΠΎΡ€ΠΏΠΎΡ€Π°Ρ‚ΠΈΠ²Π½ΠΈ ΠΈΠ½Ρ‚Π΅Π»ΠΈΠ³Π΅Π½Ρ‚Π½ΠΈ Π°Π³Π΅Π½Ρ‚ΠΈ с .NET? НСка създадСм Π½Π΅Ρ‰ΠΎ стабилно! 🏒✨

πŸš€ Начало

ΠŸΡ€Π΅Π΄Π²Π°Ρ€ΠΈΡ‚Π΅Π»Π½ΠΈ изисквания

НСобходими ΠΏΡ€ΠΎΠΌΠ΅Π½Π»ΠΈΠ²ΠΈ Π½Π° срСдата

# 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€Π΅Π½ ΠΊΠΎΠ΄

Π—Π° Π΄Π° стартиратС примСрния ΠΊΠΎΠ΄,

# zsh/bash
chmod +x ./03-dotnet-agent-framework.cs
./03-dotnet-agent-framework.cs

Или използвайки dotnet CLI:

dotnet run ./03-dotnet-agent-framework.cs

Π’ΠΈΠΆΡ‚Π΅ 03-dotnet-agent-framework.cs Π·Π° пълния ΠΊΠΎΠ΄.

#!/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);
}

ΠžΡ‚ΠΊΠ°Π· ΠΎΡ‚ отговорност:
Π’ΠΎΠ·ΠΈ Π΄ΠΎΠΊΡƒΠΌΠ΅Π½Ρ‚ Π΅ ΠΏΡ€Π΅Π²Π΅Π΄Π΅Π½ с ΠΏΠΎΠΌΠΎΡ‰Ρ‚Π° Π½Π° AI услуга Π·Π° ΠΏΡ€Π΅Π²ΠΎΠ΄ Co-op Translator. Π’ΡŠΠΏΡ€Π΅ΠΊΠΈ Ρ‡Π΅ сС стрСмим към точност, моля, ΠΈΠΌΠ°ΠΉΡ‚Π΅ ΠΏΡ€Π΅Π΄Π²ΠΈΠ΄, Ρ‡Π΅ Π°Π²Ρ‚ΠΎΠΌΠ°Ρ‚ΠΈΠ·ΠΈΡ€Π°Π½ΠΈΡ‚Π΅ ΠΏΡ€Π΅Π²ΠΎΠ΄ΠΈ ΠΌΠΎΠΆΠ΅ Π΄Π° ΡΡŠΠ΄ΡŠΡ€ΠΆΠ°Ρ‚ Π³Ρ€Π΅ΡˆΠΊΠΈ ΠΈΠ»ΠΈ нСточности. ΠžΡ€ΠΈΠ³ΠΈΠ½Π°Π»Π½ΠΈΡΡ‚ Π΄ΠΎΠΊΡƒΠΌΠ΅Π½Ρ‚ Π½Π° нСговия Ρ€ΠΎΠ΄Π΅Π½ Π΅Π·ΠΈΠΊ трябва Π΄Π° сС счита Π·Π° Π°Π²Ρ‚ΠΎΡ€ΠΈΡ‚Π΅Ρ‚Π΅Π½ ΠΈΠ·Ρ‚ΠΎΡ‡Π½ΠΈΠΊ. Π—Π° ΠΊΡ€ΠΈΡ‚ΠΈΡ‡Π½Π° информация сС ΠΏΡ€Π΅ΠΏΠΎΡ€ΡŠΡ‡Π²Π° профСсионалСн Ρ‡ΠΎΠ²Π΅ΡˆΠΊΠΈ ΠΏΡ€Π΅Π²ΠΎΠ΄. НС носим отговорност Π·Π° нСдоразумСния ΠΈΠ»ΠΈ ΠΏΠΎΠ³Ρ€Π΅ΡˆΠ½ΠΈ ΠΈΠ½Ρ‚Π΅Ρ€ΠΏΡ€Π΅Ρ‚Π°Ρ†ΠΈΠΈ, ΠΏΡ€ΠΎΠΈΠ·Ρ‚ΠΈΡ‡Π°Ρ‰ΠΈ ΠΎΡ‚ ΠΈΠ·ΠΏΠΎΠ»Π·Π²Π°Π½Π΅Ρ‚ΠΎ Π½Π° Ρ‚ΠΎΠ·ΠΈ ΠΏΡ€Π΅Π²ΠΎΠ΄.