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agent-framework/dotnet
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SergeyMenshykh 7417eeb7e6 .NET: Use IA2AClientFactory to create A2AClient (#5277)
* Refactor A2A extensions to use IA2AClientFactory and add ProtocolSelection sample

- Update A2AAgentCardExtensions to accept IA2AClientFactory instead of A2AClientOptions
- Update A2ACardResolverExtensions to accept IA2AClientFactory
- Update A2AClientExtensions to accept IA2AClientFactory
- Update A2AAgent to use IA2AClientFactory for client creation
- Add A2AAgent_ProtocolSelection sample demonstrating protocol selection
- Add comprehensive unit tests for all changes
- Update README files with new sample reference

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* Reorder params: options before loggerFactory in A2A extensions

Move A2AClientOptions parameter before ILoggerFactory in AsAIAgent
and GetAIAgentAsync extension methods to follow the repo convention
of keeping LoggerFactory and CancellationToken as the last parameters.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
7417eeb7e6 · 2026-04-15 17:29:36 +01:00
History
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2026-04-03 11:27:36 +00:00

Get Started with Microsoft Agent Framework for C# Developers

Quickstart

Basic Agent - .NET

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

var endpoint = Environment.GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT")!;
var deploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYMENT_NAME")!;

var agent = new AzureOpenAIClient(new Uri(endpoint), new AzureCliCredential())
    .GetResponsesClient(deploymentName)
    .AsAIAgent(name: "HaikuBot", instructions: "You are an upbeat assistant that writes beautifully.");

Console.WriteLine(await agent.RunAsync("Write a haiku about Microsoft Agent Framework."));

Examples & Samples

Agent Framework Documentation