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agent-framework/dotnet
T
Jacob Alber d7c39d72cc .NET: feat: Implement Checkpointing API (#420)
* feat: Implement Checkpointing API

* refactor: Normalzie Namespaces and break out multi-class files

* feat: Support checkpointing in AIAgentHostExecutor

* test: Representation tests

* feat: Add Step-level Tracing and WorkflowEvents

* feat: Add Checkpointing Sample and Smoke Test

* Fixes an issue where StateManager was not properly clearing the incoming queued updates.
* Fixes order of checkpointing and in-step event publication
* Adds import of RunContext state on LoadCheckpoint
* Add re-firing of events for unserviced ExternalRequests on Checkpoint load

* docs: Add documentation to publics

* Also adds documentation to ICheckpointManager which may go public

* refactor: Fix Union Aggregators and add Tests

* fix: Fix issues raised in PR comments and remove dead code
d7c39d72cc · 2025-08-25 23:04:38 +00:00
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Get Started with Microsoft Agent Framework for C# Developers

Run the Minimal Console demo

The Minimal Console demo is a simple console application which shows how to create and run an agent.

Supported Platforms:

  • .Net: net9.0, net8.0, netstandard2.0, net472
  • OS: Windows, macOS, Linux

If you want to use the latest published packages following the instructions here.

1. Configure required environment variables

This samples uses Azure OpenAI by default so you need to set the following environment variable

$env:AZURE_OPENAI_ENDPOINT = "https://<your deployment>.openai.azure.com/"

If you want to use OpenAI

  1. Edit Program.cs and change the following lines:
    AIAgent agent = new AzureOpenAIClient(
      new Uri(Environment.GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT")!),
      new AzureCliCredential())
       .GetChatClient("gpt-4o-mini")
       .CreateAIAgent(
         instructions: "You are a helpful assistant, you can help the user with weather information.",
         tools: [AIFunctionFactory.Create(GetWeather)]);
    
    To this:
    AIAgent agent = new OpenAIClient(Environment.GetEnvironmentVariable("OPENAI_API_KEY")!)
      .GetChatClient("gpt-4o-mini")
      .CreateAIAgent(
        instructions: "You are a helpful assistant, you can help the user with weather information.",
        tools: [AIFunctionFactory.Create(GetWeather)]);
    
  2. Create an environment variable with your OpenAI key
    $env:OPENAI_API_KEY = "sk-..."
    

2. Build the project

cd demos\MinimalConsole
dotnet build

3. Run the demonstration

dotnet run --framework net9.0 --no-build

Sample output:

The weather in Amsterdam is currently cloudy, with a high temperature of 15°C.