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A2A Client Sample

Show how to create an A2A Client with a command line interface which invokes agents using the A2A protocol.

Run the Sample

To run the sample, follow these steps:

  1. Run the A2A client:
    cd A2AClient
    dotnet run
    
  2. Enter your request e.g. "Show me all invoices for Contoso?"

Set Environment Variables

The agent urls are provided as a delimited list of strings

cd dotnet/samples/05-end-to-end/A2AClientServer/A2AClient

$env:OPENAI_CHAT_MODEL_NAME="gpt-5.4-mini"
$env:OPENAI_API_KEY="<Your OPENAI api key>"
$env:AGENT_URLS="http://localhost:5000/policy;http://localhost:5000/invoice;http://localhost:5000/logistics"