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Evaluation - Simple Eval

The simplest agent evaluation: create a Foundry agent, run it against test questions, and use Foundry quality evaluators (Relevance, Coherence) to score the responses.

What this sample demonstrates

  • Creating an agent with AIProjectClient.AsAIAgent()
  • Using FoundryEvals with Relevance and Coherence quality evaluators
  • Running evaluation with agent.EvaluateAsync() — runs the agent and evaluates in one call

Prerequisites

  • .NET 10 SDK or later
  • Azure authentication available to DefaultAzureCredential (for local development, run az login)
  • A deployed model in your Azure AI Foundry project

Set the following environment variables:

$env:FOUNDRY_PROJECT_ENDPOINT="https://your-foundry-service.services.ai.azure.com/api/projects/your-foundry-project"
$env:FOUNDRY_MODEL="gpt-4o-mini"

Run the sample

cd dotnet/samples/02-agents/Evaluation
dotnet run --project .\Evaluation_SimpleEval

See also