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The .NET SDK is in public preview and can change before reaching general availability.

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Setup

In your project directory, run the setup script:
It uses your installed coding agent to install the Braintrust SDK, inspect your project, and configure tracing. No coding agent installed? Install and instrument manually.

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Verify tracing

Run your app and make an AI call. A trace will show up in your Braintrust Logs, usually within seconds.
If traces appear in Braintrust, you’ve successfully set up the SDK.
If your traces don’t appear in Braintrust, see Troubleshooting.

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Enable Patterns

Enable Patterns to have Loop find recurring problems and trends in your traces, with evidence and suggested fixes. See the setup guide for details.

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Next steps

Learn more about using the SDK to observe, evaluate, and improve your AI application:
  • Instrument — trace LLM calls and application logic
  • Observe — search and analyze production traces
  • Annotate — label traces and build datasets
  • Evaluate — measure quality and catch regressions
  • Deploy — ship to production with the AI gateway