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Behavior Search lets you find production agent behavior by agent, time range, and behavior query, then inspect the sessions, turns, and steps behind it.

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How to use it

  1. Open Behavior Search.
  2. Choose an Agent.
  3. Pick a time range: 1h, 24h, 7d, or All.
  4. Search for the behavior you want to inspect, such as a tool choice, failure mode, or unexpected output.
  5. Click a session in Sessions to open its turns.
  6. Click a turn to inspect its steps.
  7. Click Replay turn when you want to rerun the selected turn.

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How to interpret the results

Sessions are conversations or workflows. A session contains one or more turns, and each turn contains steps such as LLM calls, tool calls, tool results, or other operations. The selected turn shows the ordered trace of what the agent did. Use Open Langfuse Trace when you want to inspect the original trace in Langfuse.

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Next steps