Understanding and Debugging Agent Behavior › Glossary

Michael BrenndoerferAugust 8, 20251 min read
AI Agent HandbookAll chapters
Part 12 of 15Observability and Debugging - Peering Inside the Agent
Chapter 34Understanding and Debugging Agent Behavior › Glossary
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Root Cause: The fundamental reason why a problem occurred, as opposed to its symptoms. Finding the root cause means identifying what needs to be fixed so the problem doesn't happen again.

Debugging: The process of finding and fixing problems in a program. For agents, debugging involves using logs to trace through what the agent did and identify where its behavior diverged from what was expected.

Hallucination: When an AI agent generates information that sounds plausible but is incorrect or made up. Hallucinations are particularly problematic because the agent presents false information confidently.

Reproduction: The ability to make a problem happen again consistently. If you can reproduce an issue, you can test whether your attempted fix solves it.