Distinguishing Model Errors From Tool Errors in Agent Traces
Trace spans reveal which layer failed, separating model bugs from tool configuration problems.
Liesel Vanthorpe
Contributing Editor
Liesel began her career as a data journalist investigsting algorithmic accountability and has spent over a decade learning to read system logs, execution traces, and model outputs the way others read financial statements. She leads Trace Catalog's coverage of trace analysis, with a particular interest in making complex runtime data legible to broader engineering audiences.
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Trace spans reveal which layer failed, separating model bugs from tool configuration problems.