5 agent failure modes mapped against LangSmith, Langfuse and Phoenix: what each catches (and doesn't)
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A common one: an agent picks the wrong tool halfway through a chain because the input format drifted by a field or two, and the trace still shows every step green, all "succeeded." The run ends up in the wrong place but nothing in the trace looks broken. A lot of agent failures sit here: the trace…
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- 2026-08-26 13:48 · r/AI_Agents
5 agent failure modes mapped against LangSmith, Langfuse and Phoenix: what each catches (and doesn't)