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LLMOPS5 MIN READ

Run FMEA on a Tool-Using Agent

Use FMEA to identify and prioritize agent failure modes before granting tool permissions.

A finance agent will create payment tickets from invoice emails. The team needs to decide which controls must exist before production access. FMEA: function -> failure mode -> effect -> cause -> current control -> stronger control The common trap is reviewing only whether the happy-path tool call works. Tool-using agents fail at the boundaries: duplicate actions, sensitive data, malicious attachments, and weak approvals. Function Define the function as "create a draft payment ticket from a verified invoice email." A verb-noun function makes failure modes specific. "Use finance tools" is too broad to analyze. Failure List possible failure modes: duplicate…

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