The agent failure that ships: fabricated numbers that look right — and the guardrail that catches them
bgoncalves · x · 2026-10-12
The most dangerous agent failure mode is fabricated numbers — an agent reporting a 12% revenue drop that never existed, looking plausible and shipping into decisions. The fix is a dedicated guardrail that catches never-computed figures; the author will build the full validation harness live on Oct 31.
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