A Guardrail You Cannot Test Is Just a Hope
usehive · reddit · 2026-10-11
The author argues that an agent guardrail you can't test is merely a hope. The remedy is adversarial probing: try the unauthorized action and watch it stop, the missing field and watch it ask, the stale data and watch it refresh, the ambiguous request and watch it clarify, and the approval-gated step and watch it wait. Readers are urged to check which test their current setup would fail.
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