Jev Guardrails for LLMs and Agents

A guardrail has to run on every request, so it has to be fast and cheap. That makes it one of the clearest use cases for Jev: a handful of Noul questions about a response or a tool call, answered in one pass, with a probability you can threshold.

TypeSafe's own docs note that Jev does not treat input as hostile by default and that adversarial text can move its answers, so test these tools against your own edge cases before relying on them.