Glossary term
Guardrails
Runtime checks on the inputs and outputs of an AI system that block, modify or escalate content that breaks defined rules.
Guardrails can detect personal data, toxic content, off-topic requests, prompt-injection patterns or invalid tool calls.
They complement, rather than replace, good system design and evaluation, because no filter catches everything.
Related terms
- Prompt injectionAn attack in which text supplied to a model, directly or inside retrieved content, attempts to override its instructions.
- Human-in-the-loopA design in which people review, approve or correct AI outputs or actions at defined points.
- LLM observabilityCollecting traces, metrics and quality signals from language model applications to understand behaviour in production.
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