Reference · Glossary
Guardrails
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Rules, filters, and checks that **limit what an AI system can say or do** — content policies, tool allowlists, output validation.
#When to use
Customer-facing bots, kids' apps, regulated industries, any system with tools or private data.
#When not to
Guardrails don't replace human review for high-stakes decisions — they reduce risk, not eliminate it.
#Example
Block PII in outputs, refuse tool calls outside an allowlist, run a second model to score toxicity before sending.