What is Guardrails?
Guardrails are the controls that keep an AI system safe and on-topic — input/output validation, content filters, allowed-action limits and schema enforcement. They turn a raw model into a dependable production feature.
Guardrails sit around the model: validating that outputs match a required format, blocking unsafe or off-scope requests, and constraining what tools an agent may call. They are essential for trustworthy enterprise AI, alongside grounding (RAG) and human review where stakes are high.