A control or safeguard placed around AI systems to limit harmful or undesired outputs.
"The platform added AI guardrails to block inappropriate language in customer chats."
Just as an office sets rules for what team members can and cannot do, guardrails put boundaries around AI behavior. They can block sensitive topics, enforce safety standards, or ensure outputs align with company policy. Think of them as HR guidelines: they don’t make the team member smarter, but they prevent costly mistakes.