Practical notes on human-reviewed AI agents.

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Facio's Anti-Abuse Discipline: How AI Agent Systems Detect and Stop Prompt Injection, Loops, and Exfiltration Before Damage Is Done

AI agents in production face a new category of abuse that traditional systems weren't built for. Prompt injection turns instructions into weapons. Cost-exhaustion loops burn through thousands of dollars in minutes. Data exfiltration smuggles customer data out through tool calls. Token-budget attacks exploit context windows. Without anti-abuse discipline, AI agents become unwitting accomplices. Facio's anti-abuse discipline gives the runtime the structural defenses: input sanitization, loop detection, exfiltration monitoring, and circuit-breaker isolation.