Why Prompt-Based AI Safety Collapses Under Real-World Conditions

Prompt-based guardrails are fundamentally inadequate for securing agentic AI in production—they're merely tokens competing for attention in a vector space, vulnerable to both jailbreaking and degradation as context grows. This architectural weakness necessitates a structural solution like Overseer architecture, which deploys external validators instead of relying on internal guardrails that lose influence as conversations extend.