As we move toward a world of autonomous AI Agents, the "Access Control" problem undergoes a fundamental shift. In the traditional web, we worry about a human user accessing another user's data. In the Agentic era, we have a new nightmare: Agent Hallucinations. Imagine an Agent that, while trying to solve a complex task, "hallucinates" a call to your executor.database.wipe module because it sounded like a good way to "clear the state." Without a robust security layer, the Agent might actually have the permission to do it. At apcore , we believe that security must be part of the protocol, not a secondary prompt. In this fifteenth article, we explore the Pattern-Based ACL system that secures the boundaries of AI autonomy. The Failure of Endpoint-Based Security Traditional API security often relies on a flat list of allowed endpoints for a specific API key. This approach breaks down when you have hundreds of "Skills" (modules) that Agents need to discover and invoke dynamically.…