The Agentic Loop: Three loops in a trench coat

# Summary Autonomous agent systems are built on three interconnected loops rather than a single simplified loop. The **inference loop** manages LLM chat completion calls, maintains conversation history, and routes tool requests; since LLM APIs are stateless, the entire conversation must be resent with each request. Tools are essential to making agents functional, as LLMs alone cannot take real-world actions without external capabilities.