Chapter 11 of 23 · Level 5 · Building Single AgentsAgent Architectures & ReasoningThe moving parts of an agent, ReAct, plan-and-execute, and self-reflection loops.11.1Building a Single Agent Is a Loop With a GoalA single agent is not clever wiring. It is one loop that plans, acts, remembers, and corrects toward a goal. Its quality is decided by one thing: what you let into the context window.8 min read→