An agent is a loop: observe, decide, act, repeat. Build a tool-using agent, give it a planner instead of reflexes, then fit the guardrails that keep it honest.
3 units, about 3 hours. Free.
Build an agent that routes requests to tools, refuses what it cannot do, and validates what it passes on.
2Show a reactive agent failing at a wall and replace its reflexes with breadth-first search.
3Detect an agent stuck in a loop, enforce step budgets, and explain why autonomy needs limits fitted in advance.