AI Agents & Tool Use

Build agents you can actually understand: tool loops, research desks, and LLM-powered NPCs inside fair game engines.

2 challenges · All topics

• #005 The Lighthouse Keeper: A Text Adventure with an Agent NPC
  2026-10-15 · Intermediate · Text adventures with agents
  Build a small parser text adventure set in a storm-battered lighthouse where the one character you meet, the old keeper, is an LLM agent. The twist: the game engine owns the truth. The keeper can only…
• #002 Tool-Using Research Desk Agent
  2026-10-14 · Intermediate · AI agents / tool use
  A minimal CLI agent that answers questions by deciding which of three local tools to call (calculator, file search, a notes store), looping until it has an answer. The point is a clean, inspectable ag…