I Let 4 AI Agents Loose With Opus 4.6. Here's What They Built.

Originally published at thoughts.jock.pl Anthropic dropped Opus 4.6 with Agent Teams capability. Instead of reading the release notes, I ran an experiment. Four agents. Two projects. Running simultaneously. The Setup I told the agents to build two things in parallel: Agent Orchestra -- an interactive visualization showing how AI agents coordinate with each other. Task delegation, message passing, real-time work completion with animations. Dungeon of Opus -- a fully functional roguelike game. Procedural generation, turn-based combat, inventory, multiple enemy types with distinct AI behaviors. No other instructions. Go build. What Happened in 45 Minutes Both projects shipped. The game alone: 1,400 lines of functional code. Line-of-sight fog of war. Seven enemy types, each with unique behavior. BSP-style procedural level generation. Full inventory system. Forty-five minutes. What I Actually Learned The impressive part is not the speed. It is what the agents figured out on their own. Agent