50 Agents, One Night in Minecraft, and the Emergence of Bureaucracy

YC Labs ran 50 GPT-6.1 Sol agents in a Minecraft survival world for three hours. They invented a ration ledger, a pseudo-government with written rules, a "sole fertilizer operator" role, and a protocol for named chest withdrawals — and the emergent risk aversion and role fixation turned out to mirror what the same team sees in coding agents.

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