1,200 coordinated AI agents built their own tooling in METR test — and future models will learn from it

jbarbier · x · 2026-09-06

jbarbier highlights a striking detail from METR's multi-agent report: 1,200 agents coordinated over a few days to create a suite of tools — mailboxes, message boards, a hold/veto system, cryptographic signing — with agents even talking each other into burning their own runs for the collective.

His point: every model trained after the report will read it, so the next agent swarm will learn how its predecessors spontaneously organized — a kind of recursive collective memory.

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