Four low-cost coding agents survive Minecraft for 12 days, with server-log audit of every milestone
Unusual-Spot-5846 · reddit · 2026-11-03
- Independent partial reproduction of a DeepMind preprint: four Gemini 3.8 Flash High agents (Antigravity CLI + Mineflayer) in one vanilla Minecraft 1.20.1 survival world, limited token budget, 54-function skill library (lib.obtain gets an iron pickaxe in 96s from empty inventory).
- Every milestone gets a mechanical evidence level from server logs (A=no commands, B=night skip only, C=server assist, D=teleports/grants, not credited).
- Key result: stone tools → iron → diamonds → obsidian done in 2.4 active hours with zero operator intervention; Nether reached at Level B; stronghold/End/Ender Dragon done via console commands (Level D) and explicitly not credited to the agents.
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