Agent Runs by Fable 5.1 + Claude Code Plays Ultima Online Autonomously for 2+ Hours
autorokk · reddit · 2026-09-09
Reddit user autorokk gave Fable 5.1 (paired with Claude Code) a single open-ended prompt: play Ultima Online however it sees fit — quests, making friends, leveling, earning money — fully autonomously on the UOAlive shard. The agent reportedly kept playing for over 2 hours, showcasing long-horizon autonomous planning in an open-world MMORPG.
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