A distributed systems researcher used Claude Code (Opus model) to build BeatPaxos, an interactive browser game where players try to violate Paxos safety by killing nodes and inducing delays. The game implements single-synod Paxos with p1a/p1b/p2a/p2b/p3 messages across three nodes. Claude got the safety-critical logic right on the first attempt, though timing and leader timeout bugs required iterative fixes. The post includes the original prompt and notes a community member extended the idea to build BeatRaft using the same approach.

5m read timeFrom muratbuffalo.blogspot.com
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