Scaling parallel Claude Code agents: the bottleneck is now human oversight, not the model

tylerjdunn · x · 2026-09-12

A developer describes scaling Claude Code usage from one instance to five running in parallel. Opus 4.5 was a turning point, but the bottleneck quickly shifted: supervising all the agents personally, not model performance, became the limit — slack oversight lets agents undo each other's work. The post asks whether others hit the same wall when running parallel agents (Claude Code and Gas Town).

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