Dev runs 300 Claude Code agents in parallel with a verification layer

ctjlewis · x · 2026-10-19

A 23-year-old dev from China ran 300 Claude Code agents in parallel, hooked to a verification layer so none could hallucinate. His live dashboard shows 300 agents writing and checking simultaneously, every output verified against source in 100 ms, three passes over 100 company profiles ending with zero errors, and everything dumped into an Obsidian vault.

The trick is the split: one model does the work, a cheaper one decides whether the claim is true, and the loop runs until everything checks out.

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