Coordination tax is real. Benchmarks keep showing that stacking more AI agents can cost 2×–5× more while quality barely moves. The usual failure mode isn't "the models are weak" — it's that handoffs disappear.
When three agents edit the same repo without a shared brief, you get parallel work that nobody can review. Visible task records beat another agent shouting into the void.
What actually helps
- One shared goal — name the output, constraints, and checks before anyone drafts.
- Separate blind spots — a second model is useful when it disagrees for a reason, not when it rubber-stamps the first.
- A human gate — publishing to main stays an explicit approval, not last-write-wins.
What we built
Brainstorm is a BYOK shell for multi-AI discuss → divide tasks → independent verification → export. We do not sell model credits. You bring your own keys. Linux-first. $6/mo or $54/yr.
https://brainstorm.mungwaan.cn
If your multi-agent setup feels noisy, start smaller: make the handoffs visible. The disagreement is the useful part — if you can still see it.
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