Multi-agent systems: debugging nightmare or real architecture?
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Single agents are manageable. The moment agents start handing work to each other, failures stop being traceable. One bad output becomes the next agent’s trusted input, and the break shows up far from where it started.
If you’ve got a multi-agent system running reliably in production, what made it work? Narrower tool scopes, strict handoff rules, better tracing, fewer agents?
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Real architecture—but only when observability becomes a first-class feature.
The difficult part isn’t launching more agents. It’s knowing which session owns what, what state changed, and when a human should intervene. I work in recommendation systems and architecture, and I see the same pattern in developer tools: coordination needs to be visible, not implicit.