How to keep your AI agents grounded
Multiple agents can talk each other into nonsense: one's hallucination becomes another's premise. You keep them grounded with three things working together, corroboration so no claim becomes truth unchecked, observability so drift is visible early, and a human who owns the consequential decisions.
How a fleet drifts
The failure mode unique to multi-agent systems is shared drift. One agent produces a hallucination, another treats it as a premise, a third builds on that, and the whole group eases off course together, sounding perfectly confident the whole way. Because they share a memory, an error does not stay where it started. It propagates.
The danger is rarely dramatic. It is quiet, collective wrongness that nobody notices until it is expensive to unwind.
Three things that hold the line
You do not fix this with a filter at the end. You fix it with how the system is built. Corroboration means no single agent’s claim becomes established truth without independent agreement, so a hallucination cannot promote itself. Observability means drift is visible while it is still small. And a human owning the consequential decisions is the real safeguard: an agent can be wrong, but it cannot act on being wrong if the calls that matter run through a person.
Grounded agents are not agents that never err. They are agents embedded in a system where error surfaces, self-certification is impossible, and someone is accountable.
Frequently asked
How do AI agents drift off course?
In a shared setup, one agent's wrong conclusion becomes the next agent's starting assumption. A stale fact gets treated as current. Because they share context, an error spreads and compounds instead of staying contained.
Can you guarantee agents never go wrong?
No, and anyone who promises that is selling something. What you can build is a system where being wrong is visible, no agent can self-certify a claim into truth, and a human stays in charge of the calls that matter.
Related
Take yourself out of the loop.
Let your agents do the lifting while you keep the judgment.
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