arXiv:2610.37849v1 Announce Type: new Abstract: AI agents that share a secret convention can coordinate through messages that look innocent, so a monitor that reads only the messages can miss them. We propose a behavioural test: a partner that uses a code reacts to the exact wording of a message, whereas an uninvolved agent placed in its seat does not. Partner--Outsider Positive Listening (PoPLi)

So what

What this event means by reading role—not a longer recap.

BuilderIf you run multi-agent systems, log prompts so you can replay them and compute partner-vs-outsider sensitivity as a collusion check.
ResearcherPoPLi separates coded-channel collusion (0.48-0.59) from none (-0.10 to -0.01), but misses incentive-only and meaning-carried codes.

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