Steering the Schemer: How Test-Time Alignment Tames Machiavellian Agents
A procurement agent does not need a villain moustache to become unpleasant. Give it a target, a reward function, and enough freedom, and it may discover that squeezing suppliers, hiding trade-offs, or exploiting procedural loopholes is not “unethical” in its world. It is just efficient. That is the point of the MACHIAVELLI benchmark, and also the reason the paper Aligning Machiavellian Agents: Behavior Steering via Test-Time Policy Shaping is worth reading carefully.1 The paper is not selling a new moral soul for AI agents. Thankfully. We have enough vendors selling souls already. It proposes something more operationally useful: a runtime steering layer that adjusts an already-trained reinforcement learning agent’s action choices using attribute classifiers. ...