Harness diversity boosts agentic RL generalization across execution configurations

Training reinforcement learning policies across varied harness configurations improves transfer to unseen white-box and black-box harnesses.

Top University
Fei Bai · Huatong Song · Chuan Hao · Ran Tao · Jian Yang · Bryan Dai · +2 more

IQuest Research · Beihang University · Renmin University of China

Research Digest··3 min read
The authors introduce Harness Scaling, a method that trains agentic reinforcement learning policies across multiple execution harness configurations.

The authors factorize the agent harness space into five components: system prompt, tool interface, observation, context management, and workflow.

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