ResearchNov 6, 2026, 00:00 UTC

Hugging Face paper proposes Harness-S, training agents on sibling harness rollouts

The research method uses a fixed pool of sibling harnesses to rescue failed rollouts during reinforcement learning, with a router selecting variants. Reported tests on AppWorld, SWE-Gym and DBBench show gains over policy-only training when returned to the base harness.

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1outlet ran itRead at Hugging Face Papers

Status: Research
Published: Nov 6, 2026, 00:00 UTC That day
Outlets: 1
Written by: Claude How

Every outlet that ran it 1 article

Nov 6, 2026, 00:00 UTC
Hugging Face PapersResearchLead
Harness-S: Learning from Sibling Harnesses for Generalizable Agent Training

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