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Agents & tools1 min readMarkTechPost

Google Open-Sources Harness2, a Recursive Agent Harnessing Framework

Google Research released Harness2, an Apache-2.0 framework that rewrites an agent's harness at test time. One refinement step lifted GLM-5 by 11.5 points on WorkBuddy-Bench with no weight updates.

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Google Open-Sources Harness2, a Recursive Agent Harnessing Framework
Illustration: Tarasov Code

In brief

  • What: Google Open-Sources Harness2, a Recursive Agent Harnessing Framework
  • When: October 18, 2026 at 11:15
  • Source: MarkTechPost (media)
  • Also reported by: SiliconANGLE AI
  • Topic: Agents & tools

#Google#AI agents#Open source

Prepared by Ilya Tarasov’s Tarasov Code newsroom based on a report by MarkTechPost.

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