Open Source & Tools

Google open-sources Harness2, a recursive agent harnessing framework

Original titleGoogle Open-Sources Harness2, a Recursive Agent Harnessing Framework

Outlet: MarkTechPost
Published: Oct 18, 2026
Importance: 4/5

Summary

Google Research released Harness2, an Apache-2.0 licensed framework that rewrites an agent's harness at test time. One refinement step lifted GLM-5 by 11.5 points on WorkBuddy-Bench without any weight updates.

Original excerpt

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. The post Google Open-Sources Harness2, a Recursive Agent Harnessing Framework appeared first on MarkTechPost.

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