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Harness2

Harness the agent. Then harness its self-improvement.

Launch date · UTC
2026-10-20
Domain
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Domain ending
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Category
Artificial intelligence

About this product

Harness2 from Google Research is a plug-and-play recursive agent harnessing framework that lets LLM agents automatically evolve their execution harnesses (prompts, tools, memory) for open-world tasks—without ground-truth verifiers. Dual recursion: task-level Propose-Probe-Compose refinement + harnessing-level accumulation of reusable experience. Up to +11.5 points on professional benchmarks like WorkBuddy-Bench.

Keywords

AI Agentframeworkrecursive self-improvement