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Author

Qi Cai

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Preprint Sep 2026

A Theory of Reliable Self-Evolution for Agent Harnesses

This work provides a theoretically grounded condition under which a self-evolved harness can be reliably adopted and proposes a validation rule to make the evolved system satisfy the reliable adoption condition with theoretical guarantees.

Qi Cai, Yong-Gang Zhang, Jun Nie et al. · 2 citations · ⚡2
#machine learning Preprint Aug 2026

EvolveNet: Collaborative Harness Evolution for Agent Self-Improvement

EvolveNet is introduced, a paradigm of collaborative harness evolution that moves experience extraction to the data and introduces scope-typed, evidence-guided program aggregation, which improves the shared harness in all five settings.

Jun Nie, Yong-Gang Zhang, Qi Cai et al. · 2 citations
Jul 2026

TTHE: Test-Time Harness Evolution

Test-Time Harness Evolution is introduced, which treats the executable harness as the state of test-time adaptation for LLM agents as evolution over executable control programs and identifies execution-derived proxy reliability as a central challenge for robust unsupervised agent improvement.

Jun Nie, Yonggang Zhang, Jun Song et al. · 3 citations

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