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Yanfei Chen

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#artificial intelligence Preprint Sep 2026

RRSI: Regularized Recursive Self-Improvement of Agent Harnesses

An LLM agent's capability is largely magnified by its harness, namely the prompts, control flow, tooling, memory, and context management surrounding the frozen backbone model. Recent methods increasingly automate this process by iteratively proposing and selecting component-wise edits of an agent harness, practically e...

Peng Xia, Ru-Jun Han, Zifeng Wang et al. · 3 citations · ⚡1
Jul 2026

FinanceHarness: Autonomous Financial Deep Research Framework

FinanceHarness is presented, a harness that runs finance-oriented tools and practitioner-guided workflows, automating financial deep research end to end: environment and data construction, the agent execution loop, and reward modeling, and FinanceGym, comprising thesis-driven research questions and rubrics that combine...

Yijia Xiao, Ru-Jun Han, Yan-Fei Chen et al. · 1 citation
Preprint Aug 2026

EnvHarness: Awakening Static Worlds for Agent Learning

Environment Harness is proposed, a programmable layer of plug-in components that wraps a static environment to reshape its behavior without modifying the underlying logic, enabling continuous, targeted co-evolution of the policy and its environment.

Chengsong Huang, Zifeng Wang, Rujun Han et al. · 7 citations

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