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MagicSelector framework optimizes AI agent tool selection with novel decomposition and reranking

Researchers have introduced MagicSelector, a novel framework designed to enhance tool selection for AI agents. This system employs counterfactual task decomposition and progressive reranking to accurately translate user instructions into executable subtasks and retrieve relevant tools, even in out-of-domain scenarios. MagicSelector's key innovations include a preference-guided decomposition mechanism, a self-distillation hard negative mining approach for tool reranking, and a dynamic Top-K strategy for adaptive candidate list truncation. Evaluated on the newly constructed MTDTool benchmark for mobile multi-turn interactions, MagicSelector demonstrated superior performance in tool retrieval accuracy, out-of-domain generalization, and token efficiency compared to existing methods. AI

IMPACT Enhances AI agent capabilities by improving tool retrieval accuracy and efficiency, potentially leading to more sophisticated and reliable agent performance.

RANK_REASON The cluster describes a new research paper detailing a novel framework for AI agent tool selection. [lever_c_demoted from research: ic=1 ai=1.0]

Read on arXiv cs.CL →

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MagicSelector framework optimizes AI agent tool selection with novel decomposition and reranking

COVERAGE [1]

  1. arXiv cs.CL TIER_1 English(EN) · HONOR Agentic Search Team, Zhengzong Chen, Lei Tang, Lijun Liu, Chuandi Jiang, Fan Yang, Keyun Chu, Chu Zhao, Shihao Liu, Minghang Li, Bo Liang, Can Wen, Hailong Wu, Jingnan Ju, Mian Liu, Nengbin Zhang, Peiqiang Wang, Penghe Nie, Qinhui Gu, Sijia Lv, Siq… ·

    MagicSelector: Joint Optimization for Agent Tool Selection via Counterfactual Decomposition and Progressive Reranking

    arXiv:2607.17751v2 Announce Type: cross Abstract: We present MagicSelector, a joint optimization framework integrating Counterfactual task decomposition, Progressive reranking, and Dynamic Top-K, designed to address the fundamental challenges of tool retrieval in agents. MagicSel…