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LLM agents' performance degrades with larger skill libraries due to skill shadowing

A new research paper from arXiv explores the performance degradation of LLM agents as their skill libraries expand. The study found that as libraries grow, agent performance can drop by as much as 21%, primarily due to "skill shadowing," where agents incorrectly select skills. While context overhead also plays a minor role, the research indicates that the failure in skill selection is the main bottleneck, not the increased context size. AI

影响 Identifies a key limitation in scaling LLM agents, suggesting a need for improved skill selection mechanisms.

排序理由 Academic paper detailing a specific technical challenge in LLM agent development. [lever_c_demoted from research: ic=1 ai=1.0]

在 arXiv cs.AI 阅读 →

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报道来源 [1]

  1. arXiv cs.AI TIER_1 English(EN) · Hongwen Song (Vinson), Song (Vinson), Wei ·

    More Skills, Worse Agents? Skill Shadowing Degrades Performance When Expanding Skill Libraries

    arXiv:2605.24050v1 Announce Type: cross Abstract: Skill libraries allow LLM agents to load task-specific instructions on demand, letting non-expert users solve domain-specific tasks through natural language without knowing which skills exist or how they work. However, performance…