Towards Secure Agent Skills: Architecture, Threat Taxonomy, and Security Analysis

arXiv:2604.02837v1 Announce Type: cross Abstract: Agent Skills is an emerging open standard that defines a modular, filesystem-based packaging format enabling LLM-based agents to acquire domain-specific expertise on demand. Despite rapid adoption across multiple agentic platforms and the emergence of large community marketplaces, the security properties of Agent Skills have not been systematically studied. This paper presents the first comprehensive security analysis of the Agent Skills framewor