TLDR Tech / InfoSec
Skills Registry Threat Models
AI agent skills registries introduce a new software supply chain that combines traditional package manager risks with novel prompt injection risks. The author highlights several risks, including malicious or compromised registries, poisoned skills, dependency attacks, excessive tool permissions, and semantic manipulation of skill metadata. Some proposed defenses include provenance signing, sandboxing, enforcing the principle of least privilege, and using reputation systems.
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