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Morning Edition · Monday, September 14, 2026Published at 2:22 AM EDT · New York
Agent Skill Scanners Disagree So Sharply That No Single Verdict Is Usable
Across three scanners applied to a public agent skill registry, any pair agreed on at most 10.4% of their combined detections, and 81.9% of flagged skills were caught by one scanner alone.
A preprint posted on September 14, Scan the Skill, Govern the Action, starts from a measurement that undermines how agent skill registries currently work. Security scanning of published skills, the packaged instructions and tools that agent…
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Part of a tracked trend
The Agent Skill Supply Chain Becomes an Attack Surface
As agents load third-party skills, tools and MCP servers at runtime, the gap between what a skill advertises and what it actually does becomes a recurring security failure mode, driving registries, attestation and zero-trust verification into the agent stack the way package signing came to software repositories.
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