AI Agent Skill Managers Are a Supply-Chain Surface Most of Them Don't Guard

Implicator PRO Briefing / Tuesday, June 15 2026

Pro Members Only In five months, three open-source tools turned AI agent skills into a managed package layer, and each crossed 2,000 GitHub stars. The convenience is obvious: edit a skill once, sync it to Claude Code, Codex, Cursor, and a dozen other agents at once. The risk is quieter. A skill is natural-language intent an agent runs with full file, shell, and network access, which makes every one of these managers a supply-chain channel for executable instructions. This briefing compares skillshare, skills-manager, and skills-manage on architecture, maintenance, security, and standard compliance, and shows why only one of them treats the skill file as a threat. New to Implicator PRO? Subscribe for $8/month — new deep dive every Tuesday morning 3am PST.

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