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Claude plugin validation tool finds security gaps in official verification process

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A developer has created frontmatter-guard v0.2, a security auditing tool for Claude Code plugins. The tool was developed after discovering that the official Claude plugin validator passes plugins with security issues without strict mode. It identifies several classes of vulnerabilities including plugins using official-sounding names without authorization, undeclared hook scripts, and hidden capabilities. The tool provides a secondary verification layer beyond the official validation process. Developers are advised to use this additional check when installing plugins from non-official sources.

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