SkillGuard

What it does

We built a zero-config npm/pip scanner that audits AI agent skills before installation. We expose security gaps by diffing declared permissions against real-world behavior across 10 rule categories. Unlike single-file scanners, we catch combined multi-file risks: privilege chaining, prompt injections, undeclared network calls, and credential harvesting. SkillGuard is open-source, self-hosted, and licensed with Apache 2.0.

Security scanner for third-party AI agent-skill files (SKILL.md manifests, hooks, bundled scripts). CLI, library, MCP server, and GitHub Action, all reading the same 10 rule packs, including cross-skill privilege chaining and prompt-injection detection. Zero-auth, zero-config npx or pip scan. - RudrenduPaul/skillguard

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