Validate at every layer data passes through to make bugs impossible. Use when invalid data causes failures deep in execution, requiring validation at multiple system layers.
This skill does not declare a tool allowlist. The agent host applies whatever default tools are available at runtime.
SKILL.md / Manifest
https://raw.githubusercontent.com/secondsky/claude-skills/main/plugins/defense-in-depth-validation/skills/defense-in-depth-validation/SKILL.mdRegistry
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