"Validate all external inputs at system boundaries. Trust nothing from users, API…" — Agent Rules

Validate all external inputs at system boundaries. Trust nothing from users, APIs, or files.

Universal

Architecture

#978d90529a6e3397First seen Mar 2, 2026

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Saves time by specifying all three untrusted input sources (users, APIs, files) as requiring validation at system boundaries.

Helpful6/10

Saves the agent time discovering this