Output Structure Validator

Software componentSafety & SecuritySafety, Security & Governancearc:OutputStructureValidator

An output guardrail that checks responses against predefined form criteria: JSON or XML well-formedness, schema compliance, length bounds and presence of required elements.

Responsibility. Rejects outputs that violate required format, length or structure.

Also known as: Validate guardrail, Format enforcement, Length constraint

Direct neighbourhood (hover for relationship types)

Relationships

is invoked by dependency

Output Rail Ch9.1

reads dependency

Output Format Specification Ch9.1

Design guidance

SHOULD complement, not replace, content classification: well-formed toxic output still requires content filtering.

Classification

Risks mitigated: Injection via unparseable output in downstream systemsVerbose or rambling responses indicating hallucination

Sources

Ch9.1: T. Nguyen, "Output Filtering and Content Moderation," in Mastering Agentic AI Systems: Guide for the NVIDIA NCP-AAI Exam, 1st ed. 2026, ch. 9.1. ISBN: 9798244538229.
Ref9.04: "Safety Guardrails Implementation for Agent Systems," unpublished reference note (04-Safety-Guardrails-Implementation.md), Mastering Agentic AI Systems: Guide for the NVIDIA NCP-AAI Exam supplementary materials, 2026. unpublished note