AI Glossary

Guardrail

A rule or check around a model that blocks or corrects unwanted input or output, such as a filter for unsafe content or a limit on which actions an agent may take.

In the Machine: Every place a seat's work can be refused before it lands.

See also

  • AI safety

    The work of keeping AI systems from causing harm, whether through malicious use, malfunctions or wider risks to society.

  • Human in the loop

    A setup in which a person reviews, corrects or approves an AI system's work at chosen points, during its training or before its output takes effect.

  • Prompt injection

    An attack in which input makes a model behave in ways its builders did not intend, either typed directly or hidden in content the model reads, such as a web page, an email or a document.

  • Authority matrix

    The committed table of every seat's autonomous and gated lanes, enforced by the workflows that run the org rather than by instructions to the model.

Source: Rebedea et al., NeMo Guardrails: A Toolkit for Controllable and Safe LLM Applications with Programmable Rails (2023) (opens in a new tab)

Cite this term.

CC BY 4.0, attribution required.

This term

Orbyt Labs, Guardrail (AI Glossary), Oct 18, 2026. https://www.orbytlabs.ai/orbyt-collective/glossary/guardrail

The dataset (JSON)

Orbyt Labs Glossaries (Oct 19, 2026), https://www.orbytlabs.ai/glossary#dataset

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