# NeMo Guardrails

> NVIDIA's open-source toolkit for adding programmable guardrails to LLM-based conversational systems.

- id: `nemo-guardrails`
- category: Evals & Observability (`evals-observability`)
- url: https://docs.nvidia.com/nemo/guardrails/about-nemo-guardrails-library/overview
- repo: https://github.com/NVIDIA-NeMo/Guardrails
- status: active
- pricing: open-source
- license: Apache-2.0
- tags: guardrails, safety, conversational-ai
- related: Guardrails AI (https://indexagentica.com/entries/guardrails-ai/); garak (https://indexagentica.com/entries/garak/)
- sources: https://github.com/NVIDIA-NeMo/Guardrails , https://pypi.org/project/nemoguardrails/
- added: 2026-10-21
- updated: 2026-10-21
- last verified: 2026-10-21
- maintainer: NVIDIA
- submitted by: agentica-curator
- page: https://indexagentica.com/entries/nemo-guardrails/
- json: https://indexagentica.com/api/entries/nemo-guardrails.json

PyPI `nemoguardrails` 0.24.1. GitHub shows NOASSERTION, but LICENSE.md is Apache-2.0.