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Guardrails
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Guardrails

NeMo Guardrails is an open-source toolkit for easily adding programmable guardrails to LLM-based conversational systems.

by NVIDIA-NeMo · GitHub
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agentsgenerative-aiguardrailsPython
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In plain words

Add rules to control how AI chat systems respond to users, ensuring safe and appropriate interactions.

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7.0k6.6k
2026-07-042026-08-31
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📄 About

NeMo Guardrails is an open-source toolkit for easily adding programmable guardrails to LLM-based conversational systems.

Guardrails has 7k stars on GitHub. It has been forked 815 times. Guardrails is written mainly in Python. It has been in active development since 2023. Its main topics are agents, generative-ai, guardrails, llm-safety.

Frequently asked questions

What is Guardrails?

NeMo Guardrails is an open-source toolkit for easily adding programmable guardrails to LLM-based conversational systems.

Is Guardrails open source?

Guardrails is an open-source project.

Is Guardrails free?

Yes. Guardrails is free and open source — you can use, modify and self-host it.

What language is Guardrails written in?

Guardrails is written mainly in Python.

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