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NeMo Guardrails

Open-source Python library for adding programmable guardrails to LLM-based conversational applications

Observability tool by NVIDIA

IndexedLicense unknown★ 7,361
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pip install nemoguardrails

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About

NeMo Guardrails is an open-source Python package for adding programmable guardrails to LLM-based applications. It provides configuration files, Colang flows, built-in guardrails, custom actions and integration APIs, and can block, alter or validate unsafe, off-topic, malicious or policy-violating inputs and model responses.

Use cases: security-scanning

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Fact sheet

Category
Guardrails · open source
Self-host
Yesdocs.nvidia.com
Protocols
mcp

Facts read from the vendor's own pages by claude-haiku-5-5 on Oct 24, 2026; a fact is shown only with the page it came from.

Signals

Stars
7,361
Forks
881
Open issues
156
Last commit
Oct 23, 2026 (5 days ago)
Last release
Sep 16, 2026 (1 month ago)

From GitHub (fetched Oct 24, 2026).

Details

Packages
pypi nemoguardrails
License
License unknown
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

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Cite this page

NeMo Guardrails. Agent Mart. https://agentmart.dev/observability/nemo-guardrails (last updated 2026-10-24)