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Guardrails

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NVIDIA-NeMo/Guardrails

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

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6.7k stars768 forksLast push today Python Other

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Maintenance and security

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Maintenance
Very active (0d since push)
As of today
Provenance
Not a fork · Organization account
As of today
Security (OSV)
No criticals
As of today

Public GitHub metadata and optional OSV scans. Signals, not a guarantee. Trust methodology.

Install

pip install Guardrails
PyPI

Similar tools

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Evidence and technical details

Sourced facts, taxonomy, compatibility claims, README excerpt, and machine-readable endpoints.

Overview

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

Capability facts

Deploy
Self-host

Source: dockerfile:Dockerfile · Jul 15, 2026

Docker
Dockerfile present

Source: dockerfile:Dockerfile · Jul 15, 2026

CLI
CLI entrypoint

Source: pyproject.toml:[project.scripts] · Jul 15, 2026

MCP server
No MCP server detected

Source: repo_scan · Jul 15, 2026

Languages
python, javascript

Source: github.language+package.json+pyproject.toml · Jul 15, 2026

Categories

Compatibility

Sourced claims from the README excerpt - not unsourced marketing copy.

Python runtimePython

Source: README excerpt (regex_v1, Jul 15, 2026)

Python 3.10, 3.11, 3.12 or 3.13.
Source link

Tags

README

Requirements

Python 3.10, 3.11, 3.12 or 3.13.


Installation

To install using pip:

> pip install nemoguardrails

For more detailed instructions, see the Installation Guide.


License

The NeMo Guardrails library is licensed under the Apache License, Version 2.0.

For agents

This page has a .md twin and JSON over the API.

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