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Guardrails: Is It Still Maintained in 2026?

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Guardrails is an open-source Guardrails / LLM Firewall tool from Guardrails AI — Apache-2.0, written in Python, built for Framework for adding structural, type, and quality guardrails to LLM outputs, including input/output validators for security risks like prompt injection and PII leakage. As of 2026-07-13, its repository status is "Active". Stars and last-push date are pulled live from the GitHub API.

Repository snapshot

7,130
GitHub stars
2026-07-10
Last push
v0.10.2
Latest release
Apache-2.0
License
Python
Language
Active
Status

Repo: guardrails-ai/guardrails · Framework for adding structural, type, and quality guardrails to LLM outputs, including input/output validators for security risks like prompt injection and PII leakage · pulled live as of , refreshed weekly

What Guardrails does

Framework for adding structural, type, and quality guardrails to LLM outputs, including input/output validators for security risks like prompt injection and PII leakage Guardrails AI maintains it under the Apache-2.0 license. Commercial vendors covering the same ground are scored, cell by cell, in the OWASP LLM Top 10 coverage matrix.

Install & source

Repository: https://github.com/guardrails-ai/guardrails

Frequently asked questions

Is Guardrails still maintained in 2026?

As of 2026-07-12, Guardrails's repository is flagged "Active". Commits are still landing.

What license is Guardrails under?

Guardrails runs under the Apache-2.0 license, maintained by Guardrails AI.

What is Guardrails used for?

Framework for adding structural, type, and quality guardrails to LLM outputs, including input/output validators for security risks like prompt injection and PII leakage. It sits in the Guardrails / LLM Firewall category.

Last verified . Sources: https://github.com/guardrails-ai/guardrails, Guardrails project documentation. Funding and repo figures are third-party and go stale. Re-verify before you rely on them.
Informational, not professional security advice — verify claims against the maintainer and GitHub before relying on them. Guardrails AI and GitHub do not endorse llmthreat.com. OWASP, MITRE, and the listed vendors and maintainers do not endorse llmthreat.com.