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Guardrails AI

by Guardrails AI (Harvey)

Check AI answers before they move on

Python framework with validators that check AI inputs and outputs and enforce structured responses. Part of Harvey since September 2026.

Open SourceTrust 100Some practice neededPython · Terminal
Get it via OROBO

Checked sourcegithub.com/guardrails-ai/guardrailsLicence: Apache-2.0checked 3 hours agoGitHub lists a SHA-256 checksum for every release file.

Have it set up for you instead:Request setup by OROBOOr start with the AI Compass: a written assessment at a fixed price of €490 (businesses only).

How it runs for you

Simulation starting …

Illustration, not a real test run

What you get

What you get

  1. 01Validates format, tone and personal data
  2. 02Enforces structured answers such as JSON
  3. 03Many ready-made validators in the Guardrails Hub

For you if …

  • Developers who process AI output further
  • Apps with fixed answer formats

Pick something else if …

  • As your only defense against prompt injection

How to start

In three steps.

What you need
  • Python
  • An LLM, local or via API
  1. 1Install with pip install guardrails-ai
  2. 2Add validators from the Guardrails Hub
  3. 3Wrap your model call in a guard

Part of these packages

Guardrails AI works together with other software.

Use AI safely

Your team uses AI — with far less risk of data leaks or hijacked chatbots.

5 stepsone day for the basicsMedium

Safety check

7 of 7 checks passed

No known malicious patterns in the install instructionsactively maintainedLicence: Apache-2.0

Trust 100
Who is behind it?
  • Taken by OROBO from the official source. The maker has not joined OROBO yet.
Is the code clean?
  • Source code publicly visible
  • Licence: Apache-2.0
  • No known malicious patterns in the install instructions
Is it maintained?
  • Website reachable
  • Updated today
Technical details & what we don’t check
  • Website loads fast
  • Website protection settings: 5 of 6 (website only, not the software)HSTS, CSP, nosniff, Frame-Schutz, Referrer-Policy

Claims about protection come from the maker. The trust score checks public signals, not effectiveness.

We automatically check origin, code patterns, licence, maintenance and reachability — again every day. We do not check whether the software fits your purpose, how it handles your data, or whether it works without errors. Last checked 3 hours ago. How OROBO checks

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Goes well with

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Facts

AreaMake it safe
PriceOpen Source
LicenceApache-2.0
Runs onPython, Terminal
Popular with developers★ 7,585 GitHub
Last updated05 Nov 2026
Sourceguardrails-ai/guardrails ↗
I am the maker