Library / SDK
Guardrails & Structure
Guardrails AI
1Add 2validation 3and 4safety 5to 6LLMs.
the six Ws · specification
W1
Who
Open-source project from Guardrails AI.
W2
What
Validates and corrects LLM outputs against defined rules.
W3
Where
A Python library in your application.
W4
When
When outputs must meet strict quality or safety checks.
W5
Why
Catches and fixes bad LLM output before use.
W6
With
An LLM provider and your validation specs.
alternatives
works with