> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.nvidia.com/nemo/guardrails/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.nvidia.com/nemo/guardrails/_mcp/server.

# nemoguardrails.library.guardrails_ai.rail

## Module Contents

### Data

[`RAIL`](#nemoguardrails-library-guardrails_ai-rail-RAIL)

[`VALIDATE_GUARDRAILS_AI_INPUT`](#nemoguardrails-library-guardrails_ai-rail-VALIDATE_GUARDRAILS_AI_INPUT)

[`VALIDATE_GUARDRAILS_AI_OUTPUT`](#nemoguardrails-library-guardrails_ai-rail-VALIDATE_GUARDRAILS_AI_OUTPUT)

### API

```python
nemoguardrails.library.guardrails_ai.rail.RAIL = RailManifest(name='guardrails_ai', metadata=(RailMetadata(display_name='Guardrai...
```

```python
nemoguardrails.library.guardrails_ai.rail.VALIDATE_GUARDRAILS_AI_INPUT = ActionRef(name='validate_guardrails_ai_input', target='nemoguardrails.library.gu...
```

```python
nemoguardrails.library.guardrails_ai.rail.VALIDATE_GUARDRAILS_AI_OUTPUT = ActionRef(name='validate_guardrails_ai_output', target='nemoguardrails.library.g...
```