> 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.hf_classifier.rail

## Module Contents

### Data

[`HF_CLASSIFIER_CHECK_INPUT`](#nemoguardrails-library-hf_classifier-rail-HF_CLASSIFIER_CHECK_INPUT)

[`HF_CLASSIFIER_CHECK_OUTPUT`](#nemoguardrails-library-hf_classifier-rail-HF_CLASSIFIER_CHECK_OUTPUT)

[`HF_CLASSIFIER_CHECK_RETRIEVAL`](#nemoguardrails-library-hf_classifier-rail-HF_CLASSIFIER_CHECK_RETRIEVAL)

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

### API

```python
nemoguardrails.library.hf_classifier.rail.HF_CLASSIFIER_CHECK_INPUT = ActionRef(name='hf_classifier_check_input', target='nemoguardrails.library.hf_cl...
```

```python
nemoguardrails.library.hf_classifier.rail.HF_CLASSIFIER_CHECK_OUTPUT = ActionRef(name='hf_classifier_check_output', target='nemoguardrails.library.hf_c...
```

```python
nemoguardrails.library.hf_classifier.rail.HF_CLASSIFIER_CHECK_RETRIEVAL = ActionRef(name='hf_classifier_check_retrieval', target='nemoguardrails.library.h...
```

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