> ## Documentation Index
> Fetch the complete documentation index at: https://praison.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# validate • AI Agent SDK

> validate: Validate a skill directory.

# validate

Function

> This function is defined in the [**validator**](https://praison.ai/docs/sdk/reference/praisonaiagents/modules/validator.md) module.

Validate a skill directory.

## Signature

```python theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
def validate(skill_dir: Path, strict: bool) -> List[str]
```

## Parameters

**skill\_dir** `Path` *required*

Path to the skill directory

**strict** `bool` (default: False)

If True, unknown frontmatter fields produce errors.

### Returns

**Returns** `List[str]`

List of validation error messages. Empty list means valid.

## Uses

* `Path`
* `skill_dir.exists`
* `skill_dir.is_dir`
* `find_skill_md`
* `skill_md.read_text`
* `parse_frontmatter`
* `validate_metadata`

## Used By

* [`validate_tool`](../functions/validate_tool)
* [`tool`](../functions/tool)

## Source

> [card] [View on GitHub](https://github.com/MervinPraison/PraisonAI/blob/main/src/praisonai-agents/praisonaiagents/skills/validator.py#L171)
>
> `praisonaiagents/skills/validator.py` at line 171


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