---
title: auth
sidebarTitle: auth
---

# `fastmcp.utilities.auth`


Authentication utility helpers.

## Functions

### `parse_scopes` <sup><a href="https://github.com/jlowin/fastmcp/blob/main/src/fastmcp/utilities/auth.py#L9" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>

```python
parse_scopes(value: Any) -> list[str] | None
```


Parse scopes from environment variables or settings values.

Accepts either a JSON array string, a comma- or space-separated string,
a list of strings, or ``None``. Returns a list of scopes or ``None`` if
no value is provided.