fastmcp/docs/python-sdk/fastmcp-settings.mdx
2026-08-06 19:56:40 -04:00

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---
title: settings
sidebarTitle: settings
---
# `fastmcp.settings`
## Classes
### `Settings` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/fastmcp_slim/fastmcp/settings.py#L34" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
FastMCP settings.
**Methods:**
#### `get_setting` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/fastmcp_slim/fastmcp/settings.py#L46" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
get_setting(self, attr: str) -> Any
```
Get a setting. If the setting contains one or more `__`, it will be
treated as a nested setting.
#### `set_setting` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/fastmcp_slim/fastmcp/settings.py#L59" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
set_setting(self, attr: str, value: Any) -> None
```
Set a setting. If the setting contains one or more `__`, it will be
treated as a nested setting.
#### `normalize_log_level` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/fastmcp_slim/fastmcp/settings.py#L81" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
normalize_log_level(cls, v)
```