fastmcp/docs/python-sdk/fastmcp-utilities-logging.mdx
Jeremiah Lowin 9b248a15b3
Update repository references for transfer to prefecthq (#3207)
* Update repository references from jlowin/fastmcp to prefecthq/fastmcp

* Retrigger CI after repo transfer

* chore: Update SDK documentation

* Only run deep triage on bug issues for jlowin

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Co-authored-by: marvin-context-protocol[bot] <225465937+marvin-context-protocol[bot]@users.noreply.github.com>
2026-02-18 10:33:56 -05:00

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---
title: logging
sidebarTitle: logging
---
# `fastmcp.utilities.logging`
Logging utilities for FastMCP.
## Functions
### `get_logger` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/utilities/logging.py#L14" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
get_logger(name: str) -> logging.Logger
```
Get a logger nested under FastMCP namespace.
**Args:**
- `name`: the name of the logger, which will be prefixed with 'FastMCP.'
**Returns:**
- a configured logger instance
### `configure_logging` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/utilities/logging.py#L29" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
configure_logging(level: Literal['DEBUG', 'INFO', 'WARNING', 'ERROR', 'CRITICAL'] | int = 'INFO', logger: logging.Logger | None = None, enable_rich_tracebacks: bool | None = None, **rich_kwargs: Any) -> None
```
Configure logging for FastMCP.
**Args:**
- `logger`: the logger to configure
- `level`: the log level to use
- `rich_kwargs`: the parameters to use for creating RichHandler
### `temporary_log_level` <sup><a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/utilities/logging.py#L111" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a></sup>
```python
temporary_log_level(level: str | None, logger: logging.Logger | None = None, enable_rich_tracebacks: bool | None = None, **rich_kwargs: Any)
```
Context manager to temporarily set log level and restore it afterwards.
**Args:**
- `level`: The temporary log level to set (e.g., "DEBUG", "INFO")
- `logger`: Optional logger to configure (defaults to FastMCP logger)
- `enable_rich_tracebacks`: Whether to enable rich tracebacks
- `**rich_kwargs`: Additional parameters for RichHandler