logging

fastmcp.utilities.logging

Logging utilities for FastMCP.

Functions

get_logger

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

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

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