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fastmcp.utilities.logging

Logging utilities for FastMCP.

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Functions

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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

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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

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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