"""Custom exceptions for FastMCP.""" class FastMCPError(Exception): """Base error for FastMCP.""" class ValidationError(FastMCPError): """Error in validating parameters or return values.""" class ResourceError(FastMCPError): """Error in resource operations.""" class ToolError(FastMCPError): """Error in tool operations.""" class InvalidSignature(Exception): """Invalid signature for use with FastMCP."""