MCP Sendmail Server

"""Custom exception classes for the MCP server.""" class MCPError(Exception): """Base exception for MCP-related errors.""" pass class DatabaseError(MCPError): """Database operation errors.""" pass class ValidationError(MCPError): """Input validation errors.""" pass class SecurityError(MCPError): """Security-related errors (SQL injection, etc.).""" pass class ToolExecutionError(MCPError): """Tool execution errors.""" pass