Mermaid MCP Server

"""Project-specific exception hierarchy. Defines semantic exceptions used throughout the server to communicate validation, access, external service and not-found conditions. """ from __future__ import annotations class MCPDiagramError(Exception): """Base error for the diagram server.""" class ValidationError(MCPDiagramError): """Raised when user input is invalid.""" class AccessDeniedError(MCPDiagramError): """Raised when an operation tries to access data outside allowed scope.""" class ExternalServiceError(MCPDiagramError): """Raised when an external service (GitHub/Kroki) fails.""" class NotFoundError(MCPDiagramError): """Raised when a requested resource is not found."""