Open MCP Server

export class McpError extends Error { constructor( message: string, public readonly code: string, public readonly details?: unknown ) { super(message); this.name = "McpError"; Object.setPrototypeOf(this, McpError.prototype); } /** * Serialize error to JSON for logging/debugging */ toJSON() { return { name: this.name, message: this.message, code: this.code, details: this.details }; } } export function handleError(error: unknown): string { if (error instanceof McpError) { return `[${error.code}] ${error.message}`; } if (error instanceof Error) { return error.message; } return "An unknown error occurred"; } export function withErrorHandling<T>( fn: () => T, errorMessage: string ): T { try { return fn(); } catch (error) { throw new McpError(errorMessage, "OPERATION_FAILED", error); } }