binance-mcp

export class ToolError extends Error { constructor(message: string) { super(message); this.name = "ToolError"; } } // Binance connector throws Axios errors; map them to concise messages. export function toToolError(err: unknown): ToolError { const message = extractMessage(err); return new ToolError(message); } function extractMessage(err: unknown): string { if (!err) { return "Unknown error"; } if (err instanceof ToolError || err instanceof Error) { return err.message; } const maybeAxios = err as { response?: { data?: { msg?: string; code?: number } }; message?: string; }; const code = maybeAxios.response?.data?.code; const msg = maybeAxios.response?.data?.msg ?? maybeAxios.message; if (code || msg) { return code ? `${code}: ${msg ?? "Binance error"}` : msg ?? "Binance error"; } return typeof err === "string" ? err : JSON.stringify(err); }