@chinchillaenterprises/mcp-stripe/src/utils/error-handler.ts

Multi-tenant Stripe MCP server with account management and credential persistence

import { McpError, ErrorCode } from "@modelcontextprotocol/sdk/types.js";
import { z } from "zod";

export function handleError(error: unknown, context: string): never {
  console.error(`Error in ${context}:`, error);

  if (error instanceof McpError) {
    throw error;
  }

  if (error instanceof z.ZodError) {
    throw new McpError(
      ErrorCode.InvalidParams,
      `Invalid parameters: ${error.errors.map(e => `${e.path.join('.')}: ${e.message}`).join(', ')}`
    );
  }

  if (error instanceof Error) {
    // Check for specific Stripe errors
    if ('type' in error) {
      const stripeError = error as any;
      if (stripeError.type === 'StripeAuthenticationError') {
        throw new McpError(
          ErrorCode.InvalidRequest,
          "Invalid Stripe API key. Please check your credentials."
        );
      }
      if (stripeError.type === 'StripeAPIError') {
        throw new McpError(
          ErrorCode.InternalError,
          `Stripe API error: ${stripeError.message}`
        );
      }
      if (stripeError.type === 'StripeInvalidRequestError') {
        throw new McpError(
          ErrorCode.InvalidParams,
          `Invalid request: ${stripeError.message}`
        );
      }
    }
    
    throw new McpError(
      ErrorCode.InternalError,
      `${context} failed: ${error.message}`
    );
  }

  throw new McpError(
    ErrorCode.InternalError,
    `${context} failed with unknown error`
  );
}