Agent Communication MCP Server

import { AppError } from '../errors/index.js'; export class ErrorHandler { static toMCPError(error: unknown) { if (error instanceof AppError) { return { code: error.statusCode, message: error.message, data: { errorCode: error.code } }; } // Handle validation errors (from zod) if (error instanceof Error && error.name === 'ZodError') { return { code: 400, message: `Validation error: ${error.message}`, data: { errorCode: 'VALIDATION_ERROR' } }; } // Handle Node.js system errors if (error instanceof Error && 'code' in error) { const nodeError = error as NodeJS.ErrnoException; switch (nodeError.code) { case 'ENOENT': return { code: 404, message: 'File or directory not found', data: { errorCode: 'FILE_NOT_FOUND' } }; case 'EACCES': return { code: 403, message: 'Permission denied', data: { errorCode: 'PERMISSION_DENIED' } }; case 'EEXIST': return { code: 409, message: 'File already exists', data: { errorCode: 'FILE_EXISTS' } }; default: return { code: 500, message: `System error: ${nodeError.message}`, data: { errorCode: 'SYSTEM_ERROR', details: nodeError.code } }; } } // Default error handling return { code: 500, message: error instanceof Error ? error.message : 'Internal server error', data: { errorCode: 'INTERNAL_ERROR' } }; } static logError(error: unknown, context?: string): void { const timestamp = new Date().toISOString(); const errorInfo = { timestamp, context: context || 'unknown', error: error instanceof Error ? { name: error.name, message: error.message, stack: error.stack } : { message: String(error) } }; console.error(JSON.stringify(errorInfo)); } }