backend-mcp/modules/email/manifest.yaml

Generador automático de backends con Node.js, Express, Prisma y módulos configurables. Servidor MCP compatible con npx para agentes IA. Soporta PostgreSQL, MySQL, MongoDB y SQLite.

module:
  name: "email"
  version: "1.0.0"
  description: "Sistema completo de emails con templates, colas y múltiples proveedores"
  category: "communication"
  author: "Backend MCP"
  license: "MIT"

triggers:
  - condition: "user_wants_email"
    value: true
  - condition: "needs_notifications"
    value: true
  - condition: "requires_email_verification"
    value: true
  - condition: "has_password_reset"
    value: true
  - keywords:
    - "email"
    - "correo"
    - "notificaciones"
    - "verificación"
    - "templates"
    - "queue"
    - "nodemailer"
    - "resend"
    - "sendgrid"

entry_points:
  service: "templates/email.service.ts.hbs"
  queue: "templates/queue.service.ts.hbs"
  templates: "templates/html-templates/"
  config: "templates/email.config.ts.hbs"

dependencies:
  required:
    - "database"
  optional:
    - "logging"
    - "auth"

environment_variables:
  required:
    - EMAIL_PROVIDER
  optional:
    - SMTP_HOST
    - SMTP_PORT
    - SMTP_USER
    - SMTP_PASS
    - RESEND_API_KEY
    - SENDGRID_API_KEY
    - EMAIL_FROM
    - EMAIL_FROM_NAME
    - REDIS_URL

features:
  - "multiple-providers"
  - "html-templates"
  - "email-queue"
  - "template-variables"
  - "attachment-support"
  - "email-tracking"
  - "retry-mechanism"
  - "bulk-emails"
  - "email-validation"
  - "unsubscribe-handling"

api_endpoints:
  - "POST /email/send"
  - "POST /email/send-bulk"
  - "GET /email/templates"
  - "POST /email/test"
  - "GET /email/queue/status"

generated_files:
  - "src/email/email.service.ts"
  - "src/email/queue.service.ts"
  - "src/email/email.config.ts"
  - "src/email/templates/verify-email.html"
  - "src/email/templates/reset-password.html"
  - "src/email/templates/welcome.html"
  - "src/email/email.controller.ts"
  - "src/email/email.routes.ts"

integration:
  database_tables:
    - "email_logs"
    - "email_templates"
    - "email_queue"
  auth_integration:
    - "email-verification"
    - "password-reset"
    - "welcome-emails"

providers:
  - name: "nodemailer"
    description: "SMTP tradicional"
    config:
      - "SMTP_HOST"
      - "SMTP_PORT"
      - "SMTP_USER"
      - "SMTP_PASS"
  - name: "resend"
    description: "Resend API moderna"
    config:
      - "RESEND_API_KEY"
  - name: "sendgrid"
    description: "SendGrid para escala"
    config:
      - "SENDGRID_API_KEY"

templates:
  - name: "verify-email"
    description: "Verificación de email"
    variables:
      - "userName"
      - "verificationLink"
      - "companyName"
  - name: "reset-password"
    description: "Reseteo de contraseña"
    variables:
      - "userName"
      - "resetLink"
      - "expirationTime"
  - name: "welcome"
    description: "Bienvenida a nuevos usuarios"
    variables:
      - "userName"
      - "loginLink"
      - "supportEmail"

queue_config:
  default_attempts: 3
  retry_delay: 5000
  max_concurrent: 10
  priority_levels:
    - "high"
    - "normal"
    - "low"

usage_examples:
  - "Email verification for auth"
  - "Password reset notifications"
  - "Welcome emails for new users"
  - "Bulk marketing campaigns"
  - "Transactional notifications"

ai_instructions: |
  Use this module when:
  - User mentions "email", "notifications", "templates", "verification"
  - Auth module is active (for verification emails)
  - Project requires user communication
  
  Always combine with:
  - database module (for email logging)
  - auth module (for verification flows)
  
  Configuration steps:
  1. Choose email provider (nodemailer/resend/sendgrid)
  2. Set appropriate environment variables
  3. Configure email templates
  4. Setup email queue for reliability
  5. Integrate with auth flows

automation:
  scripts:
    - "setup-provider"
    - "test-email"
    - "generate-templates"
    - "queue-monitor"

testing:
  unit_tests:
    - "email.service.test.ts"
    - "queue.service.test.ts"
  integration_tests:
    - "email-flow.test.ts"
  e2e_tests:
    - "email-verification.e2e.test.ts"

performance:
  metrics:
    - "emails_sent_per_minute"
    - "delivery_rate"
    - "bounce_rate"
    - "queue_processing_time"
  optimization:
    - "batch_processing"
    - "connection_pooling"
    - "template_caching"

compatibility:
  node_versions:
    - ">=16.0.0"
  frameworks:
    - "express"
    - "fastify"
    - "nestjs"
  databases:
    - "postgresql"
    - "mysql"
    - "mongodb"

documentation:
  - "README.md"
  - "API.md"
  - "TEMPLATES.md"
  - "PROVIDERS.md"