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Lemon Email

Provides a zero-configuration email API that enables AI agents and applications to programmatically send transactional emails.

About

Lemon Email is an open-source Model Context Protocol (MCP) server designed to simplify email sending for AI agents and applications. It offers a powerful, yet easy-to-use API for sending transactional emails programmatically, eliminating complex setup. Developers can choose to leverage a globally hosted API for instant, zero-config email capabilities or self-host the solution for full customization and control, making it an ideal choice for AI integrations, web applications, and side projects requiring reliable email communication.

Key Features

  • 0 GitHub stars
  • Native integration for AI agents and Claude Desktop via MCP protocol
  • Simple RESTful API endpoint for sending emails
  • Zero-configuration hosted API for instant email sending
  • Open-source and self-hostable with full customization
  • Flexible deployment options for self-hosted instances (e.g., Railway, Vercel, Heroku)

Use Cases

  • Facilitating email communication for side projects like newsletters, contact forms, and event notifications
  • Sending transactional emails in web applications (user onboarding, password resets, order confirmations)
  • Empowering AI agents for automated notifications, customer support, and workflow automation
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