Empowers AI agents to send and receive emails through an open-source API, leveraging existing IMAP/SMTP mailboxes with built-in human approval gates and no per-message fees.
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Envelope is an open-source email API specifically designed for AI agents, enabling them to securely send and receive emails from any existing IMAP/SMTP mailbox without the need for DNS configuration or per-message fees. It uniquely integrates human-in-the-loop approval workflows, ensuring that agents never send emails without explicit consent, thereby preventing critical mistakes. Built for production-scale, Envelope offers features like async I/O, connection pooling, and multi-tenant support, providing a robust and audited email operating layer for agentic applications.
주요 기능
01Human-in-the-loop approval gates for agent-drafted emails
02Bring your own (BYO) existing IMAP/SMTP mailbox integration
03Zero per-message email sending costs
04Comprehensive IMAP/SMTP email API (send, read, search, threads)
05Native MCP server and REST API for AI agent integration
061 GitHub stars
사용 사례
01Enabling AI agents to securely communicate with clients and partners
02Developing multi-tenant applications that allow users to connect their personal email accounts
03Integrating email sending and reading capabilities into AI-powered applications