Official mailbox.bot MCP server for AI agents. Send letters, certified mail, postcards, and receive scanned inbound physical mail with sandbox keys, approval controls, tracking, and webhooks.
An MCP server that provides AI agents with a persistent, agent-native email mailbox for sending, receiving, and managing emails through bounded-context retrieval, idempotent operations, and explicit acknowledgement.
An MCP server that gives AI agents permission-gated, audit-logged access to private email providers (Proton Mail via Bridge and plain IMAP), running locally with OAuth-based authentication and human-controlled escalation for destructive operations.