rly is an open-source CLI tool that provides safe email handling for AI agents, supporting Model Context Protocol (MCP) and transactional mailboxes. It is designed for developers building AI agent frameworks that require secure email integration.
rly is a CLI tools & terminal product. It focuses on enabling AI agents to safely send and receive emails via a CLI tool with MCP support. rly is an open-source project aimed at AI developers and agent framework builders. The project is open source (MIT). rly is available on the command line, and it can be self-hosted.
rly first shipped in 2026. The project is developed in the open on GitHub with 7 commits in the last 90 days. Across PulseGate's embedding index, rly has few near neighbours, marking it as relatively distinct. Among its 4 catalogued features are safe email handling, AI agent integration, and transactional mailbox. It exposes integrations via an MCP server.
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