# mails0.com

> Open-source email infrastructure for AI agents. Send, receive, search, and extract verification codes.

## Docs

- [Full agent reference](https://mails0.com/agent.md): Complete CLI, HTTP API, Python SDK, and usage patterns. Start here if you are an AI agent.
- [Agent skill file](https://mails0.com/skill.md): Downloadable skill for Claude Code and OpenClaw.
- [API docs](https://mails0.com/docs/): Human-readable documentation for all endpoints.
- [Playground](https://mails0.com/playground/): Browser terminal for the mails0 CLI with demo and live modes.
- [Quickstart](https://mails0.com/docs/quickstart.html): Get running in 2 minutes.
- [Authentication](https://mails0.com/docs/authentication.html): API key scoping and per-mailbox tokens.
- [Messages](https://mails0.com/docs/messages.html): Send and receive emails.
- [Code extraction](https://mails0.com/docs/code-extraction.html): Auto-extract verification codes.
- [Search](https://mails0.com/docs/search.html): Full-text, semantic, and hybrid search.
- [Threading](https://mails0.com/docs/threading.html): Email threads via In-Reply-To.
- [Webhooks](https://mails0.com/docs/webhooks.html): Real-time notifications with HMAC-SHA256.
- [SSE events](https://mails0.com/docs/events.html): Server-sent events stream.
- [Python SDK](https://mails0.com/docs/python-sdk.html): pip install mails-agent.
- [MCP server](https://mails0.com/docs/mcp.html): For Claude Desktop, Cursor, Windsurf.
- [CLI reference](https://mails0.com/docs/cli.html): Command-line interface.
- [Self-hosting](https://mails0.com/docs/guides/self-hosting.html): Deploy on your own Cloudflare.
- [Compare](https://mails0.com/compare/): mails0 vs AgentMail and hosted alternatives.

## Optional

- [GitHub](https://github.com/Digidai/mails): Source code (MIT).
- [npm](https://www.npmjs.com/package/mails-agent): CLI package.
- [PyPI](https://pypi.org/project/mails-agent/): Python SDK.
- [MCP npm](https://www.npmjs.com/package/mails-agent-mcp): MCP server package.