Data as of Sep 18, 2026 · Based on 3,315,446 AI responses across 10,525 prompts · See how Parse measures this
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mails0 is an open-source email infrastructure and API for agents, providing inboxes, verification-code extraction, search, replies, MCP tooling, and self-hosted operation. It is self-hostable on Cloudflare, MIT-licensed, with per-mailbox API keys, durable storage, and guardrails to ensure isolation and data sovereignty. It offers CLI and SDKs plus MCP integration to build agent workflows for sending/receiving emails, OTP code extraction, and automation, with hosted options and usage-based pricing.
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AI Document Parsing & Extraction APIs →Where mails0 ranks in AI