$4/mStarting price
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About Hermers

Hermers is a relay engine designed to handle email, calendars, and AI agents through protocol-native connections with zero overhead. It supports multiple protocols including IMAP, SMTP, CalDAV, JMAP, and MCP, enabling integration across email systems, scheduling tools, and AI agent frameworks. The platform operates as a containerized service, providing infrastructure for managing communication and data exchange. It is currently in early access beta with sandbox testing available for developers. The system emphasizes secure, isolated infrastructure with row-level security for all tiers. Users can deploy programmatic mailboxes and access features such as SMTP relays, scheduling APIs, and direct developer support via Telegram or Discord.

Key features

  • IMAP and SMTP support
  • CalDAV and CardDAV integration
  • JMAP and MCP protocol handling
  • Sandbox testing environment
  • Priority gRPC & MCP gateway access
  • Unlimited SMTP relays during beta
  • Telegram/Discord developer support
  • Containerized relay deployment

Use cases

  • Testing and development of email and calendar integrations
  • Building AI agents that require protocol-native communication
  • Scalable email and scheduling infrastructure for startups and enterprises

Pros

  • Supports multiple protocols (IMAP, SMTP, CalDAV, JMAP, MCP)
  • Containerized relay engine with zero overhead
  • Sandbox testing environment for developers
  • Direct developer support via Telegram/Discord
  • Predictable pricing tiers with scalable infrastructure

Cons

  • Currently in alpha/beta phase with limited public access
  • No explicit mention of mobile or desktop client support
  • Enterprise tier requires direct contact for customization

Frequently asked questions about Hermers

What is Hermers?

Hermers is a relay engine designed to handle email, calendars, and AI agents through protocol-native connections with zero overhead. It supports multiple protocols including IMAP, SMTP, CalDAV, JMAP, and MCP, enabling integration across email systems, scheduling tools, and AI agent frameworks.

Who should use Hermers?

Hermers is intended for developers and organizations that require protocol-native relay capabilities for email, calendars, and AI agents. It is particularly useful for those managing communication and data exchange across multiple systems.

How does Hermers work?

Hermers operates as a containerized service, providing infrastructure for managing communication and data exchange. It handles protocols like IMAP, SMTP, CalDAV, JMAP, and MCP, allowing seamless integration and secure data relay.

What protocols does Hermers support?

Hermers supports IMAP, SMTP, CalDAV, CardDAV, JMAP, and MCP protocols, enabling it to integrate with email systems, scheduling tools, and AI agent frameworks.

Is Hermers available for public use?

Hermers is currently in early access beta with sandbox testing available for developers. Users can join a private waitlist to receive workspace parameters as additional sandbox instances become available.

How can I get support for Hermers?

Direct developer support is available via Telegram or Discord. Users can also access documentation, the GitHub repository, and a community Discord server for assistance.

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