MailKatana exposes an MCP server for tool-based integrations over SSE. The MCP URLs below are protected transport endpoints, not browser-oriented HTML pages. If you open them without Authorization: Bearer YOUR_API_KEY, expect a 401 response by design.

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Base connection details

  • Server URL: https://api.mailkatana.com/mcp
  • Raw SSE endpoint: https://api.mailkatana.com/mcp/sse
  • Authentication: Authorization: Bearer YOUR_API_KEY

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Documented tools in this first release

  • Contacts
  • Events
  • Email templates and transactional send
  • Mailing lists
  • Mailbox listing
This site intentionally excludes registered MCP tools that still return placeholder or coming-soon responses.

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Start here

  1. Follow the MCP quickstart.
  2. Read the authentication details.
  3. Browse the tool reference.