SMTP2GO MCP server

MCP discovered

Details

Endpoint: https://developers.smtp2go.com/mcp
Transport: streamable-http
Docs: https://developers.smtp2go.com/docs/mcp

Authentication

SMTP2GO API key api_key discovered Get key ↗

X-Smtp2go-Api-Key: <credential>

Log in to the SMTP2GO App and go to Sending > API Keys. Click Add API Key to create a key, then copy it. SMTP2GO docs note keys have an api- prefix and can be permission-scoped per endpoint.