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MCP-Based Mail Sending Server

MCP-Based Mail Sending Server

MCP-Based Mail Sending Server

MCP server workflow that receives structured mail commands from external agents and executes email delivery via Gmail.

  • eng
  • n8n, Docker, Linux Ubuntu
  • n8n

This workflow implements an MCP (Model Context Protocol) server dedicated to handling mail-sending requests from external agents. It serves as the execution backend for chat- or agent-driven email workflows.

Incoming MCP calls contain structured payloads with fields such as recipient, subject, and message body. The server parses these inputs and forwards them directly to a Gmail integration, where the actual email delivery is performed using the Gmail API.

The workflow is intentionally focused on execution only. It does not perform intent detection, reasoning, or validation logic beyond basic payload handling. All decision-making is expected to happen on the client or agent side before invoking the MCP endpoint.

This setup keeps mail delivery isolated as a dedicated service and allows multiple agents or workflows to reuse the same sending mechanism without duplicating integration logic.