Show HN: Zetteldesk – An MCP server that prints and mails letters

Category: devtools

Tags: mcp, automation, postal-mail, ai-assistant, workflow

Score: 5.0/10 (Innovation: 6, Technical: 4, Documentation: 4, Utility: 5)

Zetteldesk is an MCP server that enables AI assistants to send physical letters, with integrations for automation platforms to handle workflows like overdue invoice reminders. It bridges digital automation with traditional postal mail, offering a novel way to automate physical correspondence.

Target audience: developers and businesses automating physical mail workflows

Repository: https://zetteldesk.com/en

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