PieterPost MCP

PieterPost MCP is a hosted Model Context Protocol (MCP) server for preparing, pricing, reviewing, paying for, and sending real physical letters and postcards from ChatGPT, Claude, and other compatible AI assistants.

This public repository contains the integration documentation and registry metadata for the hosted PieterPost MCP server.

Server

• MCP server URL: pieterpost.com/mcp/
• Human docs: PieterPost MCP documentation
• Markdown docs: PieterPost MCP documentation in Markdown
• OAuth issuer: https://pieterpost.com/mcp/oauth

What It Does

PieterPost gives MCP clients a safe postal outbox. Agents can draft letters and postcards, quote prices, create review links, create hosted payment links, upload assets, use Mailbook contacts, and check order status.

For normal use, agents should create a PieterPost review or payment link. PieterPost sends the mail only after the user reviews and pays.

Client Configuration

Use this server URL in MCP clients that support remote Streamable HTTP servers:

https://pieterpost.com/mcp/

Example MCP client snippet:

{
  "type": "mcp",
  "name": "PieterPost",
  "server_url": "https://pieterpost.com/mcp/"
}

Docs

• Setup
• OAuth and permissions
• Tools
• Safe sending flow

Contact

For questions, contact pieter@pieterpost.com.