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PieterPost MCP

Official registry AI and agents

Let AI agents prepare, review, pay for, and send real letters and postcards.

Source code Documentation

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http pieterpost-mcp 'https://pieterpost.com/mcp/setup/'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "pieterpost-mcp": {
            "type": "http",
            "url": "https://pieterpost.com/mcp/setup/"
        }
    }
}

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Contents
  1. PieterPost MCP
  2. Server
  3. What It Does
  4. Client Configuration
  5. Docs
  6. Contact

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

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/setup/

Example MCP client snippet:

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

Docs

Contact

For questions, contact pieter@pieterpost.com.

Frequently asked questions

What is PieterPost MCP?

Let AI agents prepare, review, pay for, and send real letters and postcards.

How do I install PieterPost MCP?

It runs as a remote server. In Claude Code: claude mcp add --transport http pieterpost-mcp 'https://pieterpost.com/mcp/setup/'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does PieterPost MCP need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is PieterPost MCP open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains PieterPost MCP?

It is published by pieterpost-com. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.