Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type @ followed by the MCP server name and your instructions, e.g., "@PieterPost MCP prepare a birthday card to Dad and get a price quote"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
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.
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
Related MCP server: SolMail MCP
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.
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/"
}For questions, contact pieter@pieterpost.com.
This server cannot be installed
Unclaimed servers have limited discoverability.
If you are the server author, to access and configure the admin panel.
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