MCP server for Postcard.bot — let AI agents send real printed postcards. Works with Claude, Cursor, Windsurf, and any MCP client.

Retrieve and manage your ePost/Klara snail mail with ease.

MCP server for sending physical mail with Solana cryptocurrency. Colosseum Agent Hackathon submission.

Code examples for the Postcard.bot REST API — send real printed postcards from Node.js, Python, and cURL

Send physical mail from an AI agent. An open MCP server for agent-payable mail - print and post real letters and postcards via x402, with tool schemas for Claude, LangChain, and OpenAI.

Open-source, provider-agnostic physical mail for AI agents — MCP server, self-host gateway, Click2Mail/Lob adapters, safe multi-provider failover

PostGrid is a physical mail automation platform that provides REST APIs for sending printed letters, postcards, checks, and self-mailers at scale. It offers a Print & Mail API that enables developers to programmatically trigger and manage direct mail campaigns with full personalization and tracking support.

Stannp is a direct mail platform that enables businesses to send physical postcards and letters programmatically via a REST API. The platform lets developers create campaigns, upload recipient lists, trigger individual mail pieces in real time, and track print and delivery status through webhooks and event endpoints.