PostcardBot/mcp-server

Overview

PostcardBot/mcp-server is a Model Context Protocol server that enables AI agents to send real printed postcards through Postcard.bot. It integrates with any MCP client such as Claude, Cursor, or Windsurf, allowing agents to trigger physical mail delivery programmatically.

Best for

Best for
Developers building AI agents that need to send physical postcards as part of their workflow

Use cases

• Send automated postcards from AI assistants for reminders or greetings
• Trigger physical mail from workflow automation tools
• Enable AI agents to deliver tangible outputs to users

How to use

Install

claude mcp add postcardbot -- npx -y @postcardbot/mcp-server

Tools exposed

• POSTCARDBOT_API_KEY
• POSTCARDBOT_API_URL
• Pay-as-you-go

Tested with

Claude Desktop, Claude Code, Cursor, Windsurf

Example client config

{\n  "mcpServers": {\n    "postcardbot": {\n      "url": "https://postcard.bot/api/mcp"\n    }\n  }\n}

Notes

PostcardBot/mcp-server is a Model Context Protocol server that enables AI agents to send real printed postcards through Postcard.bot. It integrates with any MCP client such as Claude, Cursor, or Windsurf, allowing agents to trigger physical mail delivery programmatically.

4 stars on GitHub. Last updated 2026-03-10. Licensed MIT.

Use cases

• Send automated postcards from AI assistants for reminders or greetings
• Trigger physical mail from workflow automation tools
• Enable AI agents to deliver tangible outputs to users

Pros

• Works with multiple popular MCP clients out of the box
• Provides a real-world physical output from AI interactions
• Simple TypeScript implementation for easy customization

Cons

• Requires a Postcard.bot account and service subscription
• Limited to postcard format only, no letters or packages
• Dependent on the MCP protocol and client compatibility

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.