Mail by Pony MCP Server: Install & Setup

Install Mail by Pony in Claude Code

Claude Code

claude mcp add --transport http mail-by-pony https://www.mailbypony.com/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "mail-by-pony": {
      "url": "https://www.mailbypony.com/mcp"
    }
  }
}

Frequently asked questions

What does the Mail by Pony MCP server do?

Print and mail real letters through USPS. Write, preview the exact printed proof, then pay or send.

Is the Mail by Pony MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Mail by Pony run locally or remotely?

Remote. Hosted by the provider. You connect with a URL, nothing to install.

How do I add Mail by Pony to Claude Code?

Run: claude mcp add --transport http mail-by-pony https://www.mailbypony.com/mcp

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