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Mail by Pony

Official registry Other

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

Website

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 mail-by-pony 'https://www.mailbypony.com/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "mail-by-pony": {
            "type": "http",
            "url": "https://www.mailbypony.com/mcp"
        }
    }
}

Frequently asked questions

What is Mail by Pony?

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

How do I install Mail by Pony?

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

Does Mail by Pony 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.

Who maintains Mail by Pony?

It is published by com.mailbypony. 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.