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Agent Letter Desk

Official registry AI and agents

Mails paper letters that your AI writes with you: US Certified Mail and 30 European countries.

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 agent-letter-desk 'https://agentletterdesk.com/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "agent-letter-desk": {
            "type": "http",
            "url": "https://agentletterdesk.com/mcp"
        }
    }
}

Frequently asked questions

What is Agent Letter Desk?

Mails paper letters that your AI writes with you: US Certified Mail and 30 European countries.

How do I install Agent Letter Desk?

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

Does Agent Letter Desk 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 Agent Letter Desk?

It is published by com.agentletterdesk. 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.