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Sendpaper

Official registry AI and agents

Your agent sends real postcards and letters. You approve; we print and mail.

Source code Website Documentation

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 sendpaper 'https://sendmypaper.com/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "sendpaper": {
            "type": "http",
            "url": "https://sendmypaper.com/mcp"
        }
    }
}

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Sendpaper for Codex, Muse Code and Claude

Mail real postcards and letters from your agent. The agent drafts the mail and gets back a print preview and a Stripe checkout link. Nothing is mailed until it's paid, by you or by your agent with your approval, and a person reviews every piece before it's printed and sent via USPS First-Class (US addresses only).

Products: postcards (4×6, 6×9, 6×11; headline, photo, photo + caption or collage fronts), letters you write or your own PDF (up to 6 pages, color optional), USPS Certified Mail with tracking and an optional return receipt, and express delivery (USPS Priority Mail). Printing and postage are included, and first orders get a discount when a promotion is running. Current prices: sendmypaper.com/#pricing, or ask your agent (it calls get_pricing).

Install

Codex plugin

codex plugin marketplace add ryan-tish/sendpaper-plugin

Codex (MCP only): codex mcp add sendpaper --url https://sendmypaper.com/mcp

Muse Code — add to settings:

"mcp_servers": { "sendpaper": { "transport": "streamable_http", "url": "https://sendmypaper.com/mcp" } }

Claude Code plugin (MCP server plus the send-mail skill):

/plugin marketplace add ryan-tish/sendpaper-plugin
/plugin install sendpaper@sendpaper

Claude Code (MCP only): claude mcp add --transport http sendpaper https://sendmypaper.com/mcp

Tools

get_pricing, create_postcard, create_letter, pay_order, get_order, cancel_order.

Send the same postcard or letter to up to 25 people with one payment: pass recipients instead of to.

Agents can pay with a Stripe shared payment token you approve (via Stripe Link). See https://docs.sendmypaper.com/guides/agent-payments.

Website: https://sendmypaper.com · Docs: https://docs.sendmypaper.com · Support: support@sendmypaper.com · Content policy

License: MIT

Frequently asked questions

What is Sendpaper?

Your agent sends real postcards and letters. You approve; we print and mail.

How do I install Sendpaper?

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

Does Sendpaper 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.

Is Sendpaper open source?

Yes. Its code is on GitHub under the MIT license.

Who maintains Sendpaper?

It is published by ryan-tish. 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.