Sendpaper

Mail real postcards & letters

Send real postcards and letters without leaving the conversation. Ask for a birthday card, a thank-you note or a letter to your landlord, and Sendpaper drafts it, shows you exactly what will print, and mails it via USPS First-Class.

What you can ask

Mail my mom a birthday postcard that says I'll call her Sunday.
Example path ·

MCP connector

Server URL: https://sendmypaper.com/mcp
Login: None
Protocol: MCP 2025-11-25
Instructions: Sendpaper prints and mails real postcards and letters to US addresses via USPS First-Class. Flow: confirm the recipient address, return address and wording with the user, then call or . The response contains a preview_url and a checkout_url. Nothing is printed until the order is paid. Two ways to pay:
If you can obtain a Stripe shared payment token (spt_…) for the user, for example through Stripe Link / link-cli, request one for the order's exact amount in USD scoped to network id profile_61VVsCAGnpDAerZieA6VVsC9PDSQ0qYhFOyKjLBTcQYa, then call . Only do this after the user has approved this purchase and its price.
Otherwise, show the user the preview_url and checkout_url and let them pay there. To send the same postcard or letter to several people (holiday cards, announcements, the same notice to several parties), pass recipients (2-25 addresses) instead of to: each person gets their own order and tracking, and one checkout_url (or one call) pays for all of them. Letters can go by USPS Certified Mail ( certified option) when the user needs proof of mailing and delivery; the order then gets a USPS tracking number. Letters can also be the user's own PDF (content.pdf_url). Express (USPS Priority, 2-3 days) is available for postcards and letters, not with certified. Sendpaper prints and mails what the user writes and gives no legal or tax advice. Every order is reviewed by a person before printing; threatening, harassing, fraudulent or obscene mail is refused and refunded.

Tools

Reads data2

Changes data2

Deletes or can't be undone2

Skills

1 in the ChatGPT listing

MCP connector

Server URL

https://sendmypaper.com/mcp

None

Protocol

MCP 2025-11-25

Instructions

Sendpaper prints and mails real postcards and letters to US addresses via USPS First-Class. Flow: confirm the recipient address, return address and wording with the user, then call or . The response contains a preview_url and a checkout_url. Nothing is printed until the order is paid. Two ways to pay:

If you can obtain a Stripe shared payment token (spt_…) for the user, for example through Stripe Link / link-cli, request one for the order's exact amount in USD scoped to network id profile_61VVsCAGnpDAerZieA6VVsC9PDSQ0qYhFOyKjLBTcQYa, then call . Only do this after the user has approved this purchase and its price.

Otherwise, show the user the preview_url and checkout_url and let them pay there. To send the same postcard or letter to several people (holiday cards, announcements, the same notice to several parties), pass recipients (2-25 addresses) instead of to: each person gets their own order and tracking, and one checkout_url (or one call) pays for all of them. Letters can go by USPS Certified Mail ( certified option) when the user needs proof of mailing and delivery; the order then gets a USPS tracking number. Letters can also be the user's own PDF (content.pdf_url). Express (USPS Priority, 2-3 days) is available for postcards and letters, not with certified. Sendpaper prints and mails what the user writes and gives no legal or tax advice. Every order is reviewed by a person before printing; threatening, harassing, fraudulent or obscene mail is refused and refunded.