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Card Mailer

me.onmax/card-mailer · v1.0.0

Measured by MCP Station

Description written by the publisher, not verified

Print and mail 5x7 holiday and thank-you photo cards to a US address list. $2.49/card incl. postage.

Connect

claude mcp add --transport http card-mailer https://cards.onmax.me/mcp

{
  "mcpServers": {
    "card-mailer": {
      "url": "https://cards.onmax.me/mcp"
    }
  }
}

Tools as reported by the server

• import_address_list
  Use this when the user wants to mail printed cards to people at US postal addresses and gives the addresses as pasted text, a CSV, or an .xlsx spreadsheet. Reads names and addresses, checks each against USPS data, and saves them as a recipient list. Returns a list_id, how many rows are ready, and th
• fix_address write/delete
  Use this to correct or remove one recipient in a list from import_address_list, by row number. Given fields replace the stored values and omitted fields keep theirs; if the row's problem says it could not be read, pass name, line1, city, state and zip together. Re-checks the address with USPS data.
• design_card write/delete
  Use this to create or edit the printed 5x7 postcard: a greeting on the front over or under the photo, and a message and sign-off on the back. Pass the photo the user attached as photo, or a public https image URL as photo_url; the image is downloaded and stored on cards.onmax.me. Without a photo the
• quote_mailing
  Use this when the user asks what mailing a card to an imported list costs or when it will arrive. Returns the price per card (First-Class postage included), the total for the ready recipients, the send date and the expected arrival window. If the cards must arrive by a date, pass arrive_by; the resu
• create_mailing
  Use this when the user has seen the card and the quote and says they want to order. Creates an unpaid order for the ready recipients in list_id with design_id and returns a link to cards.onmax.me, where the user reviews the recipients and pays. Nothing is printed, mailed or charged until the user pa
• get_mailing_status
  Use this when the user asks whether a Card Mailer order was paid, printed, mailed or delivered. Takes the mailing_id returned by create_mailing (also the last part of the order link). Returns the status, send date, expected arrival and per-recipient counts. Does not change the order or track other U

Tool changes

• 2026-10-24: import_address_list, fix_address, design_card, quote_mailing, create_mailing, get_mailing_status
• 2026-10-23: import_address_list, fix_address, design_card, quote_mailing, create_mailing, get_mailing_status

Website · JSON · Text for agents · Registry updated 2026-10-22