Premier Letters

Connect Remote server

claude mcp add --transport http mcp https://www.premierletters.com/api/mcp --header "Authorization: Bearer <YOUR_API_KEY>"

{
  "mcpServers": {
    "mcp": {
      "url": "https://www.premierletters.com/api/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}

{
  "servers": {
    "mcp": {
      "type": "http",
      "url": "https://www.premierletters.com/api/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://www.premierletters.com/api/mcp

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools 13 found in our last check

• connect_account

  Get a Premier Letters API key without the user copying one by hand. Pass the user's email and your name; we email them a link to approve (they can sign up from it if they have no account). Then call check_connection with the returned request_id and poll_secret every 10-30 second…

• check_connection

  Check whether the user approved a connect_account request. Returns status pending, denied, expired or claimed, or, exactly once, status approved with the api_key. Poll every 10-30 seconds.

• get_pricing

  Get a live price quote for a Premier Letters order. Pass char_count (or letter_count for a rough estimate) plus optional mailing_option and paper_type to get a per-piece and total price, in cents. No account needed. Orders under 5 pieces carry a $0.99 per-piece handling fee (inc…

• list_handwriting_styles

  List available handwriting styles (fonts) for a letter order. Use the returned "id" as options.handwriting_style / handwriting_style when creating an order or previewing.

• list_templates

  List the authenticated user's saved letter templates.

• verify_address

  Verify and standardize a US mailing address via USPS. Use before create_order to catch typos and get the USPS-standardized form.

• preview_letter

  Render a preview of a handwritten letter (as an SVG image) and get its price, before creating an order. Does not save anything.

• list_extras

  List the extra pieces that can go in each envelope with a Premier Letters order: printed inserts, printed letters, your own inserts, flyers, postcards, business cards. Each has options, a per-unit price in cents, a lead time and a purchase mode: "instant" pieces are charged with…

• create_order

  Create and pay for a Premier Letters order — a real, handwritten letter mailed via USPS. Requires a Premier Letters API key. Use get_pricing or preview_letter first to confirm the price. For payment, "card_on_file" charges the caller's saved card immediately, "balance" pays from…

• get_order_status

  Get an order's status, delivery/tracking summary, and per-recipient mail status.

• list_orders

  List the authenticated user's recent orders.

• get_balance

  Get the authenticated account's prepaid balance (balance_cents) and the top-up rules: minimum and maximum top-up, bonus tiers and suggested amounts. Orders paid with payment.method "balance" skip the small-order handling fee. Use create_topup_link to add funds.

• create_topup_link

  Create a Stripe Checkout link that adds prepaid credit (plus any bonus tier) to the authenticated account. Give checkout_url to the human to pay in a browser; the balance updates once they pay (check with get_balance). amount_cents must be a whole number between min_cents and ma…

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