send-letters-online-uk

Connect Claude or any MCP-compatible assistant to your account.

CommunityOnlineNo sign-inGlobalFreeCan modify data

What it can do

  • Get Balance: Returns the customer's current prepaid balance used to pay for letters.
  • List Orders: Lists this customer's letter orders, most recent first.
  • Get Order: Fetches one of this customer's letter orders by ID, including its current status.

What data it sees

Do you need an account

No: the server works without sign-in

Connect Claude or any MCP-compatible assistant to your account. Tell it who to write to - it drafts the letter, shows you the exact price, and only sends it once you say yes.

How to connect

How to connect send-letters-online-uk to Claude

The server address to paste into Claude settings:

https://send-letters-online-uk--giankar.run.tools

  1. Open Claude (claude.ai or the desktop app).
  2. Go to Settings → Connectors.
  3. Click Add custom connector.
  4. Paste the server address copied below into Remote MCP server URL and click Add.
  5. In a chat, click + → Connectors and switch the new connector on.

Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

Authorization

After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

How to connect send-letters-online-uk to ChatGPT

The server address to paste into ChatGPT settings:

https://send-letters-online-uk--giankar.run.tools

  1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
  2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
  3. Open Settings → Connectors and click Create.
  4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
  5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
  6. In a new chat open + → Apps/Connectors and enable the connector.

OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

Authorization

On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

How to connect send-letters-online-uk to Cursor

The server address to paste into Cursor settings:

https://send-letters-online-uk--giankar.run.tools

Fastest: click Open in Cursor below and confirm the prompt.

Manually:

  1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
  2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
  3. Save the file. The server appears in the MCP list; authorize it there if asked.

Authorization

If the service needs sign-in, an authorize button appears next to the server in the MCP list.

Server tool list (5)

Raw names from tools/list. Only developers need these.

get_balanceReturns the customer's current prepaid balance used to pay for letters.
list_ordersLists this customer's letter orders, most recent first.
get_orderFetches one of this customer's letter orders by ID, including its current status.
preview_letter_priceCalculates the exact price of a letter WITHOUT creating an order or charging anything. Always call this (or create_letter_order without confirming) before create_letter_order, and show the price to the user before sending money.
create_letter_orderCreates a letter order and immediately debits the customer's balance to pay for it - this spends real money and cannot be undone. Call it WITHOUT confirmed:true first: it will only return the price, without charging or creating anything. Only after the price has been shown to the human and they've agreed to it, call it again with confirmed: true and expectedTotalPence set to the exact totalPence you were quoted. If the recomputed price no longer matches expectedTotalPence, the order is rejected so you cannot accidentally confirm a stale price.