GHTK MCP server

Quote fees, check addresses and order status, and create or cancel shipping orders in GHTK. Hosted by usefulapi: connect it to Claude, ChatGPT, Cursor or any MCP client.

Connect GHTKFree 50 tool calls / monthPro $9/mo · $90/yr · pricing12 tools

What can I ask?

Turn on the GHTK connector, then ask in plain words. The AI picks the tools.

What you can do with GHTK in Claude and ChatGPT

For online shops that ship parcels with GHTK.

Check the status of an order

Read the status, fees, pickup and delivery dates and COD amount of an order, by GHTK label or your own code.

Quote a shipping fee for a route

Check the delivery address against GHTK's address data. Then quote the shipping and insurance fee for the route and weight.

Find pickup addresses and order solutions

List the pickup addresses saved in the shop and the solutions you can attach to an order.

Find warehouse products for an order

Search the shop's product list by name to get the product codes for an order.

Create an order and cancel it before pickup

Create a shipping order. GHTK schedules a pickup and charges the fee. Cancel the order only before the parcel is picked up.

Changes data

How do I connect GHTK?

Before you connect

The login page asks for your GHTK API token and Shop code or private partner code.

Find the token on your GHTK customer site: Shop Information → account page (the token is in the top left sidebar). Your token is used only to call the GHTK API on your behalf; it is never shown to anyone. Each shop must use its own token.

Claude claude.ai · Desktop

  1. Open Customize → Connectors, then click + Add → Add custom connector.
  2. Enter the name GHTK and this URL, then click Add:
    https://ghtk.usefulapi.io/mcp
  3. Claude opens the login page: enter your GHTK API token and Shop code or private partner code.
  4. In a chat, click + → Connectors and turn on GHTK.

Team and Enterprise: an Owner adds the connector for the organization first.

ChatGPT chatgpt.com

  1. Open Plugins, click +, then Add custom MCP server.
  2. Enter the name GHTK and this URL, choose OAuth as the authentication, confirm the warning and create it:
    https://ghtk.usefulapi.io/mcp
  3. ChatGPT opens the login page: enter your GHTK API token and Shop code or private partner code.
  4. In Plugins, install GHTK, then choose it in a chat.

No Add custom MCP server option? It depends on your account or workspace settings: see OpenAI's guide.

Claude Code

Run this command, then run /mcp in Claude Code to log in:

claude mcp add --transport http ghtk https://ghtk.usefulapi.io/mcp

Cursor

Add to Cursor or add this to ~/.cursor/mcp.json:

{
  "mcpServers": {
    "ghtk": {
      "url": "https://ghtk.usefulapi.io/mcp"
    }
  }
}

VS Code

Add to VS Code or add this to .vscode/mcp.json:

{
  "servers": {
    "ghtk": {
      "type": "http",
      "url": "https://ghtk.usefulapi.io/mcp"
    }
  }
}

Codex

Run these commands. The second one opens the login page:

codex mcp add ghtk --url https://ghtk.usefulapi.io/mcp
codex mcp login ghtk

Other clients

Windsurf, Cline, Zed and other MCP clients: add this URL as a remote MCP server (Streamable HTTP). The client then opens the login page in your browser.

https://ghtk.usefulapi.io/mcp

Add only the URL. Do not add an Authorization header or an API key to the client config. The server signs you in with OAuth: the login page asks for your GHTK API token and Shop code or private partner code. If the config has such a header, remove it: some clients then send that header instead of the login token, and every call fails with 401.

Pricing

PlanPriceLimit
Free$050 tool calls / month
Proper user$9/mo · $90/yrUnlimited*

*Pro fair use limit: 10,000 tool calls a month on this server. For more, write to [email protected].

Pro covers this GHTK server only. Subscribe with ghtk_upgrade (it returns a Stripe Checkout link). Cancel any time with ghtk_cancel_subscription: Pro continues to the end of the paid period, with no refund for the current period, and running ghtk_upgrade before then undoes the cancel. Or write to [email protected].

Tools 12

Show all 12 tools (the AI picks them for you)

Read only · 6

  • List pickup addressesghtk_list_pickup_addresses
    List the pickup addresses saved in the shop, with their ids. Use an id as pick_address_id in ghtk_create_order. Token permission: not named in the GHTK docs; the token needs access to this call.
  • Look up a level-4 addressghtk_find_address
    Check a delivery address against GHTK's address data (province, district, ward or street). Use it before ghtk_create_order to get the exact spelling GHTK expects. Token permission: not named in the GHTK docs; the token needs access to this call.
  • Calculate a shipping feeghtk_calculate_shipping_fee
    Get the shipping fee and insurance fee for a route and weight, before an order is created. Token permission: Calculate order fees.
  • Search warehouse productsghtk_search_products
    Search the shop's product list by name. Returns product codes you can pass as product_code in ghtk_create_order. Token permission: not named in the GHTK docs; the token needs access to this call.
  • List GHTK solutionsghtk_list_solutions
    List the GHTK solutions (service add-ons) the shop can attach to an order, with their solution_id values. Token permission: not named in the GHTK docs; the token needs access to this call.
  • Get order statusghtk_get_order_status
    Get the status, fees, pickup and delivery dates, and COD amount of one order. Pass the GHTK label (for example S1.A1.17373471) or your own order code. Token permission: Get order status.

Changes data · 2

  • Create a shipping orderghtk_create_order
    Create a real GHTK shipping order: GHTK schedules a pickup and charges the shipping fee. Re-sending the same order_id is refused by GHTK, so it does not create a second order. Give street or hamlet (use "Other" for hamlet when neither applies). Token permission: Create order. Open API: POST /services/shipment/order (JSON).
  • Cancel a shipping orderghtk_cancel_order
    Cancel an order that GHTK has not picked up yet. GHTK refuses a cancel after pickup. Pass the GHTK label, or set id_type to partner_order_id to pass your own order code. Token permission: not named in the GHTK docs; the token needs access to order cancellation.

Your usefulapi plan · 4

  • Usage status (free-tier meter)ghtk_usage_status
    Report the caller's current usage: the plan, calls used this month, the limit of the plan (the free monthly cap or the Pro fair use limit), remaining, and whether the limit is reached. Read-only; does not count against the meter.
  • Request a missing featureghtk_request_feature
    Tell usefulapi that the user needs something the GHTK tools cannot do yet (a missing tool, field or filter). Call it only when the user asks for something none of the tools can do, and tell the user that you send the request. Do not call it for errors or for normal requests. Do not include personal data, credentials or customer records. Stored with the product name and the client type (for example Claude or Cursor), without the user's account. At most 5 requests per day. Does not count against the meter.
  • Upgrade to Pro or Pro+ghtk_upgrade
    Get a paid plan for GHTK (the free tier caps monthly usage). Pro: 10,000 tool calls a month, for normal use — plan "monthly" ($9/month) or "yearly" ($90/year, 2 months free). Pro+: 100,000 tool calls a month, for automations and heavy use — plan "plus" ($39/month) or "plus_yearly" ($390/year). Without a plan it returns both Pro and Pro+, each with a payment link, for the user to choose; with a plan, one link. An existing Pro subscription changes to Pro+ in place (needs confirm: true; the price difference for the rest of the period is charged at once). Cancel any time: the plan then runs to the end of the paid period, so it also suits a one-time job. A link opens Stripe Checkout in the browser; after payment the account upgrades automatically. Does not count against the meter.
  • Cancel the Pro subscriptionghtk_cancel_subscription
    Cancel the caller's GHTK Pro subscription at the end of the paid period (no refund for the current period; Pro continues until then, then the free tier applies). Requires confirm: true. Run ghtk_upgrade later to undo the cancel before the period ends. Does not count against the meter.

FAQ

What can I do with GHTK in Claude or ChatGPT?

Check the status of an order. Quote a shipping fee for a route. Find pickup addresses and order solutions. Find warehouse products for an order. Create an order and cancel it before pickup. See what you can do for the details.

Is this an official GHTK product?

No. usefulapi is an independent service. It is not affiliated with or endorsed by GHTK. The server calls the GHTK API with your own GHTK access, so it sees only the data that your account can see.

Can I connect GHTK to Claude or ChatGPT?

Yes. In Claude, add this server's URL as a custom connector. In ChatGPT, add it as a custom MCP server in Plugins. Then log in once. Cursor, VS Code, Claude Code and Codex work too. See the setup steps.

What do I need to connect?

The login page asks for your GHTK API token and Shop code or private partner code. See Before you connect for where to find them.

Do I put my GHTK key or an Authorization header in the client config?

No. Add only the URL. Do not add an Authorization header or an API key to the client config. The server signs you in with OAuth: the login page asks for your GHTK API token and Shop code or private partner code. If the config has such a header, remove it: some clients then send that header instead of the login token, and every call fails with 401.

How do you keep my GHTK credentials?

The login stores them encrypted in the authorization grant of your connection. The server uses them to call the GHTK API for you and to derive a private account id for usage metering. usefulapi does not show them on any page or in any reply. To stop all access, remove the connector and change or delete these credentials in GHTK.

Can the AI change my GHTK data?

Yes, if you approve it. 2 of the 8 GHTK tools can create or change data. The other 6 are marked read-only. Most MCP clients ask you to approve a tool call before it runs.

What does it cost?

The Free plan gives 50 tool calls / month. Pro costs $9/mo or $90/yr, with unlimited tool calls (fair use limit: 10,000 tool calls a month), for this GHTK server only. Cancel any time: Pro then runs to the end of the paid period. Run ghtk_usage_status to see how many calls you used.

How do I subscribe or cancel?

Ask the AI to run ghtk_upgrade: it returns a Stripe Checkout link. To cancel, run ghtk_cancel_subscription. Pro continues to the end of the paid period.

What if a GHTK tool that I need is missing?

Tell the AI what you wanted to do. It can send the request with ghtk_request_feature. We store the text with the server name, the type of AI client and the tool you tried, not with your account, and read every request when we plan new tools. You can send up to 5 requests per day.

Which AI clients can I use?

Any client that supports remote MCP servers (Streamable HTTP) with OAuth login: Claude (web and desktop), Claude Code, ChatGPT, Codex, Cursor, VS Code, Windsurf and others.

This is a Model Context Protocol endpoint — meant to be connected from an AI client, not opened in a browser. An invalid_token response at the URL is the auth gate working as designed; clients authenticate automatically.

Need a tool this server does not have, or a connection to another system? We build custom integrations and MCP servers.

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