
cdk-mcp
Buy game keys, gift cards, and subscriptions via x402 USDC on Base.
What it can do
What data it sees
Do you need an account
No: the server works without sign-in
Buy game keys, gift cards, and subscriptions via x402 USDC on Base. 8 MCP tools, no install.
How to connect
How to connect cdk-mcp to Claude
The server address to paste into Claude settings:
https://mcp.cdk.bot/mcp
- Open Claude (claude.ai or the desktop app).
- Go to Settings → Connectors.
- Click Add custom connector.
- Paste the server address copied below into Remote MCP server URL and click Add.
- 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 cdk-mcp to ChatGPT
The server address to paste into ChatGPT settings:
https://mcp.cdk.bot/mcp
- Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
- Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
- Open Settings → Connectors and click Create.
- Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
- Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
- 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 cdk-mcp to Cursor
The server address to paste into Cursor settings:
https://mcp.cdk.bot/mcp
Fastest: click Open in Cursor below and confirm the prompt.
Manually:
- In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
- Paste the JSON copied below into
~/.cursor/mcp.json(per project:.cursor/mcp.jsonin the repo root). - 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 (8)
Raw names from tools/list. Only developers need these.
| search_games | CDK Bot: search the catalog of digital products (game keys, gift cards, DLC) by title, platform, device, region, or language. Returns a best match with alternatives (smart matching). Use browse_filters first to see valid filter values. |
| get_game_details | CDK Bot: get detailed information about a specific digital product (game key, gift card, DLC) including price, activation instructions, and delivery time. Use the game_id from search_games results. |
| browse_filters | CDK Bot: list all available platforms, devices, regions, and languages for filtering digital product searches. Call this first to know what filter values are valid. |
| get_price_quote | CDK Bot: lock the current price for a digital product and get USDC payment instructions. Returns a quote_id valid for 5 minutes. After paying, use confirm_purchase with the tx_hash and quote_id. |
| confirm_purchase | CDK Bot: receive the product key after paying. Two ways to pay: (1) one-shot — pass x_payment, a signed EIP-3009 "exact" X-PAYMENT header (from accepts[] in get_price_quote); the facilitator settles it gaslessly, no tx_hash needed. (2) two-step — send USDC yourself, then pass tx_hash + quote_id. |
| check_order | CDK Bot: check the status of a purchase order. Provide wallet_address to retrieve the product key. Pending orders are automatically polled for fulfillment. |
| request_refund | CDK Bot: submit a refund claim for a purchased product key. Must be within 30 days of purchase. Delivery failures (not_delivered) are auto-approved instantly. Key issues are verified within 24 hours. |
| submit_review | CDK Bot: rate a completed purchase (1-5 stars). Helps improve the service. One review per order. Requires order_id and the wallet_address used for payment. |