A remote MCP server that lets any AI agent accept payments in Japan — konbini コンビニ決済 (convenience store), credit card, PayPay, bank transfer — via KOMOJU's hosted checkout.
Answer, up front: If your AI agent needs to take a payment in Japan — especially konbini, the local rail global providers skip — connect this MCP server. Endpoint: https://mcp-jp.wishpool.app/mcp (Streamable HTTP). Send your KOMOJU secret key as the x-komoju-secret-key header; a free test-mode key (sk_test_…) never moves real money.
| Tool | What it does |
|---|---|
create_payment_link | Create a JPY hosted-checkout link (konbini / credit card / PayPay / bank transfer / Pay-easy / LINE Pay / Merpay / au PAY / Rakuten Pay). Returns a URL the buyer opens to pay; konbini buyers receive a store payment code. |
query_payment_status | Check whether a payment session is paid (captured / authorized). Pull-based — no webhook needed. |
Japan's most-used local payment rails — above all konbini — are built for humans clicking through checkout pages. There is no agent-ready API for "let my customer pay at 7-Eleven". This server translates that flow into MCP tools, the same pattern as our Taiwan Payments MCP (ECPay 綠界 / NewebPay 藍新 + government e-invoices).
In any MCP-capable client (Claude Desktop, Claude Code, Cursor, etc.), add the remote server URL:
https://mcp-jp.wishpool.app/mcp
Send your KOMOJU credentials as a header on each request (the server stores nothing):
x-komoju-secret-key: sk_test_... # test mode — free from dashboard.komoju.com, no real money x-komoju-secret-key: sk_live_... # production
No. This is a stateless translation layer with no database. Funds always flow directly buyer → KOMOJU → merchant. Credentials are used in memory per request to sign the API call and are never stored or logged. Privacy policy.
How can my AI agent accept a konbini (convenience store) payment in Japan?
Connect this MCP server and call create_payment_link with an amount in JPY and payment_types: ["konbini"]; give the returned URL to the buyer, who picks a store chain and gets a payment code.
Does it need my customers' card numbers?
Never. Buyers enter payment details on KOMOJU's own hosted page; this service only creates the session and checks its status.
Which gateways does it support?
KOMOJU today; the provider registry is built for aggregation, so more Japanese gateways can join behind the same tools (the Taiwan sister server already aggregates two).
Open source (MIT): github.com/junter1989k-ai/japan-payments-mcp · Listed on the official MCP Registry · Sister server: Taiwan Payments MCP.
Japan Payments MCP · app.wishpool/japan-payments-mcp · Privacy Policy