v0.1.0

First release. An MCP server for PayPay's Open Payment API.

Tools

• create_qr_code — dynamic QR, returns URL, deeplink, and a rendered PNG.
• get_payment_details — current status of a payment.
• wait_for_payment — polls until a payment reaches a terminal state.
• delete_qr_code — invalidate an unpaid QR.
• refund_payment — full or partial refund.
• cancel_payment — cancel when the state is unclear.

Prompts

• accept_single_payment
• refund_last_payment
• debug_stuck_payment

Transports

• stdio (default) for local clients.
• Streamable HTTP for remote hosting. Public binds require a bearer token; CORS is closed by default.

Client support

Claude Desktop, Claude Code, Cursor, Windsurf, Zed, ChatGPT Apps SDK, and anything else that speaks MCP.

Install

npm install -g paypay-mcp

See the README for Claude Desktop, Claude Code, Cursor, and remote-hosting setup.