Monetize your GPT apps with Stripe & xmcp

Learn how to monetize your GPT apps using Stripe external checkout integration.

This MCP server exposes the following tools:

• list-products — retrieves available products from Stripe
• buy-products — creates a checkout session for purchasing

The application integrates with these tools using the OpenAI SDK hooks:

• useCallTool — to invoke the MCP tools
• useToolOutput — to access tool results
• useOpenExternal — to open the checkout page in a new tab