エージェントワークフローに Stripe を追加する

from agents import Agent, Runner
from stripe_agent_toolkit.openai.toolkit import StripeAgentToolkit

stripe_agent_toolkit = StripeAgentToolkit(
    secret_key=os.getenv("STRIPE_SECRET_KEY"),
    configuration={}
)

agent = Agent(
    name="Agent",
    instructions="Integrate with Stripe effectively to support business needs.",
    hooks=stripe_agent_toolkit.billing_hook(
        type="token",
        customer=os.getenv("STRIPE_CUSTOMER_ID"),
        meters={
            "input": os.getenv("STRIPE_METER_INPUT"),
            "output": os.getenv("STRIPE_METER_OUTPUT"),
        },
    ),
)

import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import { z } from "zod";
import { McpAgent } from "agents/mcp";
import { generateImage } from "./imageGenerator";
import { OAuthProvider } from "@cloudflare/workers-oauth-provider";
import {
  PaymentState,
  experimental_PaidMcpAgent as PaidMcpAgent,
} from '@stripe/agent-toolkit/cloudflare';
import app from "./app";

type Bindings = Env;

type Props = {
  // Populate this via OAuth
  userEmail: string;
};

type State = {};

export class MyMCP extends PaidMcpAgent<Bindings, State, Props> {
  server = new McpServer({
    name: "Demo",
    version: "1.0.0",
  });

  initialState: State = {};

  async init() {
    // Usage-based metered payments (Each tool call requires a payment)
    this.paidTool(
      'generate_emoji',
      'Generate an emoji given a single word (the `object` parameter describing the emoji)',
      {
        object: z.string().describe('one word'),
      },
      ({object}) => {
        return {
          content: [{type: 'text', text: generateImage(object)}],
        };
      },
      {
        checkout: {
          success_url: '{{SUCCESS_URL}}',
          line_items: [
            {
              price: 
'{{PRICE_ID}}',
            },
          ],
          mode: 'subscription',
        },
        meterEvent: 'image_generation',
        paymentReason: 'You get 3 free generations, then we charge 10 cents per generation.',
      }
    );
  }
}

export default new OAuthProvider({
  apiRoute: "/sse",
  apiHandler: MyMCP.mount("/sse"),
  defaultHandler: app,
  authorizeEndpoint: "/authorize",
  tokenEndpoint: "/token",
  clientRegistrationEndpoint: "/register",
});