Stripe Agent ToolkitでMCPサーバーを収益化するサンプルを試す

$ pnpm dev

> remote-mcp-server@0.0.0 dev /Users/shuntaka/repos/github.com/stripe/agent-toolkit/typescript/examples/cloudflare
> wrangler dev

 ⛅️ wrangler 4.13.2 (update available 4.14.1)
-------------------------------------------------------

Using vars defined in .dev.vars
Your Worker and resources are simulated locally via Miniflare. For more information, see: https://developers.cloudflare.com/workers/testing/local-development.

Your worker has access to the following bindings:
- Durable Objects:
  - MCP_OBJECT: MyMCP
- KV Namespaces:
  - OAUTH_KV: c44... [simulated locally]
- Vars:
  - STRIPE_SECRET_KEY: "(hidden)"
⎔ Starting local server...
[wrangler:inf] Ready on http://localhost:4242
✘ [ERROR] OAuth error response: 401 invalid_token - Missing or invalid access token

[wrangler:inf] GET /sse 401 Unauthorized (9ms)
[wrangler:inf] OPTIONS /.well-known/oauth-authorization-server 204 No Content (1ms)
[wrangler:inf] GET /.well-known/oauth-authorization-server 200 OK (2ms)
[wrangler:inf] OPTIONS /register 204 No Content (1ms)
[wrangler:inf] POST /register 201 Created (6ms)
[wrangler:inf] GET /authorize 200 OK (6ms)
[wrangler:inf] GET /favicon.ico 404 Not Found (5ms)
[wrangler:inf] POST /approve 200 OK (19ms)
[wrangler:inf] GET /.well-known/oauth-authorization-server 200 OK (3ms)
[wrangler:inf] POST /token 200 OK (12ms)
[wrangler:inf] GET /sse 200 OK (11ms)
Connection kvYFe7VeZ02X0sDeiw_hE connected to _a:173291278cd81e815260ed1fb8068c4c58ee04a2c9ba529010f7d6992f425b4d
[wrangler:inf] POST /sse/message 202 Accepted (3ms)
[wrangler:inf] POST /sse/message 202 Accepted (4ms)
[wrangler:inf] POST /sse/message 202 Accepted (20ms)
╭──────────────────────────────────────────────────────────────────────────────────────────────────╮
│  [b] open a browser, [d] open devtools, [l] turn off local mode, [c] clear console, [x] to exit  │
╰──────────────────────────────────────────────────────────────────────────────────────────────────╯

$ npx @modelcontextprotocol/inspector@latest http://localhost:4242/sse
Starting MCP inspector...
⚙️ Proxy server listening on port 6277
🔍 MCP Inspector is up and running at http://127.0.0.1:6274 🚀
New SSE connection. NOTE: The sse transport is deprecated and has been replaced by streamable-http
Query parameters: [Object: null prototype] {
  url: 'http://localhost:4242/sse',
  transportType: 'sse'
}
SSE transport: url=http://localhost:4242/sse, headers=Accept
Received 401 Unauthorized from MCP server: SSE error: Non-200 status code (401)
New SSE connection. NOTE: The sse transport is deprecated and has been replaced by streamable-http
Query parameters: [Object: null prototype] {
  url: 'http://localhost:4242/sse',
  transportType: 'sse'
}
SSE transport: url=http://localhost:4242/sse, headers=Accept,authorization
Connected to SSE transport
Connected MCP client to backing server transport
Created web app transport
Set up MCP proxy
Received message for sessionId 08eb9f13-4cb0-466c-9f9d-ba14a98f8d72
Received message for sessionId 08eb9f13-4cb0-466c-9f9d-ba14a98f8d72
Received message for sessionId 08eb9f13-4cb0-466c-9f9d-ba14a98f8d72