FetchSandbox tests AI-written payment code before release

FetchSandbox has passed 1,600 MCP downloads. Instead of checking only whether an returns a successful response, it runs the real flow. It triggers webhooks, performs retries, tests failure cases, and creates a result link showing exactly where the flow broke.

can run `./fetchsandbox verify stripe` inside Cursor or Claude Code to check a Stripe payment . It is being used to catch in AI-written Stripe code before that code is merged and released.

Key points

  • FetchSandbox has passed 1,600 MCP downloads.
  • It tests webhooks, retries, and failure cases rather than checking only a successful response.
  • Each test produces a result link that identifies where the flow failed.
  • A single command can check Stripe code from Cursor or Claude Code.
  • are using it to find in AI-written payment code before release.
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