Clean up and secure a Replit app before scaling it
A non-technical founder used Replit Agent to test code quality, remove duplication, and add protections to a Stripe app that had already sold about £20k.
- What they did
- The founder first used Claude or ChatGPT to check whether the idea made sense and to sketch mockups. They then moved those ideas into Replit and used the agent to build features and site content. Once the app was running, they kept asking it to write tests, spot repeated code, tighten naming, and add safeguards such as Google reCAPTCHA.
- How it went
- One Stripe-connected app has brought in about £20k so far. A second is close to earning money, and a third with Stripe already wired up was planned within 30 days. They said the process was rough, expensive to learn, and full of mistakes, and they eventually had to start over after the codebase became too tangled.
- Tips
- Treat the agent as a cleanup and review tool as well as a builder. Before any payment, submission, or live-data change, ask it to show the planned edits and wait for your approval.
Try it yourself with Replit Agent
I’m working on [app name], which is built in Replit and uses Stripe. Review the codebase for duplicated logic, inconsistent naming, messy structure, and missing security protections such as Google reCAPTCHA on forms. First give me a prioritized list of issues and proposed fixes. Then, for each change, ask for my approval before editing anything that affects payments, sending, deleting, or live data. After approved edits, run through the main user flows and report whether checkout and other core paths still work.
Fill in the [brackets]. Agents can make mistakes, so review anything before it is sent, paid or deleted.
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