What problem does it solve?
It solves the frustrating issue where a web app runs but the user cannot see the frontend in Replit’s proxied iframe preview.
Core Features & Use Cases
- Replit host and port configuration: Ensures your dev server binds to the correct interface and uses the required port so the proxy can reach it.
- Framework-specific allowedHosts fixes: Provides targeted setup guidance for Angular, React+Vite, and Vue to allow the Replit proxy.
- Frontend-to-backend connectivity guidance: Recommends using the Replit public DOMAIN instead of localhost for API calls.
Use case example: You update your React/Vite app, the workflow is running, but the iframe preview shows a blank page—this skill guides you to correct host/allowedHosts/port settings and verify console logs.
Quick Start
Use the repl_setup skill to configure your framework dev server so it binds correctly for Replit and can be accessed through the iframe proxy.