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Plugin / OpenAI

Build Web Apps Codex Plugin

Build frontend-focused web apps with generated assets, browser testing, payments, and databases.

Docs reviewedChecked 2026-09-20Runtime not tested

What it adds

Use Build Web Apps to create frontend application surfaces with Codex-generated visual assets, verify them with the Browser plugin and built-in app browser, compose shadcn/ui, wire Stripe payments, and design or tune Supabase/Postgres data flows.

build-web-appsbuildproduct-appsfrontendimage-generationbrowser-testingfrontend-debuggingstripe

Get set up

  1. Open Plugins in Codex and search for this plugin.
  2. Install it and complete any account authorization it asks for.
  3. Start a new thread to use it.
/plugins
Review before running
Read the installation source

Before you install

    Compatibility & limitations

    Documented for ChatGPT desktop app, Codex CLI, ChatGPT web

    Cursor: Not confirmed for Cursor.

      This listing is based on source documentation. We have not installed or runtime-tested this asset.

      How it fits together

      Shopify · PluginBuild and manage your store.Stripe · PluginAccept payments. Grow revenue.Stripe · MCP serverOne-stop shop for building AI-powered products and businesses with Stripe.PayPal · MCP serverThe PayPal Agent Toolkit enables popular agent frameworks including OpenAI's Agent SDK, LangChain, Vercel's AI SDK, and Model Context Protocol (MCP)...

      Sources & provenance

      Reviewed 2026-09-20. Source revision: main (mutable; commit not pinned).