ASLJS App Builder

ASLJS

Create Your First Application

This is a local-only application builder. App data is stored in your browser and is not submitted to any server. If you provide an OpenAI key, requests are sent directly to OpenAI only.

OpenAI API Key Application Name

Want a quick start? Create a TODO sample app and modify it.

Generate

Files

Preview

Settings

OpenAI API Key Model Theme Font size (px) Max tool steps (initial)

Your key is stored only in this browser (localStorage). It is sent directly to OpenAI — no server proxy is involved. Leave blank to skip AI generation.

New App

App name

Project Settings

Name

Agent Instructions

This is the full instruction text sent to the AI (including generated sections from package docs and API exports).