Xpell 2 Developer Preview

Build apps while they run.

Xpell 2 is an AI-native runtime that lets you modify applications in real time without rebuild loops, refresh loops, or wasted generation cycles.

Runtime Mutation becomes the workflow, not the pitch: prompt the running app, preview the mutation, and keep moving without throwing away state.

Traditional AI: Prompt → Generate → Build → Refresh

Xpell: Prompt → Live Runtime Mutation

No rebuild loop. No refresh loop. Less wasted AI tokens.
Public beta demo

Xpell 2 Beta - Build Apps While They Run

Open Xpell Vibe Studio Modify a running application Persist the change Refresh the page Apply a new mutation using AI

Developer Preview

Clear, honest status for the current launch build.

Working now

  • Runtime views
  • Live updates
  • Xpell Vibe Studio editing
  • Manual JSON/runtime artifact editing
  • Generated modules

Experimental

  • Module repair
  • Runtime-aware planning
  • Advanced AI orchestration

Why Xpell Exists

Traditional software often requires development, review, staging, QA, and deployment just to see simple UI changes.

As a developer, CTO, and engineering manager, I kept seeing small interface changes turn into expensive delivery cycles.

Days or weeks of work just to see a button move, a form change, or a panel appear.

Xpell started from a simple question:

What if applications could be edited as easily as WordPress pages?

The original idea was "WordPress for applications": live, editable software that can change while it runs.

AI transformed that idea into Xpell 2 - an AI-native runtime for evolving applications in real time.

Xpell 2 Beta - Build Apps While They Run

Open Xpell Vibe Studio, modify a running application, persist the change, refresh the page, and apply a new mutation using AI.

Runtime Mutation works because Xpell 2 can accept targeted changes instead of regenerating the whole app.

Using Xpell Vibe Studio

Xpell Vibe Studio is the runtime editor for Xpell 2. Type a prompt, preview the result, and apply the mutation while the app keeps running.

  1. RunStart the app and keep the runtime active.
  2. PromptDescribe the change you want in plain language.
  3. Live mutationPreview the generated interface update immediately.
  4. ApplyAccept the change when the runtime output is correct.
  5. SavedPersist the accepted structure back into the project.

Example prompt

Add email field to users

Try this in the starter app -> xpell-vibe-starter

Use the running system as the editing surface instead of regenerating a full source-code project.

Stop regenerating apps. Start evolving them.

The old loop makes you wait for generated code, builds, and refreshes. Xpell turns prompts into runtime changes.

Traditional AI builders

Prompt Generate Code Build Refresh

The app usually has to be regenerated, rebuilt, and reloaded before you can judge the change.

Xpell

Prompt Runtime Artifact Live Mutation

The running app receives a targeted mutation, so state can stay intact while the UI evolves.

Runtime artifacts

Xpell treats applications as runtime artifacts the app is already interpreting.

Views

The screens and UI surfaces users see.

Flows

The steps and interactions inside the app.

Entities

The structured objects the application works with.

Modules

The capabilities connected to the runtime.

Instead of regenerating full source-code projects, Xpell updates the runtime artifacts the application is already interpreting. AI helps request the mutation; the runtime interprets and applies it.

2-Minute Start

Start from the runtime starter, boot the local app, then modify it while it runs.

Install and run

git clone https://github.com/xpell-ai/xpell-vibe-starter
pnpm install
pnpm dev

What happens next

Open Xpell Vibe Studio (CTRL+E / CMD+E / WIN+E), describe a change, and watch the running app update without leaving its current state.

Starter repo: xpell-ai/xpell-vibe-starter

Videos

Recorded walkthroughs for the runtime workflow, focused on live edits inside the running app.

Xpell 2 Beta Demo

Watch a running application evolve through runtime mutations without rebuilds or refresh loops.

AI that edits your app while it runs

Prompt -> runtime -> persist. Generate the change, preview it in the running app, then save the accepted result into the project.

Getting Started

Move from the quick starter into the step-by-step Xpell 2 Developer Preview flow.

/getting-started/

Examples

Inspect focused runtime examples after the starter is running locally.

/examples/

GitHub

Use the starter repo and package sources as the primary code entry point.

github.com/xpell-ai

Videos

Watch the published runtime-editing walkthroughs when they are available.

#videos