APEX AI Code Builder
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APEX DEVELOPMENT AGENT
AGENT ONLINE New build

FULL-STACK ENGINEERING / CREATIVE PRODUCTION

Describe the product.
APEX writes the code.

A senior engineering team in one agent: architecture, UI, working HTML/CSS/JS, QA review, and security notes — shipped as real files you can run instantly.

03 working files
per build

01 / SPEC

Give the agent a spec

EXECUTES
What should APEX build?
Be specific. APEX builds exactly what you ask, then polishes it.
Build type
Stack
Coding model

Engineering standard
↗Ship-readyFull features, tested ⌁Fast prototypeCore loop, quick ✦Visual showcaseAward-tier design
Write the code→ Load a sample spec

✳Builds are saved in your workspace so you can reopen or refine them.

02 / OUTPUT

The build workspace

IDLE

The editor is open. The agent is waiting.

Write a spec and APEX returns real, runnable files — plus a live preview you can use immediately.

ARCHITECTUREUI / UXFRONTENDQASECURITY

APEX is engineering your build.

  1. Planning architecture and data model
  2. Writing markup and layout
  3. Designing the visual system
  4. Implementing logic and state
  5. Running QA and security review
BUILD

Live preview index.html styles.css main.js Engineering notes

Runs the exact files below. Interact with it.

Reload preview Copy file Download .html
index.html
styles.css
main.js

Architecture

QA checks

Security & robustness

Next upgrades

Test it, then describe the edits

Try the preview, note what to change, and APEX rewrites the files to match your edits.

Describe your edits
Ctrl/Cmd + Enter to apply Apply edits→

Edits applied this session

!

The build hit an error.

Try again in a moment. Your spec is still here.

Try again

03 / BUILDS

Saved builds

0
No saved builds yet. Finished work appears here.
APEX / ELITE AI DEVELOPMENT & CREATIVE ENGINEERINGEXECUTE. DON'T EXPLAIN.