Live Variant Arena

Live Variant Arena

Prompt once. Generate frontend variants. Run them in isolated BrowserPod sandboxes.

Server-side LLM keysBrowserPod portalsHonest fallback states

Sandbox repo

forklab-sandbox-acme-landing

Stack: Node.js + Express static frontend. Source: Built-in sandbox repo.

Built-in sandbox repo is active for this run.

Issue selector

Task context

Event timeline

Run progress

readyArena ready

Select an issue or edit the prompt, then launch variants.

BrowserPod proof

Runtime evidence

Real

crossOriginIsolated: pending

Real

Command executed: pending

Real

Files written: 0

Real

Nonce generated: pending

Real

Nonce returned: pending

Real

Portal captured: pending

Planned

GitHub MCP import, ZIP upload, repo-wide parsing, and production PR creation are not connected in this route.

BrowserPod Portal links

Live URLs

BrowserPod Portal links appear after onPortal reports a URL.

ForkLab agent prompt

Describe the frontend variants

Issue #201crossOriginIsolated: client

Provider

Safe Mode: OFF Run variants in parallel

Describe the feature, audience, and constraints. ForkLab will generate implementation branches and verify them in BrowserPod.

Variants requested3

Variants generated0

BrowserPod portals ready0

Failures0

Run plan

Waiting for prompt

Planned branches:

Enterprise Trust
Startup Conversion
Developer Minimal