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Mythex — app walkthrough
114,650 ms · 48,312 pixels changed
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export async function test(page, baseUrl, screenshotPath, stepLogger) {
const shot = (n, slug) => screenshotPath.replace('.png', `-${n}-${slug}.png`);
const PROJECT_ID = 'cmubd0ifb0k3vp801mn1eg5ss';
const SCROLL_THROUGH = "(async () => { const ease = t => 1 - Math.pow(1 - t, 3); const max = Math.max(0, document.body.scrollHeight - window.innerHeight); if (max < 40) return; const anim = (a, b, ms) => new Promise(res => { const t0 = performance.now(); const step = now => { const p = Math.min(1, (now - t0) / ms); window.scrollTo(0, a + (b - a) * ease(p)); p < 1 ? requestAnimationFrame(step) : res(); }; requestAnimationFrame(step); }); await anim(0, max, 1400); await new Promise(r => setTimeout(r, 350)); await anim(max, 0, 800); })()";
await page.context().setExtraHTTPHeaders({ 'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36' });
await page.route('**/connect.facebook.net/**', function (r) { r.abort(); }).catch(function () {});
await page.route('**/analytics.tiktok.com/**', function (r) { r.abort(); }).catch(function () {});
await page.route('**/analytics.twitter.com/**', function (r) { r.abort(); }).catch(function () {});
// ─── Scenario 1: public template gallery (context) ────────────────────────
stepLogger.log('Scenario 1: Template gallery');Checks run
Notes from the demo run
AI-generatedWe signed up to Mythex with a fresh email, verified the 6-digit code, and drove the workspace end to end: we asked Mythex to build a dog-walking booking page, watched the agent plan, write index.html / index.css / App.tsx and serve a live preview, then walked Projects, Account settings, Domains and Plans & credits. The build-to-preview loop is the strongest part of the product: from a one-line prompt to a rendered site with a thumbnail in the projects grid took under a minute, and the credit meter on Plans showed the exact cost (0.52 credits) attributed to the project by name.
- Prompt to live preview is genuinely fastOne sentence in the composer produced a planned, file-by-file build with a live iframe preview. The agent's reasoning is shown inline (Exploring 6 files, Write App.tsx), so the wait never feels like a black box.
- Credits are attributed per projectPlans & credits showed 0.52 credits spent, broken out by project name, on a 30-day sparkline. Most AI builders show a single opaque balance; attributing spend to a project is the thing that makes a credit model trustworthy.
- Projects grid renders a real screenshotThe generated site shows up as an actual rendered thumbnail, not a placeholder card, so the workspace reads as a portfolio the moment the first build finishes.
- Deep links into the app show the marketing page firstNavigating straight to /dashboard/projects, /settings or /billing paints the public landing page for roughly 5-8 seconds before the workspace hydrates. Anyone opening a shared in-app link (or refreshing) sees the marketing site and may bounce. A server-side session-hint redirect, or an app-shell skeleton instead of the marketing shell, removes it.
- Workspace name defaults to the raw email local-partThe sidebar and the hero read "lastestcloud+mythexmubcxrtc's workspace" and "Ready to build, lastestcloud+mythexmubcxrtc?" even though signup collects a Full name field. Falling back to the name (or just the part before any + suffix) would make the first authed frame feel personal instead of machine-generated.
- /settings (Delete account)·Destructive - screenshotted the Danger zone but never clicked
- Stripe checkout·Demo runs never reach a paid checkout
8 visual changes
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