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SanityCheck

AI agents that QA-test your web app in real browsers.

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Describe your test. That's it. AI agents open real browsers and test your app like actual users. Replay every click, trigger on every GitHub, GitLab, or Vercel deploy. Free tier. No card needed. No more wondering if your app is up, if people can login, trying to account for every edge case. Simple schedule an agent to test it or trigger it on deployment.

PH · launched Sep 10, 2026 · 7 upvotes (top 6%) · 0 views

Niche: automated software testing tools · 185 launches, 12 in the last 7 days · Explore this niche →

Category and tags

  • Horizontal
  • Agent / copilot
  • Developer
  • AI-native
  • Commercial product
  • Software Engineering
  • Developer Tools
  • Artificial Intelligence

Visit website ↗ Source listing ↗

Could you build this?

Partial A standard test runner dashboard can be vibe-coded, but deploying reliable AI browser agents that visually parse arbitrary web apps, execute reliable multi-step workflows, and handle flaky UI states requires complex agentic infrastructure.

What it would actually take: The stack needs a fleet of headless browsers (Playwright/Puppeteer) hosted on scalable container infrastructure, orchestrated by a vision-language agent using DOM trees and screenshots for grounding and action generation. The difficult parts include managing state recovery, handling complex web auth (MFA/CAPTCHA), preventing agent loops, and streaming video replays efficiently. Building this requires specialized experience in test automation infrastructure and robust autonomous agent design.

Competitors

Other products that read as similar to this one : 701 launches clear the similarity bar, closest 8 shown.

Attention rank: #90 of 702 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 308 days after the earliest competitor.

The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.