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Harness

AI-driven user testing for iOS Simulator, macOS apps, and web apps from a plain-language goal

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Harness preview

Harness is a macOS app that runs AI-driven user testing: write a goal in plain language, and an LLM agent drives the UI of an iOS Simulator, macOS app, or web app and reports back on the friction it encountered, without writing test scripts.

Categories
developer-toolstesting

Full match profile

Behind the summary, Matchbox keeps a richer profile of Harness - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

  • Problem & pain-point mapping
  • Who we surface it to (audience fit)
  • What it's a strong alternative to
  • Trust & credibility signals

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