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Falken
The AI app builder that tests its own work
Every AI builder generates code. Falken proves it works: an independent reviewer agent tests each build against your request and the builder rebuilds until it passes — or escalates to a stronger model. Watch the agent team work in real time.
Hey Product Hunt 👋 I'm Markus, exploring new things
I've tried most of the AI app builders. They're magic for the first 80% — then you hit the wall: the preview is blank, an import is broken, a button does nothing, and you're back to copy-pasting error messages hoping the next generation fixes it.
So I built Falken around one idea: the AI shouldn't just generate your app — it should verify it actually works, and rebuild until it does.
Under the hood, every build runs as a small team of agents (a coordinator plus specialists for code and design) on Claude. They build, grade the result against a rubric, catch what's broken, and iterate — before you ever see it. You describe an app or website, and you get one that actually runs.
A few things I'm proud of:
Verify-and-rebuild loop instead of one-shot generation
Attach images or docs as references or specs
Remix any public app to start from someone else's idea
It remembers lessons across your own projects
Free to try — 25 credits, no card. I'd genuinely love your brutal feedback: what breaks, what's confusing, what you wish it did. 🦅
About Falken on Product Hunt
“The AI app builder that tests its own work”
Falken was submitted on Product Hunt and earned 3 upvotes and 6 comments, placing #93 on the daily leaderboard. Every AI builder generates code. Falken proves it works: an independent reviewer agent tests each build against your request and the builder rebuilds until it passes — or escalates to a stronger model. Watch the agent team work in real time.
On the analytics side, Falken competes within SaaS, Website Builder and Artificial Intelligence — topics that collectively have 527.4k followers on Product Hunt. The dashboard above tracks how Falken performed against the three products that launched closest to it on the same day.
Who hunted Falken?
Falken was hunted by Markus Füller. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Falken including community comment highlights and product details, visit the product overview.
Markus Füller
Hey Product Hunt 👋 I'm Markus, exploring new things
I've tried most of the AI app builders. They're magic for the first 80% — then you hit the wall: the preview is blank, an import is broken, a button does nothing, and you're back to copy-pasting error messages hoping the next generation fixes it.
So I built Falken around one idea: the AI shouldn't just generate your app — it should verify it actually works, and rebuild until it does.
Under the hood, every build runs as a small team of agents (a coordinator plus specialists for code and design) on Claude. They build, grade the result against a rubric, catch what's broken, and iterate — before you ever see it. You describe an app or website, and you get one that actually runs.
A few things I'm proud of:
Verify-and-rebuild loop instead of one-shot generation
Attach images or docs as references or specs
Remix any public app to start from someone else's idea
It remembers lessons across your own projects
Free to try — 25 credits, no card. I'd genuinely love your brutal feedback: what breaks, what's confusing, what you wish it did. 🦅