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Kryptheon
Your AI says done. Kryptheon checks if your app still works
Your AI assistant says "done" without ever opening your app. Kryptheon checks. Record a flow once (sign up, log in, pay). After every AI change it replays it in a real browser and says in plain words what broke. It also attacks a copy of your Supabase or Postgres database's structure to find data anyone can read or change, without reading a real row. Works with Claude Code, Codex, Cursor, Antigravity and VS Code through MCP. Runs on your own machine.
Hi Product Hunt 👋 I'm the maker of Kryptheon.
I build with AI assistants every day, and kept hitting the same thing: the assistant says "done", but it never opened the app. Sign-up was broken, or a table it touched was readable by anyone.
So Kryptheon does two things:
1. You record a flow once. After each AI change it replays it in a real browser and tells you, in plain English, what broke.
2. It copies the structure of your Supabase/Postgres database (never the rows), attacks the copy as two made-up users, and shows what one customer could read or change of another's.
Add the MCP server (claude mcp add kryptheon -- npx -y kryptheon-mcp) and your assistant can run the check itself before it says done.
What it is not: nothing found is never called "safe". Every report ends with what could not be tested, and it does not replace a full security review. Apps on Lovable Cloud can't be scanned yet.
Starter needs no card. Pro adds the nightly details, the fix for each finding and an email every morning.
I would like to know whether you feel more confident about your project after using Kryptheon?
About Kryptheon on Product Hunt
“Your AI says done. Kryptheon checks if your app still works”
Kryptheon was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #121 on the daily leaderboard. Your AI assistant says "done" without ever opening your app. Kryptheon checks. Record a flow once (sign up, log in, pay). After every AI change it replays it in a real browser and says in plain words what broke. It also attacks a copy of your Supabase or Postgres database's structure to find data anyone can read or change, without reading a real row. Works with Claude Code, Codex, Cursor, Antigravity and VS Code through MCP. Runs on your own machine.
On the analytics side, Kryptheon competes within Developer Tools, Tech and Security — topics that collectively have 1.2M followers on Product Hunt. The dashboard above tracks how Kryptheon performed against the three products that launched closest to it on the same day.
Who hunted Kryptheon?
Kryptheon was hunted by Shantanu jha. 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 Kryptheon including community comment highlights and product details, visit the product overview.
Shantanu jha