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FaultFixer
For websites & apps to self-heal themselves.
Every website and app, vibe-coded or not, hides front-end and server errors in the background, especially once there are real users. FaultFixer catches these issues, generates an AI-powered diagnosis, & notifies you across multiple channels. The magic: it plugs into Claude, Codex, Cursor & other AI tools beautifully over MCP so your AI fixes the bug with full context. And, you always keep staying inside your AI tool. Just say "list issues" to your Claude, Cursor.. (and "fix issues" later on).
Hey Product Hunt 👋
I've spent years in uptime monitoring, and one thing never changed: by the time you hear about a bug, a real user already hit it. That's even truer now with so many vibe-coded sites/apps that ship fast but with errors in the background.
I'm currently vibe-coding a web app with a friend, and we had lots of:
💬 "hey, x feature is not working"
🧑💻 "ok, share the console logs with me"
…and me copy-pasting all that into the AI dev tool I use for fixes.
I built FaultFixer to close that gap.
It does three things:
🔎 Detects front-end and server errors the moment they happen
🧠 Diagnoses each one with an AI analysis of the likely root cause — not just a stack trace
🔌 Connects to your AI dev tools over MCP. I just say "list issues" (and usually "fix issues" right after)
🔔 Notifies you across the channels you already use
It's built to be a diagnosis layer, not a blind auto-fixer. You (and your AI) stay in the loop and verify before shipping.
About FaultFixer on Product Hunt
“For websites & apps to self-heal themselves.”
FaultFixer was submitted on Product Hunt and earned 7 upvotes and 7 comments, placing #66 on the daily leaderboard. Every website and app, vibe-coded or not, hides front-end and server errors in the background, especially once there are real users. FaultFixer catches these issues, generates an AI-powered diagnosis, & notifies you across multiple channels. The magic: it plugs into Claude, Codex, Cursor & other AI tools beautifully over MCP so your AI fixes the bug with full context. And, you always keep staying inside your AI tool. Just say "list issues" to your Claude, Cursor.. (and "fix issues" later on).
On the analytics side, FaultFixer competes within Developer Tools, Development and Vibe coding — topics that collectively have 522k followers on Product Hunt. The dashboard above tracks how FaultFixer performed against the three products that launched closest to it on the same day.
Who hunted FaultFixer?
FaultFixer was hunted by Umut Muhaddisoglu. 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 FaultFixer including community comment highlights and product details, visit the product overview.
Umut Muhaddisoglu