The AI built his comment-quality extension for this very site in about 10 minutes
The AI plus Jev built a browser extension in about 10 minutes that ranks HN comments for sloppiness, which he uses to view HN.
A random mix from the whole library. Shuffle for a new set.
Hobbies
Making things, learning and having fun · 960 ideasI had the AI build a new website for a friend in about half an hour
He scraped a friend's two social media profiles, made a plan, and had the AI create a website for them. In about half an hour he had a site to show them.
My AI assistant files notes and fixes links in my vault daily
He lets an AI assistant work in his notes vault every day. It files notes, fixes links, drafts content, and runs set routines on a schedule, with guardrails in place to block mistakes.
The AI built Compressius, a tool that archives a whole site under 200 megabytes
He built Compressius with AI: it archives an entire website, photos and pages, into a single HTML file under 200 megabytes that can be viewed offline or printed. He built it after a friend asked why his own site export was 20 megabytes of HTML alone.
The AI fixed my VR headset setup on Linux and solved my debugging problem
The AI patched the MDQH app to work on Linux with his Bluetooth adapter, worked out how to keep certain permissions over ADB, and wrote a small APK that turns on wireless ADB by itself. He says debugging is now solved.
I spent an evening teaching the AI to drive a car. It kept stopping.
He spent an evening trying to teach the AI to drive a car. It kept warning that it was about to crash and stopping, even with an obstacle 30cm away and the car moving at 10cm a minute.
This one went wrong. See what happened before you try it.
Build the retro JRPG I grew up wanting to play
A fan of FF6 and Chrono Trigger spent four days going back and forth with AI to build Crimson Oath, a free SNES-style JRPG that runs in the browser with two chapters, four party members, ATB battles and 31 music tracks in six languages. Every sprite and song lives in code — the game loads no image or audio files.
An autoformalizer produced a complete Lean version of a 2019 paper
A researcher ran his LLM based autoformalizer on a 2019 mathematics paper and produced a complete Lean formalization of it. The finished formalization is linked from his university page. The note is short, but the artifact is public and complete.
The AI worked out his home server setup and wrote a remote unlock tool for it
A home server owner had the AI study his running server and turn the setup into Ansible files, which they refined together until it worked. The AI also wrote a small tool that unlocks the server encrypted disk from another machine, which he now uses.
The AI bought his concert ticket and put it on his calendar
The AI opened a browser, created an account on the ticket site, picked his concert ticket, and paused for his approval in the app before paying. The confirmation email arrived and the AI added the concert to his calendar.
Every idea is a real post from someone who tried it, summarized in our words, with a link to the original. App names are swapped for plain words.