The AI invented a way to hear sheet music from a screenshot, and out came a WAV
The AI invented a music OCR approach and turned a sheet music screenshot into a WAV file.
A random mix from the whole library. Shuffle for a new set.
Hobbies
Making things, learning and having fun · 988 ideasMy VRChat night lounge, built with GPT-6 Astra, is live
He built a VRChat world with GPT-6 Astra and published it. The world is a high rise lounge based on Roppongi, with night views, space to chat, and a game to play.
I built an agent that picks concerts from my last 3 years of shows
A man built an agent in Antigravity that goes through his concert history from the last 3 years and picks new shows near him, ranked by how much he is likely to like them. It also filters shows by 18 plus or all ages, so he can take his daughter.
Opus runs a swarm taking apart a GameCube game, merging hourly while he only checks in
Opus orchestrates an agent swarm decompiling a GameCube game in worktrees, with hourly merges verified by tooling and 3 review rounds, he only checks in.
This only partly worked. Worth knowing before you try it.
An LLM decoded his drawing tablet's packets in 15 minutes and connected it anywhere
Sicced an LLM on Wacom Bluetooth and USB packets to connect it to an unsupported system; it decoded everything in 15 minutes.
15 minsaved
Build me a chess dashboard with a snarky coach
In the same interview, Alex Cornell mentions the AI built him a chess dashboard that analyzes his games with a snarky coach persona (segment from 29:39). It sits alongside his golf tracking as one of the personal dashboards he actually lives with.
After 12 years on WordPress, I rebuilt my site with AI
After 12 years on WordPress, his site The BIMsider has a new home. He rebuilt it with AI, with a fresh look and new features.
The AI built a board-game engine and trained a bot that beats the best open bot
The AI fully vibed a fast Splendor engine and trained a playable bot that decisively beats the best open-weights Splendor bot he could find.
The AI reverse engineered a PS2 game in 3 hours. It mostly plays.
He had the AI reverse engineer a PlayStation 2 game he had the bytes for. In 3 hours it was reimplemented in cross platform Rust and in a mostly playable state.
This only partly worked. Worth knowing before you try it.
Her agent 'Jarvis' runs her day (gym, meals, proposals) and built a 'Specimen Split Tracker'
Lennster named his agent 'Jarvis' to stay organized through a life overhaul: it checks his daily calendar (walking, content, gym, lunch, proposals, dinner, work), found protein-meal restaurants in Jimbaran (Healthy Tribes, Menega Cafe, Fit Bowl Bali), and built a 'Specimen Split Tracker' logging weights, reps, and PRs (Zercher squat, Bulgarian split squat, neck curls).
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.