50 DeepSeek agents pulled apart an old game's code and found over 100 new functions for 2 dollars
Ran up to 50 concurrent DeepSeek subagents reverse-engineering C code from an old PC game, finding over 100 new functions for about 2 dollars.
$2
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Hobbies
Making things, learning and having fun · 988 ideasHe built an Android app for the Magic league he plays with his wife, with life trackers that log wins and rounds on their own
He and his wife play in a Magic: The Gathering league where they open new product every month and keep rotating their deck builds and strategies. The tracking used to live in spreadsheets and note apps. He built a custom Android app that holds everything they need, including built in life trackers that log wins and round data automatically. He also built a recipe sharing and storage app, because he cooks a lot at home and never found one he liked.
My bot cleaned up my Notion and retagged 1,100+ bookmarks
His Notion had 805 random tags because too many AI agents were writing in it. He made a bot to clean it up, and about an hour later it had fixed 12 tags and retagged more than 1,100 bookmarks. Keeping the workspace tidy is now the bot's only job.
I know nothing about 3D. The AI built my character into a talking 3D model in five days.
He wanted his AI character AYN to move and talk like a VTuber. The AI drew the art, Tripo made the 3D shapes, and the AI drove Blender by script to build, fix and export the model, while he only looked at the renders and said what looked wrong. The finished model has 16 expressions and lip sync that follows the expression.
He had an agent lock down his home network and check the DMZ
He got Astra to go through his network and DMZ. It confirmed all port forwarding was off, hardened his media services, and found 5 PHP apps on the network, none of them running.
My WhatsApp agent deleted 300 abandoned accounts from my backlog
He tried Instinct, an agent that lives in WhatsApp, and threw his personal backlog at it. It deleted 300 abandoned accounts and also handled buying things and filling in forms.
An agent skill ('PIL') that turns an Instagram saved collection into a private, searchable personal library
A builder created a skill that converts a user's Instagram saved collection into a private, searchable personal library. Every saved post is deep-read by vision AI, and everything runs on the user's own machine.
An agent patched my dead game so it plays offline again
His Steam copy of Star Trek Legends would not start after its servers shut down, and Steam would not refund him. He gave GPT-6 Astra the game's files and logs; it found the online checks blocking startup, patched them out in two rounds, and packaged the fix as an installer. He has played missions and loaded his saved progress since.
My agent writes alt text for my photos before I post them
He is a photographer who found typing alt text for every photo slow going. He built a small agent on his own n8n server: he sends a photo through an Apple shortcut, the agent reads the picture with a local Qwen model, adds the camera data, and saves the finished alt text in an Obsidian note, ten photos at a time.
The AI turned his 4.5 hours of event footage into 10 finished videos
He filmed about 4.5 hours at a village event weekend with no plan to edit it. Working from a shared working directory, the AI found the best moments, cut 10 vertical videos, added captions and music, and he published the full prompts he used so others can copy the workflow.
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.