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18 bookmarks by @mattshumer_

The people building AI are scared. We still have a chance to get this right. If someone told you there was a 10 percent chance the plane you're boarding tomorrow would crash, would you get on it? In February, I wrote an essay called [Something Big is Happening](…↗

Token crowdfunding would be an incredible unlock for mega-projects like this. With enough tokens, I’d bet Astra could build a world-scale GTA-style game. Imagine if everyone could contribute their tokens… people would be able to build unbelievable things.↗

·@mattshumer_·Sep 4, 2026·essay·astra·token-crowdfunding

Super early preview of what I'm spending all of my Fable 5.1 tokens on. A GTA-style open-world multiplayer game, set in NYC. Fable will iron out some kinks over the next day or so, and then you all can play it! I'll keep the loop going so it keeps getting better.↗

·@mattshumer_·Sep 2, 2026·launch·fable-5-1·gta-style·multiplayer·nyc

Claude Opus 5 one-shotted this game. EVERYTHING you see in this demo is custom code... not a single external asset was used. AI games are going to be amazing. (sound on)↗

From Claude: Engine: Three.js r180 (v0.180.0) on WebGL2 — no game engine, no physics library. three is the only runtime dependency; the build tooling around it is Vite 7 for bundling, plus Playwright for the headless screenshot/profiling harness. Almost everything you'd normall…↗

Claude Fable can run autonomously for days. This is the single highest-leverage prompt I use to stay on top of it: "Spin up a persistent HTML page. As you work, append clear, timestamped updates with screenshots/media so I can follow along." Literally a 10x better experience.↗

Introducing UNSLOP! Stop your AIs from generating SLOP. For example, ask it to 'unslop landing pages'. It'll generate hundreds of sites and find 'slop' patterns, then build a skill to make sure they are NEVER seen again. Open-source! Star it here: github.com/mshumer/unslop↗

·@mattshumer_·Mar 18, 2026·tool·ai·dev-tools·open-source·unslop

I've been testing GPT-5.4 for the last week. In short, it is the best model in the world, by far. It's so good that it's the first model that makes the “which model should I use?” conversation feel almost over. The biggest surprise: I barely use Pro anymore! If you know me, y…↗

·@mattshumer_·Mar 5, 2026·essay·ai-models·coding·gpt-5-4·openai

Prompting tip to make Cursor's new MAX mode significantly more effective and reliable: Make sure thinking is turned on. Start by clearly stating your goal. End your prompt with: "But before we start, I want you to fully explore and understand the existing codebase. Don't write…↗

·@mattshumer_·Mar 19, 2025·tutorial·ai·code-understanding·cursor·prompting