Developer of 6 years here, been using AI increasingly over the last year for most of my work. A few weeks back I picked a few coding challenges and tried to solve them without an assistant. This felt impossible. What?! I mean I still read code every day, I just don't write it anymore. I could read and review the solution easily, but writing it myself felt like speaking a language I understand but cannot speak. Being the data hoarder I am, I immediately wanted numbers, so I built Muscle Memory. It covers 12 languages and your code runs in a network-denied sandbox in your browser. Free, no account needed. I want it to be a place to keep your hands sharp: short tasks, clear prompts, and difficulty that comes from solving the problem rather than figuring out what the question means. About the data: with your consent, it records your practice as raw events, including keystrokes, runs and submissions. I'm hoping to build an open dataset of how we write code in the AI era. There aren't findings to share yet. “Stealth” mode keeps your data out of published findings, and you can export or delete your recorded practice. I'd especially like to hear what surprised you about your first attempt. https://musclememory.run The code is MIT-licensed: https://github.com/ekkuleivonen/muscle-memory   submitted by   /u/IntroductionFlimsy56 [link]   [comments]