Hi, I'm Yupei, currently studying at Carnegie Mellon University. I feel ridiculously lucky to be building in the AI era, where curiosity, taste, and a small dose of engineering can turn into real leverage. Reach me at yupei@xiaotian.dev.
- 🍎 My dream job is to be an Apple Genius at an Apple Store.
- 📚 In 15-410, I was honored to receive an A on P3 from David R. O'Hallaron, co-author of CS:APP, and to be recommended as a TA.
- 🏷️ My girlfriend and I share the same nickname: Xiaotian (小田).
I'm currently vibe-coding small Rust tools and AI skills that make local workflows faster, weirder, and more agent-friendly.
- 🦀 What if you have 10 ChatGPT Plus accounts and have to log in and out every 10 minutes? Replace Codex with cx.
- 💬 I'm too lazy to even copy-paste chat history into AI, so I let tg read it instead.
- 🌐 bro, this is the best browser-use tool I've seen in the last 10 years.
- 💸 Want to keep up with financial performance? money, but queryable.
- 🔐 Did you know macOS already has a native secret key-value store, so your API key does not need to live in
.env? - 🧰 My agent is not smart enough to nail everything, so here are my skills.
- PKU-Thesis-Download is a 纯手工古法打造 user script that downloads theses from 学位论文.
- Bypass Cloudflare for GitHub Action: never receive 403 Forbidden from Cloudflare again.
- typst-cv: A modular resume template to help you survive the 2026 job market.