CST

Hey, I'm Leo.

16-year-old full-stack dev from Beijing who builds things with code + AI. I make stuff, break stuff, learn stuff (hopefully). This is my corner of the internet to share what I'm up to and maybe connect with cool people.


What I'm up to (maybe):

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About my code...

I always learn by building things, and definitely with a lot of help from AIs. Copilot, Claude, ChatGPT, whatever AI I can get my hands on, they all help me figure out how to turn my ideas into reality.

Which is really cool.

Projects & random stuff I've built:

things i actually use

Not a skill tree, just a list of tools and tech I use pretty much regularly.

htmlcssjsreactvuevitenode.jspythondockerollamagitlinuxprompt engineeringself-hostingtypescripttailwindnext.js

My journey here:

2017

Started coding. school projects (scratch)

2018/19

Started learning a bit of everything (HTML, CSS, JS) and built my first personal site

2023

AI boom, started using AI tools to build websites/apps

2025

Using AI to assist building my current main project, ShutterWingPhotos (React, Vite, Node.js)

2026 (now)

Continously updating ShutterWingPhotos and building new projects that makes AIs Debate (llmgps)

Find me