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shuaiyafei/README.md
Software engineer building practical AI agents, developer tools, and thoughtful web experiences.

Personal website ↗   ·   Open-source work ↗   ·   Say hello ↗


I build web applications, developer tools, and practical AI workflows. Mostly TypeScript, with a soft spot for clear APIs and the small details that make software easier to use.

I like understanding a system before changing it, keeping the implementation simple, and leaving a regression test for the next person who finds that edge case.

What I build

  • Thoughtful interfaces — accessible, dependable experiences with React and Vue.
  • Tools for builders — type-safe APIs, reliable workflows, and less friction between an idea and a working product.
  • Practical AI — agents and integrations that do something useful.

TypeScript   /   JavaScript   /   React   /   Vue   /   Node.js   /   Vite

Building in the open

I contribute by tracing bugs, tightening types, and making everyday tools a little more reliable.

Public GitHub pull requests, merged pull requests, open pull requests, and public repositories. Refreshed daily.

Some communities I've been contributing to:

  • LangGraph.js — infrastructure for stateful AI agents.
  • Vue DevTools — making developer tooling more dependable.
  • Koa — small, focused improvements to a familiar web framework.

A year in motion

An animated snake tracing my GitHub contribution calendar.

Build with intent. Leave it clearer.

Pinned Loading

  1. codecrafters-io/build-your-own-x codecrafters-io/build-your-own-x Public

    Master programming by recreating your favorite technologies from scratch.

    Markdown 554k 52k

  2. react/react react/react Public

    The library for web and native user interfaces.

    JavaScript 251k 51.5k