Three scales. One throughline.
Production work with real users on the other end — plus the proof that it holds up.
I turn ideasinto products peopleactually use.
AI engineer & builder — Google-scale agents, clinical AI, and a steady stream of things made for fun.
See the work ↗Trajectory
Where ideas become products
Three very different scales, one throughline: take a fuzzy idea, carry it to something real, prove it holds up. Google-scale consumer agents. Zero-tolerance clinical AI. Small delightful things on weekends.
Google — Agentic Checkout → I/OAbridge — clinical AIIndie — fun projects
Agentic Checkout
An AI agent that completes multi-step purchase flows in production.
Shipped at Google I/OWebby 2026 · Best AI AgentPlanning · tools · recovery
Read the story ↗Abridge · ClinicalNoteGen & Evals
AI clinical notes where reliability is the product.
LLM-as-judge calibrationGolden & challenge setsPromotion gates
Read the story ↗Indie · Full-stack AIStyleMe
AI personal stylist & virtual try-on, end to end.
Multi-agent orchestrationVisual generationUser memory
Read the story ↗…and
shipping.
Fun Projects
Small things, actually shipped.
Most months something new ships — agents, models, systems, toys. Nine of them live here.
All repos on GitHub ↗yexin 野心PYCareer intelligence engine — multi-agent macro view of healthcare AI, mapped to a 点线面 strategy framework.PRIVATE
gemma-finetuneSHELLQLoRA fine-tune Gemma 4 on your data — validated recipe + Nebius infra skill.PRIVATE
longevity-agentPYExpert-sourced longevity RAG assistant (Attia, Huberman, Ferriss).PRIVATE
LifeosPYConfig-driven planning OS for Claude Code — incl. today-yolo, a daily planner aggregating Calendar, Linear, Slack, GitHub.claude code skillawesome-agent-hubTSCurated list of high-quality reusable AI agents.★ 11hostvoiceTSAI-powered Airbnb guest reply assistant — built by a Superhost.PRIVATE
purrestSWIFTmacOS break reminder — atmospheric backdrop + cute illustration every 2 hours.open sourcevoice-builderTS帮你找到自己的 Voice — 输出倒逼输入。open source…and countingNew toys ship most months. Watch the colophon for what's next.→ github.com/MIAJIAHave an idea worth building?
mvp@zzn.im↗