📍 Beijing | 💼 Principal Software Engineering Manager @ Microsoft

Reinventing the developer experience by engineering my own evolution first. 15-year Microsoft veteran, now leading my team's AI transformation by writing code, not just memos.

• Building Copilot & Bing - Mobile app development at Microsoft, shipping AI-powered experiences to millions
• Exploring AI Coding - Agentic engineering and open source in my spare time (token maxing profile)
• Writing on lizheng.blog - Sharing thoughts on AI, coding, and the future of software development

• ✍️ signoff.now - Desktop-first developer workspace for digital signoff and approval workflows
• 🔓 unseal - Scan macOS quarantined apps and batch-unseal them interactively
• 🔥 firefly - Modern blog platform — Next.js 16 + Cloudflare D1 + R2, migrated from WordPress
• 🕊️ dove - Self-hosted email relay with webhook triggers, templates, and usage dashboard
• 🌊 flow - LLM-powered Chinese pinyin input method engine with DP segmentation
• 🔐 neo - Modern TOTP/HOTP authenticator — encrypted storage, 18+ import formats, PWA
• 🔔 codo - macOS menubar notification daemon and CLI — bridge for Claude Code and AI agents
• 🦇 bat - Lightweight VPS monitoring — Rust probe, Cloudflare Worker, Next.js dashboard
• 🐦‍⬛ raven - Copilot proxy for Anthropic/OpenAI APIs with usage dashboard
• ⚡ pika - AI coding session replay and search — parse, upload, and full-text search
• 🏟️ arena - Local AI coding agent debate platform — agents push solutions, humans review
• 🦓 pew - Contribution graph for AI-native developers — track token usage across tools
• 🦉 owl - macOS menu bar system health monitor via unified log stream anomaly detection
• 🦦 otter - macOS dev environment backup with snapshot diffing, cloud sync, web dashboard
• 🦎 gecko - macOS menu bar screen time tracker with cloud-synced dashboard
• 🦋 xray - Personal Twitter/X analytics dashboard with AI-powered reporting
• 🐢 backy - AI backup service for receiving, storing, previewing, and restoring backups
• 🤠 pew-game - Pixel art twin-stick prairie shooter with leaderboard (Play)
• 🎶 lyre - Audio recording management and transcription with word-level karaoke playback
• 🐬 r2shot - One-click screenshot capture, upload to Cloudflare R2, CDN URL to clipboard
• 🪶 shrike - macOS menu bar utility that syncs files and folders to Google Drive via rsync
• 🐙 hooky - Chrome extension to trigger webhooks from toolbar, context menu, or Quick Send
• 🔲 dotty - Pixel-brutalist dashboard template with monochrome geometry and stacked charts
• 🐑 wooly - Family perks dashboard — credit card rewards, insurance benefits, expiry alerts
• 🧩 matrix - Sci-fi dashboard UI kit with React and Tailwind for digital reality interfaces
• 🎨 basalt - Matte-dark design system engineered for high-density SaaS interfaces
• 🛡️ surety - Privacy-first, local-first family insurance policy management with Next.js
• 🧬 life.ai - Unified personal data hub for health metrics, location, and expense tracking
• 🚀 echo - API-only IP lookup service built with Bun and TypeScript
• 🧭 deca - Local-first macOS AI agent gateway with multi-channel support
• ⏰ runner - Declarative task scheduler for macOS that runs AI jobs via launchd
• 🔗 zhe - TypeScript URL shortener with clean links and analytics-ready storage
• 📰 geekhub - Self-hosted RSS reader with AI summarization and translation
• 💾 ccbackup - Backup and restore Claude Code configuration files
• 💰 noheir - Personal finance tracker for income, expenses, and assets with dashboards

Published on npm — install globally and use from your terminal.

• 🔓 unseal - Scan macOS quarantined apps and batch-unseal them interactively npm i -g unseal
• 🛡️ ipsafe - Validate network connectivity before executing commands npm i -g ipsafe

• 🩺 uptime-kuma-skill - Manage Uptime Kuma monitors — status, SSL certs, response times, and CRUD
• 📨 microsoft-teams-send-as-workflow - Send messages and Adaptive Cards to Teams via Webhook
• 🖼️ image-stitch - Seamlessly stitch multiple scrolling screenshots into a single image
• 🎙️ skill-faster-whisper - Fast speech-to-text transcription powered by faster-whisper
• 📨 skill-task-notifier - Notification service for monitoring and alerting on task execution status
• 🤖 mcp-work-history - MCP server for logging AI tool activities with metrics tracking
• 🔊 mcp-make-sound - MCP server that provides system sound playback for macOS

• 📊 infoviz - A lightweight JavaScript library for creating beautiful, interactive data visualizations
• ⚡ jsinst - A JavaScript instrumentation and performance toolkit
• 🛠️ infoviz-builder - Visual creator for InfoViz charts
• 🔌 nodehub - A hub for Node.js services
• 🏠 huran.cc - Art e-commerce platform connecting artists with collectors
• 📄 doc-doctor.com - Study abroad document service platform built with Node.js and Express
• 🔧 nodeviz - Node.js visualization toolkit
• 🌐 express-spa - Single page web app approach based on Express.js
• 🔧 discuz-recovery - Recovery Discuz! posts data from old backup
• 📬 feedmaid - An Express application which collects user feedback and visualizes them
• 📱 infoviz-ios - InfoViz on iOS
• 🖼️ node-image-uploader - A Node.js image uploader utility

• Who Are Friends, Who Are Enemies?
• Seven Types of Fragmentation in the AI Era
• Return of Apprenticeship in the AI Era
• Read more →

"己立立人，己达达人；己所不欲，勿施于人。"