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  • sin
  • beijing

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toolazytoname/README.md

Hi, I'm lazy 👋 (懒得起名)

Ex-big-tech infra engineer, now an indie dev with ski/climbing/swim instructor certs.

📍 Beijing · 🛠️ Building tools I actually use, with AI · ⛷️🧗🏊 Ski / climbing / swim instructor & lifeguard

At a leading tech company I built the industry's first in-house Swift compilation cache (cut build times by 50%, served 71% of all company builds) and an LLVM-based iOS privacy-scanning toolchain, with 4 patents. Now I ship my own tools.

🚀 Products (live)
🐰 小兔头节拍器 Online metronome for piano practice repo · WeChat Mini Program
📅 GridGo Calendar-first todo app repo · in beta
🏔️ Lodge Your private home base for servers, services & secrets — one HTML file, zero servers, E2E encrypted repo

🛠️ Tools & Infrastructure

  • atelier — macOS + Claude Code, isolated in a disposable Linux VM. Your host stays clean.
  • autodev-harness — Autonomous AI-driven development harness with independent quality loops. Say one sentence, walk away, come back to a high-quality result.
  • Sentinel — Disciplined crypto quant trading system. LLM never places orders; discipline is encoded in a state machine.
  • MediaForge — Local-first media toolbox · image & video utilities, all on-device.
  • wechat-mp-devops — WeChat MiniProgram CI/CD & DevOps playbooks, packaged as a Claude Code skill. Drop into any Mini Program project.

TypeScript Python Node.js Objective-C Shell Docker

✍️ Writing

  • Blog: weichao.ren — build systems, indie hacking, and everything in between.
Off-screen
  • ⛷️ Ski instructor (alpine + snowboard)
  • 🧗 Rock climbing instructor
  • 🏊 Swim instructor & certified lifeguard
  • 🤿 PADI Advanced Open Water Diver
  • Coding and sports share one thing: the joy of getting better at something real.

📫 Connect

Blog Email

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  1. Sentinel Sentinel Public

    稳健型个人加密货币量化系统。freqtrade 地基 + 自建薄壳，纪律写进状态机，LLM 只做研究/复盘/否决。

    Python 2

  2. autodev-harness autodev-harness Public

    全自动 AI 开发系统 · Autonomous AI-driven development harness

    Python

  3. MediaForge MediaForge Public

    本地媒体处理工具集 · Image & video utilities, all on-device.

    Python

  4. atelier atelier Public

    macOS + Claude Code, isolated in a disposable Linux VM. Your host stays clean.

    Shell

  5. GridGo GridGo Public

    极简日历待办 · Calendar-first todo app

    HTML

  6. lodge lodge Public

    Your private home base for servers, services, and secrets

    HTML