Elliot's Harness Lab

Builder notes for practical AI

Elliot Bai: AI Agent, FDE, and Vibe Coding Field Notes

Serial entrepreneur and co-founder of Mew.Design. Built an Android parking payment system, worked on Chia mining machine R&D, and spent time inside large tech companies.

I built the world's first design Agent: Mew.Design. Today I explore how AI creates value in real companies, real products, and real workflows.

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Working fields / 03

Focused On

  1. 01 Enterprise AI Transformation Enterprise Harness, FDE, and enterprise Agents
  2. 02 Agent Framework Research Multi-Agent, Sub-Agent, Memory, and Agent Loops
  3. 03 Production AI Coding From Cursor and Claude Code to Codex

Recent publishing

Recent Field Notes

All Posts
  1. 01 Developers Asked Where ZCode Was Sending Their Git History. Zhipu Launched Another Model. Vibe Coding
  2. 02 Why Feishu/Lark Documents Can Still Be Exported via API After Downloads Are Disabled Enterprise AI / FDE
  3. 03 Things to Consider Before Being an FDE in China Enterprise AI / FDE
  4. 04 Loop Engineering in Practice: How I Let AI Work on Its Own in a Million-Scale ARR Product Vibe Coding
  5. 05 Codex Series 01: I Gave an A-Share Account to AI. One Month Later, It Doubled Vibe Coding
  6. 06 What Is Loop Engineering? What a Year of Building MewDesign Taught Me Vibe Coding
  7. 07 Going Global on Zero Budget: How We Reached Paid Users in 80+ Countries with SEO Design Agent
  8. 08 Why AI Design Agents Should Speak HTML Design Agent