How This Ex-Meta L8 Engineer Ships 40 PRs a Day with AI Agents | Kun Chen

About this episode

Kun Chen discusses how he ships 40 PRs a day using AI agents and free tools he developed.

Kun is an ex-L8 principal engineer at Meta and Microsoft who now ships 40 PRs a day without manually reviewing code. In our episode, he walked through the free tools he built to make that possible: Lavish for visual planning in HTML artifacts, Treehouse for parallel agents, and No Mistakes for catching AI coding errors before they make it to production. Kun and I talked about: (00:00) Why he doesn't review code anymore (01:04) Agentic engineering: Plan, code, validate (06:22) Demo: Fixing an AI tutor screen with agents (08:40) Demo: Why HTML is better than markdown for planning (19:53) How to turn a rough idea into an AI-ready spec (23:21) How Kun runs 20-30 agents in parallel (32:04) No Mistakes: Kun's free AI code review tool (45:19) What Kun checks before merging AI-written code (50:18) How to get better at agentic engineering Thanks to our sponsors: Linear: The AI agent platform for modern teams https://linear.app/behind-the-craft Wispr Flow: 4x faster than typing with your voice https://ref.wisprflow.ai/peteryang Riverside: All-in-one AI studio for podcasts and video https://creators.riverside.com/PeterYang 📌 Get the takeaways…

People in this episode

Host: Peter Yang

Guest: Kun Chen

Topics covered

• AI agents
• code review
• software engineering
• productivity tools
• automation

Keywords

• AI coding
• code review tools
• agentic engineering
• software development
• productivity

Sponsors

Linear, Wispr Flow, Riverside

Mentioned in this episode

Organizations: Meta, Microsoft

Products: Lavish, Treehouse, No Mistakes

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