Newsletter

Learn the engineering patterns behind reliable AI agents. Weekly lessons from production.

Every week, you get practical lessons on building AI systems that work beyond the demo stage:

  • Harness engineering patterns — verification loops, context management, checkpoint-resume flows
  • Career guidance — skills, interviews, and career paths for the emerging harness engineer role
  • Production lessons — what actually breaks when you ship agents at scale
  • Framework tutorials — hands-on guides for LangChain, CrewAI, AutoGen, and more

Subscribe

No spam. Unsubscribe anytime. Your email stays private.

Who Writes This

Written by Kai Renner, PhD in Computer Engineering with 10+ years building AI/ML systems in production. Every issue comes from real experience building and operating agent systems at enterprise scale.