Newsletter — Agent Harness Engineering Patterns, Weekly

Production-tested agent harness patterns, delivered weekly. No hype, no fluff.

Every week, you get deep dives on the infrastructure that makes AI agents reliable in production:

  • Architecture patterns — verification loops, checkpoint-resume flows, cost envelope management
  • Production war stories — real failures, root causes, and the fixes that worked
  • Framework evaluations — honest assessments of LangChain, CrewAI, AutoGen, and more
  • Industry analysis — what’s genuinely advancing vs. what’s recycled hype

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Who writes this

Written by Kai Renner, PhD in Computer Engineering with 10+ years building AI/ML systems in production. Every issue draws from real deployments — not documentation rewrites.