- What changed
- A 16-chapter guide on harness engineering was published, detailing how to build and maintain the program loops that support stateless LLM agents.
- Why you should care
- Understanding the harness pattern helps developers address common stateless LLM limitations and agent loop failures.
- Your move
- Watch. Review the book chapters to understand foundational patterns before designing custom agent loops.
- What to watch next
- Future updates or additional chapters released in the open-source repository.
- Event
- research
- Event date
- Oct 19, 2026
- Relevant to
- General AI readers