Harness Engineering 101 agent tutorial published as a book

Harness Engineering 101 is a book-length tutorial series that explains how to build AI agents from first principles. Version 1.0 is dated September 2026. On October 19, 2026, Hacker News' front page carried a report on the tutorial, summing up its theme as "the LLM is the brain, the harness is the body." The report covers the tutorial's approach, its book format and the version date. It does not mention later versions or update plans.

Written by AI from the coverage · updated 1 hour ago

Not enough continuous observations to draw a trend yet.