IMPROVING DEEP AGENTS WITH HARNESS ENGINEERING

Summary from the TLDR AI newsletter

LangChain's coding agent went from Top 30 to Top 5 on Terminal Bench 2.0 with just a harness change. This post discusses the team's approach to harness engineering. The goal of a harness is to mold the intelligence of a model for tasks you care about. Self-verification and tracing help a lot.