Add agentic-harness-engineering: observability-driven harness evoluti… · ai-boost/awesome-harness-engineering@a6dd8e0 · GitHub

- [AutoAgent](https://github.com/kevinrgu/autoagent) — Open-source library (April 2026) that automates the harness engineering loop itself: give it a task and a benchmark, and it iterates overnight on system prompts, tool configurations, agent orchestration, and routing — keeping or discarding each change based on score. In a 24-hour run, hit #1 on SpreadsheetBench (96.5%) and the top GPT-5 score on TerminalBench (55.1%), beating every hand-engineered entry. The `program.md` separation of concerns (human writes the directive, agent engineers the harness) is the most practical meta-harness pattern published so far.