Harness Training

Project Repository: https://github.com/workofart/harness-training So I recently wanted to see whether an AI agent could self-improve a harness to solve terminal bench tasks. To align on the definitions, “harness” means the system (e.g. Claude Code, Codex, ChatGPT web interface etc…) wrapping around the model (e.g. GPT-5.5, Claude Opus 4.7 etc…) that...