A template project for harness engineering and grounding long running agentic AI coding swarms of agents
8 files for Claude Code, GitHub Copilot, Codex and OpenCode: PreToolUse, PostToolUse, Stop, Harness_Engineering and 4 more — 6,305 tokens loaded in every session.
.github/copilot-instructions.md A 349 tok .github/instructions/harness.instructions.md A 159 tok AGENTS.md A 1,609 tok CLAUDE.md A 4,188 tok .claude/settings.json A — .claude/settings.json A — .claude/settings.json A — .claude/settings.json A — These files are ArtemisAI/Harness_Engineering's own configuration — they tell Claude Code, GitHub Copilot, Codex and OpenCode how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.