Adopt repository-level harness engineering for coding agents. Use when a user wants to prevent repeated AI coding-agent mistakes by turning failures into durable instructions, drift checks, regression tests, failure memory, and adoption reports tailored to the target repository.
Install
npx skills add github/awesome-copilot --skill harness-engineeringnpx skills add github/awesome-copilot --skill harness-engineering -a claude-code -gnpx skills add github/awesome-copilot --skill harness-engineering -a codex -ggemini skills install https://github.com/github/awesome-copilot.git --path skills/harness-engineeringgh skill install github/awesome-copilot harness-engineeringgit clone --depth 1 https://github.com/github/awesome-copilot /tmp/github__awesome-copilot
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/github__awesome-copilot/skills/harness-engineering ~/.claude/skills/harness-engineering # Claude Code
cp -R /tmp/github__awesome-copilot/skills/harness-engineering ~/.agents/skills/harness-engineering # Codex, Cursor, Gemini CLI, Copilot, OpenCode