Reference harness for agentic coding. Six layers configured for Claude Code, with adapter docs for Cursor, Codex CLI, Aider, Cline, Windsurf. Companion to svenschulte.ch/blog/harness-engineering
9 files for Claude Code, Codex and OpenCode: SessionStart, PreToolUse, agentic-harness, review-pr and 5 more — 4,152 tokens loaded in every session.
AGENTS.md A 2,076 tok CLAUDE.md A 2,076 tok .claude/settings.json A — .claude/settings.json A — .claude/settings.json A — .claude/skills/review-pr/SKILL.md A 89 tok .claude/skills/save-memory/SKILL.md A 74 tok .claude/skills/ship-pr/SKILL.md A 80 tok .claude/skills/wrap-up/SKILL.md A 57 tok These files are sevenschulte/agentic-harness's own configuration — they tell Claude Code, 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.