HAR: open agent harness (CLI + MCP) for coding agents. Isolated worktrees, deterministic verify, software factory workflows for Claude Code, Cursor, and Codex.
Latest release v1.16.1 · 3 Nov 2026
5 files for Claude Code, Codex and OpenCode: factory-line, new-plugin, v1-milestone, har AGENTS.md and 1 more — 4,803 tokens loaded in every session.
AGENTS.md A 4,798 tok CLAUDE.md A 5 tok .claude/skills/factory-line/SKILL.md A 101 tok .claude/skills/new-plugin/SKILL.md A 89 tok .claude/skills/v1-milestone/SKILL.md A 110 tok These files are os-factory/har'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.