AGENTS.md
Harness
A shared instructions file for a project that many agents read. Codex, Cursor and others use it, so it is a vendor-neutral counterpart of CLAUDE.md.
Source: AGENTS.md official site
Where it appears · 4
- AI agent = LLM + harness · Harness
- Will AI agents take your job · Harness
- Harness engineering in practice · Harness
- AGENTS.md and CLAUDE.md, specs, rules and skills · Specs and context