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Anysphere · Cursor editor · Cursor CLI
Cursor rules files explained
Which instruction files Cursor reads (.cursor/rules/*.mdc, AGENTS.md, .cursorrules (legacy)), where to put them, and how to convert from other agents.
Files Cursor reads
.cursor/rules/*.mdcAGENTS.md.cursorrules (legacy)
AGENTS.md: Yes.
Skills folders: .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Who reads what
| Agent | Rules files | AGENTS.md |
|---|---|---|
| Claude | CLAUDE.md, .claude/rules/*.md | Only when no CLAUDE.md exists (per research notes, Oct 2026; verify) |
| Codex | AGENTS.md | Yes (AGENTS.md originated here) |
| Cursor | .cursor/rules/*.mdc, AGENTS.md, .cursorrules (legacy) | Yes |
| Copilot | .github/copilot-instructions.md, .github/instructions/*.instructions.md, AGENTS.md | Yes |
| Antigravity | GEMINI.md, AGENTS.md | Yes (per research notes; verify) |
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