Rules, side by side
Every rule fact across the tools — widest support first. A filled cell shows that tool's own name for it; hover for its meaning.
| concept | support | Claude Code not shipped | Codex | Cursor |
|---|---|---|---|---|
| alwaysApply | 1/3 | — | — | |
| decision | 1/3 | — | — | |
| description | 1/3 | — | — | |
| globs | 1/3 | — | — | |
| justification | 1/3 | — | — | |
| match | 1/3 | — | — | |
| not_match | 1/3 | — | — | |
| pattern | 1/3 | — | — |