Agent support · Instructions

Path-scoped rules

Instructions that only apply when the agent works with files matching a glob pattern

Baseline Limited availability Not in Codex and OpenCode. Based on web.dev's Baseline
Targeting Instructions
Supported
Partial
No
Unknown
Not released
Claude Code Current · Oct 2026
Codex Current · Oct 2026
GitHub Copilot Current · Oct 2026
Cursor Current · Oct 2026
OpenCode Current · Oct 2026
2.1.0 - 2.1.311
0.2.0 - 0.164.0
0.0.374 - 1.0.103
0.45 - 3.27
0.1.30 - 1.19.4
0.2.31 - 2.0.77
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Supported by 3 of 5 agents.

HoverTap any cell for version details.