AGENTS.md compatibility
The agent reads the cross-agent AGENTS.md format used by multiple coding tools
Baseline Newly available Fully supported by every tracked agent since Sep 2026, when Claude Code added it. Widely available from Mar 2027. Based on web.dev's Baseline
Interop 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 2.1.277 - 2.1.311
0.2.0 - 0.164.0
0.0.374 - 1.0.103
1.0 - 3.27
0.1.30 - 1.19.4
2.1.0 - 2.1.257
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0.45 - 0.50
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0.2.31 - 2.0.77
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Supported by all 5 agents.
HoverTap any cell for version details.