Expired50% confidenceFactExact time
Cursor uses .cursor/rules to configure skill rules, while Codex uses AGENTS.md to configure skill rules.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
Anthropic Skills Mechanism Explained: An Open Standard for Giving AI Installable Skill Packs
bilibiliValleyAI6/21/2026
Related Claims
VerifiedCursor Rules injects rule content as system prompts into the context of every AI conversation via a .cursorrules rule file, enforcing constraints on code style and technology choices.72% similarVerifiedThe Skill mechanism in Cursor is called Rules, and in Claude Code it is called CLAUDE.md; both are essentially mechanisms that guide the direction of AI generation through preset context constraints.71% similarUnverifiedCursor 1.0's memory system contains three levels: user rules, project rules, and memory rules.70% similar
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