Expired60% confidenceFactExact time
Claude Code uses the CLAUDE.md file to carry project-level rules, while Codex uses the agents.md file.
2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
Dissecting Cursor's Technology: Why IDEs Are Being Agent-ified
bilibili林森夏AI6/13/2026
Related Claims
UnverifiedClaude Code's memory file is named claude.md, corresponding to agent.md in Codex.82% similarUnverifiedClaude Code does not support the agents.md standard and only recognizes the claude.md format, while tools such as Cursor, Codex, and Builder.io already support the universal agents.md standard.77% similarVerifiedCLAUDE.md是Anthropic推出的Claude Code所支持的一种项目级配置文件76% similarUnverifiedThe claude.md file (or its open-source equivalent agents.md) is applicable to tools such as Claude Code, OpenCode, Zest, Cursor, and Codex.76% similarUnverified不同工具规则文件名不同：Claude使用CLAUDE.md，OpenCode等工具使用AGENT.md73% similar
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