Expired50% confidenceFactExact time
Different tools use different rule file names: Claude uses CLAUDE.md, while tools such as OpenCode use AGENT.md.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/20/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 10/18/2026(expired)
Sources
Related Claims
UnverifiedThe claude.md file (or its open-source equivalent agents.md) is applicable to tools such as Claude Code, OpenCode, Zest, Cursor, and Codex.77% similarUnverifiedClaude Code uses the CLAUDE.md file to carry project-level rules, while Codex uses the agents.md file.73% similarVerifiedThe core carrier of Claude Code's Skills is the CLAUDE.md file, placed in the project root directory or a specific directory.70% similar
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