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Project Context File Comparison
GeneralCLAUDE.md vs .cursorrules vs copilot-instructions
Each AI coding agent has a different file for receiving project context. However, the core content (coding rules, architecture, prohibitions) is the same, so it is efficient to write one well and copy it to each tool's format.
How to Use
1
Claude Code: CLAUDE.md + .claude/rules/*.md
2
Cursor: .cursorrules
3
GitHub Copilot: .github/copilot-instructions.md
4
Codex: AGENTS.md (OpenAI)
Tags
#context
#rules
#comparison
#cross-tool
Source
Community Best Practice