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AGENTS.md vs CLAUDE.md vs .cursor/rules: one rules file for Cursor, Claude Code and Codex

If your team uses more than one coding agent, you've probably got three files saying the same thing slightly differently. Here's what each tool actually reads, according to its own docs, and a setup that keeps one source of truth. What each tool reads Codex ( docs ) reads AGENTS.md . It checks ~/.c…

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  1. 2026-10-31 15:33 · DEV Community — AI
    AGENTS.md vs CLAUDE.md vs .cursor/rules: one rules file for Cursor, Claude Code and Codex

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