Claude Code CLAUDE.md vs settings.json: which one controls what (and why it matters)

📰 Dev.to AI

Understanding the difference between CLAUDE.md and settings.json in Claude Code is crucial for configuring its behavior correctly

intermediate Published 2 Apr 2026
Action Steps
  1. Identify the purpose of CLAUDE.md
  2. Determine the function of settings.json
  3. Keep configuration settings separate and organized
  4. Refer to documentation for specific use cases
Who Needs to Know This

Developers and software engineers working with Claude Code need to understand the distinction between these two files to avoid configuration issues and ensure seamless integration

Key Insight

💡 CLAUDE.md and settings.json serve distinct purposes in configuring Claude Code's behavior

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🤔 CLAUDE.md vs settings.json: know the difference to configure Claude Code correctly!

Key Takeaways

Understanding the difference between CLAUDE.md and settings.json in Claude Code is crucial for configuring its behavior correctly

Full Article

Claude Code CLAUDE.md vs settings.json: which one controls what (and why it matters) If you've been using Claude Code for more than a week, you've probably edited both CLAUDE.md and .claude/settings.json — and at some point wondered: which file should this go in? They look similar. They both configure Claude's behavior. But they control completely different things, and mixing them up leads to frustrating results. Here's the complete
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