Definition

What is CLAUDE.md? — Plain-Language AI Definition

A configuration file that provides persistent instructions, project context, and conventions to Claude Code across all sessions in a repository.

What is CLAUDE.md?

CLAUDE.md is a special markdown file that Claude Code reads automatically when it starts a session. It contains persistent instructions, project context, coding conventions, and workflow preferences.

What to Include

  • Project overview and tech stack
  • Architecture decisions
  • Build and test commands
  • Database conventions
  • Coding standards

Key Takeaway

CLAUDE.md is your project's instruction manual for AI. Keep it current, keep it specific.

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