Settings Files in AI

# User-level settings
~/.claude/settings.json         # Global configuration
~/.claude.json                  # User state (projects, MCP, etc.)
~/.claude/.credentials.json     # Auth token (macOS uses Keychain)

# Project-level settings
.claude/settings.json       # Project configuration
.claude/settings.local.json # Local overrides (gitignored)
CLAUDE.md                   # Project instructions

# Directory structure
.claude/
├── settings.json          # Project config
├── settings.local.json    # Local overrides
├── commands/              # Custom commands
├── agents/                # Custom subagents
├── output-styles/         # Custom styles
└── hooks/                 # Hook scripts