Claude Code

What is the Claude Code config file location and format?

Last verified: July 2026 · 2 min read
QUICK ANSWER

The config file is located at '~/.config/claude-code/config.json'. It is a standard JSON file containing keys for your active model, custom system prompt, and registered MCP servers.

Configuration Locations

  • macOS/Linux: ~/.config/claude-code/config.json
  • Windows: %USERPROFILE%\.config\claude-code\config.json

Format Template

{
  "model": "claude-3-5-sonnet-20241022",
  "systemPrompt": "",
  "theme": "dark",
  "mcpServers": {}
}
Verified against: Claude Code CLI v0.2.5

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