CLAUDE_CODE_SANDBOX_LEAVE_PARENT_FOLDERS_ALONE

Updated October 23, 2026 by Alex Sorokoletov

CLAUDE_CODE_SANDBOX_LEAVE_PARENT_FOLDERS_ALONE is a Claude Code environment variable. Added in v2.1.299 and still present in v2.1.310. It is not in the official reference.

How to set it

For one session, export it in the shell that starts Claude Code:

export CLAUDE_CODE_SANDBOX_LEAVE_PARENT_FOLDERS_ALONE=<value>
claude

To apply it to every session, add it to the env object of a settings file:

// ~/.claude/settings.json
{
  "env": {
    "CLAUDE_CODE_SANDBOX_LEAVE_PARENT_FOLDERS_ALONE": "<value>"
  }
}

Related variables

• CLAUDE_CODE_SANDBOX_LEAVE_DENIES_TO_SRT_WIN
• CLAUDE_CODE_BASH_SANDBOX_SHOW_INDICATOR: Show indicator when bash runs in sandbox.
• CLAUDE_CODE_FORCE_SANDBOX
• CLAUDE_CHROME_PERMISSION_MODE: Permission mode for Claude for Chrome.
• CLAUDE_CODE_AUTO_MODE_CLASSIFY_EDITS: Turns the classification pass on: every edit runs through the classifier before it touches disk.
• CLAUDE_CODE_AUTO_MODE_EDIT_REMOVAL: Governs whether Auto mode may delete content as part of an edit.
• CLAUDE_CODE_AUTO_MODE_EDIT_REMOVAL_CAP: Caps how much a single autonomous edit can remove before it's held for a human.
• CLAUDE_CODE_AUTO_MODE_EXTERNAL_PERMISSIONS: Hands permission decisions to an external policy engine instead of the built-in prompt.

Frequently asked questions

All variables, searchable: Claude Code environment variables.