CLAUDE_BG_SESSION_PERMISSION_RULES

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CLAUDE_BG_SESSION_PERMISSION_RULES is a Claude Code environment variable. Added between v2.1.143 and v2.1.212 and still present in v2.1.295. It is not in the official reference.

StatusPresent in v2.1.295
AddedAdded between v2.1.143 and v2.1.212
CategoryPermissions and sandbox
Official docsNot listed

How to set it

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

export CLAUDE_BG_SESSION_PERMISSION_RULES=<value>
claude

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

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

Related variables

Frequently asked questions

Which Claude Code version has CLAUDE_BG_SESSION_PERMISSION_RULES?

Added between v2.1.143 and v2.1.212 and still present in v2.1.295.

How do I set CLAUDE_BG_SESSION_PERMISSION_RULES?

Export it before starting Claude Code (export CLAUDE_BG_SESSION_PERMISSION_RULES=value), or add it to the "env" object in ~/.claude/settings.json to apply it to every session.

All variables, searchable: Claude Code environment variables.