CLAUDE_CODE_DISABLE_WORKING_SYNC

Updated October 14, 2026 by Alex Sorokoletov

CLAUDE_CODE_DISABLE_WORKING_SYNC is a Claude Code environment variable. Removed between v2.1.247 and v2.1.252, so current releases ignore it. It is not in the official reference.

Status	Removed between v2.1.247 and v2.1.252
Added	Added between v2.1.143 and v2.1.212
Category	Feature toggles
Official docs	Not listed

How to set it

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

export CLAUDE_CODE_DISABLE_WORKING_SYNC=<value>
claude

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

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

Release notes that mention it

claude-code-env-vars-v2-1-229

Related variables

CLAUDE_CODE_DIR_SYNC_DISABLE_ANCHORING
CLAUDE_CODE_DISABLE_DIR_SYNC
CLAUDE_CODE_DISABLE_ADMIN_ENV_UNION
CLAUDE_CODE_DISABLE_ARTIFACT
CLAUDE_CODE_DISABLE_ATTACHMENTS: File/image attachments.
CLAUDE_CODE_DISABLE_CFC_PROMPT
CLAUDE_CODE_DISABLE_COMMAND_INJECTION_CHECK: Previously allowed disabling command injection detection.
CLAUDE_CODE_DISABLE_CRON: Disable cron/scheduled task functionality.

Frequently asked questions

Which Claude Code version has CLAUDE_CODE_DISABLE_WORKING_SYNC?

Removed between v2.1.247 and v2.1.252, so current releases ignore it.

How do I set CLAUDE_CODE_DISABLE_WORKING_SYNC?

Export it before starting Claude Code (export CLAUDE_CODE_DISABLE_WORKING_SYNC=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.