CLAUDE_CODE_ACCOUNT_UUID

Updated October 23, 2026 by Alex Sorokoletov

CLAUDE_CODE_ACCOUNT_UUID is a Claude Code environment variable: Pre-configured account UUID. Removed in v2.1.310, so current releases ignore it. It is not in the official reference.

Status	Removed in v2.1.310
Added	Present since v2.1.69 or earlier
Category	Other
Official docs	Not listed

How to set it

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

export CLAUDE_CODE_ACCOUNT_UUID=<value>
claude

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

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

Release notes that mention it

Claude Code v2.1.76 — 3 New Environment Variables: MCP Elicitation and Worktree Improvements

Related variables

CLAUDE_CODE_ACCOUNT_TAGGED_ID: Stores a tagged or decorated account identifier, distinct from the existing CLAUDE_CODE_ACCOUNT_UUID.
CLAUDE_CODE_ORGANIZATION_UUID: Organization UUID.
CLAUDE_CODE_ACCOUNT_UUIDI
CLAUDE_PROJECT_UUID
CLAUDE_RUNNER_ACCOUNT_EMAIL
CLAUDE_RUNNER_ACCOUNT_ID
ANTHROPIC_BETAS: Comma-separated beta feature headers.
ANTHROPIC_CUSTOM_HEADERS: Custom HTTP headers (newline-separated Key: Value).

Frequently asked questions

What does CLAUDE_CODE_ACCOUNT_UUID do?

Pre-configured account UUID

Which Claude Code version has CLAUDE_CODE_ACCOUNT_UUID?

Removed in v2.1.310, so current releases ignore it.

How do I set CLAUDE_CODE_ACCOUNT_UUID?

Export it before starting Claude Code (export CLAUDE_CODE_ACCOUNT_UUID=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.