CLAUDE_CODE_OWNERSHIP_FRAME

Updated October 14, 2026 by Alex Sorokoletov

CLAUDE_CODE_OWNERSHIP_FRAME is a Claude Code environment variable. Removed between v2.1.215 and v2.1.217, so current releases ignore it. It is not in the official reference.

Status	Removed between v2.1.215 and v2.1.217
Added	Added between v2.1.143 and v2.1.212
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_OWNERSHIP_FRAME=<value>
claude

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

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

Related variables

CLAUDE_CODE_COWORK_FRAME_ARTIFACTS
CLAUDE_CODE_FRAME_TIMING_SAMPLE_EVERY
CLAUDE_CODE_INTRO_FRAME
ANTHROPIC_BETAS: Comma-separated beta feature headers.
ANTHROPIC_CUSTOM_HEADERS: Custom HTTP headers (newline-separated Key: Value).
ANTHROPIC_FEDERATION_RULE_ID
ANTHROPIC_ORGANIZATION_ID
ANTHROPIC_WORKSPACE_ID

Frequently asked questions

Which Claude Code version has CLAUDE_CODE_OWNERSHIP_FRAME?

Removed between v2.1.215 and v2.1.217, so current releases ignore it.

How do I set CLAUDE_CODE_OWNERSHIP_FRAME?

Export it before starting Claude Code (export CLAUDE_CODE_OWNERSHIP_FRAME=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.