CLAUDE_AI_IMPORT_SHAPE

Updated October 14, 2026 by Alex Sorokoletov

CLAUDE_AI_IMPORT_SHAPE is a Claude Code environment variable. Removed between v2.1.252 and v2.1.266, so current releases ignore it. It is not in the official reference.

Status	Removed between v2.1.252 and v2.1.266
Added	Added between v2.1.229 and v2.1.234
Category	Other
Official docs	Not listed

How to set it

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

export CLAUDE_AI_IMPORT_SHAPE=<value>
claude

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

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

Related variables

CLAUDE_CODE_ARG_KEY_SHAPE
CLAUDE_IMPORT_CONVERSATIONS
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
BETA_TRACING_ENDPOINT: Custom endpoint for beta tracing.

Frequently asked questions

Which Claude Code version has CLAUDE_AI_IMPORT_SHAPE?

Removed between v2.1.252 and v2.1.266, so current releases ignore it.

How do I set CLAUDE_AI_IMPORT_SHAPE?

Export it before starting Claude Code (export CLAUDE_AI_IMPORT_SHAPE=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.