CLAUDE_CODE_FORCE_STRIKETHROUGH

Updated October 13, 2026 by Alex Sorokoletov

CLAUDE_CODE_FORCE_STRIKETHROUGH is a Claude Code environment variable. Added between v2.1.143 and v2.1.212 and still present in v2.1.294. It is listed in the official reference.

Status	Present in v2.1.294
Added	Added between v2.1.143 and v2.1.212
Category	Feature toggles
Official docs	Listed

How to set it

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

export CLAUDE_CODE_FORCE_STRIKETHROUGH=<value>
claude

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

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

Related variables

CCR_FORCE_BUNDLE
CLAUDE_CODE_FORCE_SYNC_OUTPUT: Disable streaming output in favor of synchronous writes.
CLAUDE_CODE_FORCE_WINDOWS_CREDMAN: Forces credential storage through the Windows Credential Manager.
CLAUDE_FORCE_DISPLAY_SURVEY: Force feedback survey display.
FORCE_HYPERLINK
FORCE_PROMPT_CACHING_5M
CLAUDE_CODE_FORCE_FIRST_LAUNCH
CLAUDE_CODE_FORCE_MID_CONVERSATION_SYSTEM

Frequently asked questions

Which Claude Code version has CLAUDE_CODE_FORCE_STRIKETHROUGH?

Added between v2.1.143 and v2.1.212 and still present in v2.1.294.

How do I set CLAUDE_CODE_FORCE_STRIKETHROUGH?

Export it before starting Claude Code (export CLAUDE_CODE_FORCE_STRIKETHROUGH=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.