CLAUDE_CODE_DISABLE_FILE_MENTIONS

Updated October 14, 2026 by Alex Sorokoletov

CLAUDE_CODE_DISABLE_FILE_MENTIONS is a Claude Code environment variable. Its release history is not tracked here. It is listed in the official reference.

Status	Present in v2.1.296
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_DISABLE_FILE_MENTIONS=<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_FILE_MENTIONS": "<value>"
  }
}

Related variables

CLAUDE_CODE_DISABLE_FILE_CHECKPOINTING: Git-based file checkpointing/backup.
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.
CLAUDE_CODE_DISABLE_EXPERIMENTAL_BETAS: Experimental beta API features.

Frequently asked questions

Which Claude Code version has CLAUDE_CODE_DISABLE_FILE_MENTIONS?

Its release history is not tracked here.

How do I set CLAUDE_CODE_DISABLE_FILE_MENTIONS?

Export it before starting Claude Code (export CLAUDE_CODE_DISABLE_FILE_MENTIONS=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.