CLAUDE_CODE_WEBFETCH_DEADLINE_MS

Updated October 13, 2026 by Alex Sorokoletov

CLAUDE_CODE_WEBFETCH_DEADLINE_MS is a Claude Code environment variable. Added between v2.1.266 and v2.1.269 and still present in v2.1.294. It is listed in the official reference.

How to set it

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

export CLAUDE_CODE_WEBFETCH_DEADLINE_MS=<value>
claude

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

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

Release notes that mention it

• claude-code-env-vars-v2-1-269

Related variables

• CLAUDE_CODE_WEBFETCH_CACHE_TTL_MS
• BASH_MAX_OUTPUT_LENGTH: Max bash output character length.
• CLAUDE_BASH_MAINTAIN_PROJECT_WORKING_DIR: Maintain consistent working directory across commands.
• CLAUDE_BASH_NO_LOGIN: Replaced by CLAUDE_CODE_SHELL_PREFIX.
• CLAUDE_CODE_BASH_EDIT_DIFF
• CLAUDE_CODE_DISABLE_ADVISOR_TOOL: Disables what appears to be an internal advisory tool.
• CLAUDE_CODE_DISABLE_BG_SHELL_PRESSURE_REAP
• CLAUDE_CODE_DISABLE_INLINE_SHELL_RM_PROMPT: Turns off the new prompt that catches a dangerous rm inside an inline bash -c or sh -c script.

Frequently asked questions

All variables, searchable: Claude Code environment variables.