CLAUDE_CODE_FLAG_FETCH_WAIT_MS

Updated October 14, 2026 by Alex Sorokoletov

CLAUDE_CODE_FLAG_FETCH_WAIT_MS is a Claude Code environment variable. Added between v2.1.266 and v2.1.269 and still present in v2.1.295. It is not in the official reference.

Status	Present in v2.1.295
Added	Added between v2.1.266 and v2.1.269
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_FLAG_FETCH_WAIT_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_FLAG_FETCH_WAIT_MS": "<value>"
  }
}

Related variables

CLAUDE_RUNNER_FETCH_SERVER_PROGRESS_CAP_MS: On a self-hosted runner, caps how long a git fetch keeps waiting while the server is still reporting progress on a large repository.
CLAUDE_RUNNER_FAIL_FAST_FETCH
CLAUDE_RUNNER_FETCH_DEPTH
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_FLAG_FETCH_WAIT_MS?

Added between v2.1.266 and v2.1.269 and still present in v2.1.295.

How do I set CLAUDE_CODE_FLAG_FETCH_WAIT_MS?

Export it before starting Claude Code (export CLAUDE_CODE_FLAG_FETCH_WAIT_MS=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.