CLAUDE_RUNNER_GIT_MOUNT_URL

Updated October 23, 2026 by Alex Sorokoletov

CLAUDE_RUNNER_GIT_MOUNT_URL is a Claude Code environment variable. Added between v2.1.222 and v2.1.224 and still present in v2.1.310. It is not in the official reference.

Status	Present in v2.1.310
Added	Added between v2.1.222 and v2.1.224
Category	Network and proxy
Official docs	Not listed

How to set it

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

export CLAUDE_RUNNER_GIT_MOUNT_URL=<value>
claude

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

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

Related variables

CLAUDE_RUNNER_API_BASE_URL
CLAUDE_RUNNER_PRIMARY_REPO_URL
CLAUDE_RUNNER_REPO_URL
CLAUDE_RUNNER_USE_GIT_PROXY
ANTHROPIC_BASE_URL: Custom endpoint for Anthropic services.
CLAUDE_CODE_API_BASE_URL: Custom Claude Code API base URL for proxies.
CLAUDE_CODE_CLIENT_DATA_URL: URL of a signed configuration document on downloads.claude.ai with per-model client data; same as --client-data-url, and keeps the URL out of the process list.
CLAUDE_CODE_GB_BASE_URL: An internal base URL override, possibly for a "gradebook" or grading service used during internal testing.

Frequently asked questions

Which Claude Code version has CLAUDE_RUNNER_GIT_MOUNT_URL?

Added between v2.1.222 and v2.1.224 and still present in v2.1.310.

How do I set CLAUDE_RUNNER_GIT_MOUNT_URL?

Export it before starting Claude Code (export CLAUDE_RUNNER_GIT_MOUNT_URL=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.