CLAUDE_CODE_PROJECT_DIR_NAME

Updated October 13, 2026 by Alex Sorokoletov

CLAUDE_CODE_PROJECT_DIR_NAME is a Claude Code environment variable. Added between v2.1.229 and v2.1.234 and still present in v2.1.294. It is listed in the official reference.

Status	Present in v2.1.294
Added	Added between v2.1.229 and v2.1.234
Category	Other
Official docs	Listed

How to set it

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

export CLAUDE_CODE_PROJECT_DIR_NAME=<value>
claude

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

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

Release notes that mention it

claude-code-env-vars-v2-1-234

Related variables

CLAUDE_PROJECT_DIR: Override project directory.
CLAUDE_TEST_PROJECT_DIR
CLAUDE_CONFIG_DIR: Custom config directory.
CLAUDE_JOB_DIR: Working directory for a background job, independent of the daemon's own cwd.
CLAUDE_CODE_DIR_SYNC_ARCHIVE
CLAUDE_CODE_DIR_SYNC_ENGINE
CLAUDE_CODE_DIR_SYNC_FFWD
CLAUDE_CODE_DIR_SYNC_GIT

Frequently asked questions

Which Claude Code version has CLAUDE_CODE_PROJECT_DIR_NAME?

Added between v2.1.229 and v2.1.234 and still present in v2.1.294.

How do I set CLAUDE_CODE_PROJECT_DIR_NAME?

Export it before starting Claude Code (export CLAUDE_CODE_PROJECT_DIR_NAME=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.