CLAUDE_CODE_SKIP_PROJECT_BACKFILL
Updated by Alex Sorokoletov
CLAUDE_CODE_SKIP_PROJECT_BACKFILL is a Claude Code environment variable. Added between v2.1.143 and v2.1.212 and still present in v2.1.295. It is not in the official reference.
| Status | Present in v2.1.295 |
|---|---|
| Added | Added between v2.1.143 and v2.1.212 |
| Category | Feature toggles |
| Official docs | Not listed |
How to set it
For one session, export it in the shell that starts Claude Code:
export CLAUDE_CODE_SKIP_PROJECT_BACKFILL=<value>
claudeTo apply it to every session, add it to the env object of a settings file:
// ~/.claude/settings.json
{
"env": {
"CLAUDE_CODE_SKIP_PROJECT_BACKFILL": "<value>"
}
}Related variables
CLAUDE_CODE_SKIP_PROJECT_BACKFILL_LCLAUDE_CODE_SKIP_PROMPT_HISTORY: Disable prompt history saving.CLAUDE_CODE_CCR_SKIP_FRESH_MIGRATIONSCLAUDE_CODE_SKIP_HFI_VERSION_CHECKCLAUDE_CODE_SKIP_REPO_UPLOADCLAUDE_RUNNER_SKIP_GIT_VERIFYCCR_FORCE_BUNDLECLAUDE_CODE_DISABLE_ADMIN_ENV_UNION
Frequently asked questions
Which Claude Code version has CLAUDE_CODE_SKIP_PROJECT_BACKFILL?
Added between v2.1.143 and v2.1.212 and still present in v2.1.295.
How do I set CLAUDE_CODE_SKIP_PROJECT_BACKFILL?
Export it before starting Claude Code (export CLAUDE_CODE_SKIP_PROJECT_BACKFILL=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.