Unclear It is unclear whether setting CLAUDE_CODE_ARTIFACT now actively switches the feature off or just no longer switches it on.
An environment variable is a named value you set in your shell before starting Claude Code. Before, Claude Code checked CLAUDE_CODE_ARTIFACT when deciding whether the artifact feature was available. That variable can no longer turn the feature on. Whether the feature is available now depends on a switch Claude Code reads from Anthropic's servers.
That switch has read on for this site's own account and for an account with no sign-in. No reading has been taken under this release yet.
If you set CLAUDE_CODE_ARTIFACT to get the artifact feature, it no longer controls it. The server decides for each account.
tengu_cobalt_plinth Gate removed from the codeThis release deleted the gate from the code while it was still reading on for the account this site reads, so the code path no longer asks a flag before running.
This account: on · anonymous baseline: on · compiled default in v2.1.323: not a boolean we can read
These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release.
Read once, for one account on one subscription tier, against v2.1.323. It isn't a statement about your account. What a flag value here can and cannot tell you
It is unclear whether setting `CLAUDE_CODE_ARTIFACT` now actively switches the feature off or just no longer switches it on.