What
When ultra (cloud review) is unavailable, Claude Code now surfaces specific, actionable error messages depending on the exact auth state rather than a single generic message.
Details
- API key auth → "ultra (cloud review) requires claude.ai account auth. Unset ANTHROPIC_API_KEY … to use ultra."
- Missing profile scope → "ultra (cloud review) requires a full-scope login token — run
claude auth loginto use it" - Not yet in rollout → "ultra (cloud review) isn't enabled for your account yet — run
claude auth loginto refresh your entitlements" - Unauthenticated entirely → "ultra (cloud review) requires a claude.ai account — sign in to claude.ai to use it"
- All error messages include a link to
https://code.claude.com/docs/en/ultrareview
Evidence
Error routing function (search for "ultra (cloud review) requires claude.ai account auth")
Strings lifted out of the shipped bundle, so the claim above can be checked against them.