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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

← All of v2.1.233 Home All releases ←olderv2.1.232 v2.1.234newer→
Claude Code v2.1.233

Auth preflight before plugin eval runs

You'll notice
Useful2 Signal2
Plugins

Plugin eval checks your credentials up front and fails fast instead of dying partway through a run.

ANTHROPIC_API_KEYANTHROPIC_AUTH_TOKENANTHROPIC_UNIX_SOCKET
What

The plugin eval CLI checks it can actually authenticate before running any cases, so a run fails fast with an explanation instead of partway through. It engages only for first-party auth in env-quad mode with none of ANTHROPIC_API_KEY, ANTHROPIC_AUTH_TOKEN or ANTHROPIC_UNIX_SOCKET set.

Details
  • A failed setup or token exchange aborts the run with a message.
  • Failures that look transient (HTTP 5xx, 429, 408, or DNS and socket errors) are downgraded to a warning and the run continues.
  • 401 or 403 adds advice to check the federation rule and set ANTHROPIC_WORKSPACE_ID.
Evidence

workload identity federation could not obtain an access token

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

See this entry in the whole of v2.1.233 →