Source Intelligence

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

Plugin eval checks your credentials before running any case

Not switched on
Useful3 Signal2
Plugin Eval not in their notes

Plugin eval checks your credentials first and aborts instead of failing every case.

An auth preflight for claude plugin eval, behind the early-access gate.

Feature flag
tengu_walnut_spire Off in both readings

The flag server returned off for the account this site reads and for the anonymous baseline. A reading of off cannot rule out a rollout these two readings sit outside of.

This account: off · anonymous baseline: off · compiled default in v2.1.233: on

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 v2.1.233. It isn't a statement about your account. What a flag value here can and cannot tell you

claude plugin eval
What

claude plugin eval now runs an authentication preflight up front. If it fails, the whole suite aborts with exit code 2 and a report status of auth_failed rather than burning every case on a broken credential. A preflight problem that is not fatal is printed as a notice and the run continues.

Details
  • The result object carries an authPreflightFailed flag alongside the report status.
  • Plugin eval as a whole is early access, gated on tengu_walnut_spire or CLAUDE_CODE_WALNUT_SPIRE.
Evidence

authentication check failed before running any case

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 →