The claude-code-guide agent now ships with a reference document about claude plugin eval, plugin eval init and the /skill-doctor report bundled into its prompt, so it answers from that instead of guessing a docs URL that does not exist yet. The reference states whether each feature is on in your session, and when they are off it tells the agent to say they are early access rather than nonexistent.
- The system prompt ends with a block headed "# Plugin eval and /skill-doctor (embedded offline reference)", and the prompt body gained a fifth expertise domain covering both features.
/skill-doctorreports are described as available only whentengu_lantern_prismorCLAUDE_CODE_LANTERN_PRISMis on; plugin eval only whentengu_walnut_spireorCLAUDE_CODE_WALNUT_SPIREis. Both remote flags fall back to false.- The bundle adds
references/plugin-eval-quickref.mdandreferences/plugin-eval.md, covering flags, the JSON payload, sandbox and CI use. - The guidance explicitly tells the agent not to guess the name of an enablement variable.
# Plugin eval and /skill-doctor (embedded offline reference), # Plugin eval and \/skill-doctor\ — quick reference, "references/plugin-eval-quickref.md"
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
tengu_lantern_prism Off by default, switched on for this accountThe shipped code defaults this off, and the flag server returned on for the one account this site reads on this version. That is the reading that makes the entry above worth a second look, and it still says nothing about your account.
This account: on · anonymous baseline: on · compiled default in v2.1.233: off
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.
tengu_walnut_spire Off in both readingsThe 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: off
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
The entry above is what we published on the day. These lines were added later, as Anthropic's own pages caught up, and they sit beside the original rather than replacing it.
Test your marketplace before sharing. Validation checks file structure; to test whether a plugin changes what Claude does on realistic prompts, run its eval suite with [`claude plugin eval`](/docs/en/plugin-evals) before you publish a new …plugin-marketplaces see the edit
* Added `claude plugin eval`: run a plugin's eval suite against Claude Code and get scored, reproducible results (JSON + HTML report); see `claude plugin eval --help`changelog see the edit
A reading is one sample. Claude Code evaluates its flags remotely, so no client sees the targeting rule behind a value and this says nothing about your account.
A reading is one sample. Claude Code evaluates its flags remotely, so no client sees the targeting rule behind a value and this says nothing about your account.
A reading is one sample. Claude Code evaluates its flags remotely, so no client sees the targeting rule behind a value and this says nothing about your account.
A reading is one sample. Claude Code evaluates its flags remotely, so no client sees the targeting rule behind a value and this says nothing about your account.
Anthropic's documentation has since written up claude plugin eval, on Claude Code changelog.