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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.

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Claude Code v2.1.221

ListSkills prompt has a fallback when SuggestSkills is absent

Under the hood
Useful2 Signal0
Skills

Skill listing falls back to searching when the suggestion tool is not available.

What

The claude.ai skills listing tool no longer assumes SuggestSkills is in the model's toolset.

Details
  • The prompt instructs the model to use SuggestSkills only when it is actually among its tools.
  • Otherwise it should use SearchSkills and relay the relevant results in text.
Evidence

use SuggestSkills when it is among your tools; otherwise use SearchSkills and relay the relevant results in text instead.

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

See this entry in the whole of v2.1.221 →