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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 v2.1.219

Interaction schemas are now discovered, not hardcoded

Use it now
Useful3 Signal0
Artifacts

The artifact tool's schema option now lists whatever schemas your session actually registered.

schema
What

The artifact tool's schema argument stops naming "workshop-decisions" in its description and error text and instead reports whatever the session actually registered.

Details
  • The available schema list is computed per session and the example in the description is taken from it
  • Requesting an unregistered schema returns a distinct errorCode 8 that lists the available schemas
  • The schema argument only exists when the session registers at least one interaction schema
Evidence

is not available in this session. Available schemas:

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

See this entry in the whole of v2.1.219 →