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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 v2.1.239

Artifacts can be deleted, and the model is told when one is gone

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Artifacts

Claude can now delete artifacts, and is told when a link is dead and cannot be restored.

What

Publishing an artifact now has a matching delete action. The tool result reports either "Artifact deleted" or "Artifact was already deleted", and if the model later encounters a deleted artifact URL it is told the link is dead, cannot be restored, and that republishing the same file produces a new URL.

Details
  • Two distinct result states, so deleting something already deleted is not reported as an error.
  • The explanatory text for a dead artifact link was rewritten specifically so the model stops trying to revive the old URL.
Evidence

The user deleted this Artifact from /artifacts

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

See this entry in the whole of v2.1.239 →