Sweep 19 Sep 2026 · 02:36Z Build v2.1.278 500 read Stable v2.1.267 Latest v2.1.278 Next v2.1.278 Feeds RSS JSON llms.txt Unofficial
Claude Code v2.1.260 ·

Artifact assets: new copy_from action with dedicated error cases

A copy_from action for copying assets between artifacts is built with its own error handling.

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AreaArtifactswhat it touches
KindIn Developmentin v2.1.260,
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A copy_from action for copying assets between artifacts is built with its own error handling.

The artifact tool now supports a copy_from action for copying assets between artifacts. Errors are reported with dedicated cases: a copy-specific not_found message that identifies the source artifact, a new asset_not_found case, and a new not_copyable case, and the permission checker's action allow-list now includes copy_from.

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Names in the bundlecopy_fromnot_copyable

See this entry in the whole of v2.1.260 →