action
A Claude Code settings key, read out of the shipped bundle. No mined inventory carries it: everything below comes from what this site has written about it.
Claude can watch artifact comment threads and post replies or edits, off unless you set the env var.
Not Anthropic's. This is the line from the earliest changelog entry here that named it, v2.1.221.
In the changelogs
15Releases whose published page names action.
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v2.1.275
New artifact watch error: 'watch target changed' when action/url no longer matches the approved watch
New error tells the user to retry when an artifact watch's action or URL no longer matches
found in this entry's text
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v2.1.271
Plugin UI Button/Input/Select components gain action/dimColor/autoFocus props
Plugin UI Button, Input, and Select components gain new
action,dimColor, andautoFocuspropsfound in this entry's text, named in this entry
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v2.1.261
Artifact comments tool now validates the read target hasn't changed before serving results
Artifact comments now verify the read target hasn't changed before serving results.
found in this entry's text
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v2.1.260
Auto-drafted replies to artifact comment threads, gated off by default
Claude can auto-draft replies to artifact comments, but it's off by default and declines by default.
found in this entry's text
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v2.1.257
Artifact types can now declare a 'used by other Artifacts' relationship, e.g. design systems
Artifact types can be reused as sub-types such as design systems, applied via the list action with a type or type_url.
found in this entry's text
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v2.1.257
Artifacts tool consolidated into a single action-based schema, legacy verbs redirected
The artifact tool's separate verbs collapse into one action parameter, with old names rewritten so existing prompts keep working.
named in this entry, found in this entry's text
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v2.1.248
Sandbox failures now report a specific cause
Sandbox failures now name the stage that broke instead of a generic error.
found in this entry's text
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v2.1.235
Design tool: an approved database read/write is now bound to the exact action and project slug
Design tool database read/write consent is now bound to the exact approved action and project slug
found in this entry's text
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v2.1.235
Artifact asset permission scope and messages reworded
Artifact asset permission and error messages reworded, with broader scope and coverage
found in this entry's text
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v2.1.225
Artifact comments listing gained pagination and single-thread lookup
You can now fetch a single artifact comment thread or page through long listings with a cursor.
found in this entry's text
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v2.1.221
Artifact comment auto-reply subsystem
Claude can watch artifact comment threads and post replies or edits, off unless you set the env var.
found in this entry's text
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v2.1.203
Artifact Listing: Strict Input Validation
found in this entry's text
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v2.1.163
Slash Command Menu Kind Lanes [In Development]
found in this entry's text
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v2.1.98
Dynamic Keyboard Hint Components
found in this entry's text
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v2.1.97
Cedar Policy Language Syntax Highlighting
found in this entry's text
First cited
0No release's published evidence quotes this name. The ledger indexes the Evidence lines of every changelog on this site, so this says nobody here has ever quoted it; it says nothing about how old the name is.
Presence across releases
0The miner has never read a build containing this name. It is here because a changelog entry of ours names it, which is evidence that it existed and not evidence of which releases carried it. The inventory starts at v2.1.138 and everything older than that was never mined.
Read out of the published npm bundle release by release, and out of Anthropic's own documentation as this site captured it. Nothing on this page is a description anybody here wrote about what the settings key does. All settings keys.