prompt.suggest
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.
Plugins can now fill in or suggest text directly in the prompt input box via two new prompt.fill and prompt.suggest actions
Not Anthropic's. This is the line from the earliest changelog entry here that named it, v2.1.268.
In the changelogs
6Releases whose published page names prompt.suggest.
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v2.1.292
Plugins gain a prompt autocomplete hook event
A new plugin event,
prompt.autocomplete, is defined to let a plugin suggest completions while you type, though nothing raises it yetfound in this entry's text, named in this entry
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v2.1.290
Rules for prompt suggestions in remote sessions with several clients
Over a remote connection,
prompt.suggestgoes out only when the owner alone writes to the session, and passes on if a client gives no answer in 5 secondsfound in this entry's text
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v2.1.286
A new prompt.compose event joins the other prompt events
Claude Code now registers a
prompt.composeevent alongsideprompt.submit,prompt.fillandprompt.suggestfound in this entry's text
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v2.1.277
Plugin hook dispatch deep-copies input for a fixed set of UI/registration events
Plugin hooks now receive a deep copy of the event payload for UI and registration events, not the original
found in this entry's text
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v2.1.275
Plugin-originated slash actions now include prompt.fill and prompt.suggest, not just command.run
Plugin-triggered slash actions now also cover prompt.fill and prompt.suggest, not just command.run
found in this entry's text, named in this entry
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v2.1.268
New plugin API actions: prompt.fill and prompt.suggest
Plugins can now fill in or suggest text directly in the prompt input box via two new prompt.fill and prompt.suggest actions
found in this entry's text, named in this entry
First cited
2The earliest release whose published evidence quoted prompt.suggest was v2.1.268, 10 Sep 2026. That is the oldest release this project wrote about it, so it is a floor on the name's age and not the release that introduced it. It is not a presence reading: which builds carried the name is the table below.
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.