/extra-usage
A Claude Code slash command, read out of the shipped bundle. No mined inventory carries it: everything below comes from what this site has written about it.
The dialog for asking your admin for usage credits can now take its title, text and button labels from a remotely set value
Not Anthropic's. This is the line from the earliest changelog entry here that named it, v2.1.283.
In the changelogs
11Releases whose published page names /extra-usage.
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v2.1.283
Wording of the admin usage-credit request dialog can now be changed remotely
The dialog for asking your admin for usage credits can now take its title, text and button labels from a remotely set value
named in this entry, found in this entry's text
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v2.1.90
Upgrade Path Messaging
found in this entry's text
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v2.1.86
Overage Credit Grant and Extra Usage Display
found in this entry's text
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v2.1.63
Opus 4.6 Launch Promo Removed
found in this entry's text
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v2.1.36
Fast Mode
found in this entry's text
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v2.1.36
Enhanced Opus 4.6 Promotional Messaging
found in this entry's text
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v2.1.33
Extra Usage Promo Now Includes Command
found in this entry's text
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v2.1.32
$50 Free Extra Usage Promotion
found in this entry's text
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v2.0.52
Extra Usage Display in /usage
found in this entry's text
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v2.0.51
Extra Usage Integration Enhanced
found in this entry's text
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v2.0.51
Improved Rate Limit Error Messages
found in this entry's text
First cited
2The earliest release whose published evidence quoted /extra-usage was v2.1.33, 6 Feb 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 slash command does. All slash commands.