tag
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.
Setting CLAUDE_CODE_CCR_SURFACE=tag adds a hidden claude-tag-plugins marketplace to plugin search and download.
Not Anthropic's. This is the line from the earliest changelog entry here that named it, v2.1.257.
In the changelogs
6Releases whose published page names tag.
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v2.1.288
SDK messages can carry an optional tag field
Messages from the SDK can now include an optional tag that marks lines a host app may treat specially; hosts ignore tags they do not know
found in this entry's text
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v2.1.275
Query-string redaction helper for logged URLs
URLs shown in logs now have most query-string values redacted
found in this entry's text
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v2.1.274
Git tag/GPG signing config keys defined but apparently unused
New git config entries for tag and commit signing (like tag.gpgSign, gpg.format) added, purpose unclear
found in this entry's text
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v2.1.274
Slash-command/title extraction from transcript text now strips XML-like tags first
Session titling now strips XML-like tags before extracting slash commands from transcript text
found in this entry's text
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v2.1.257
CLAUDE_CODE_CCR_SURFACE=tag env var adds a hidden default plugin marketplace to search/download
Setting CLAUDE_CODE_CCR_SURFACE=tag adds a hidden claude-tag-plugins marketplace to plugin search and download.
found in this entry's text
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v2.1.75
Session Metadata Enrichment
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.