headers
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.
Marketplaces and plugins can run a command to mint short-lived HTTP headers for fetching archives.
Not Anthropic's. This is the line from the earliest changelog entry here that named it, v2.1.238.
In the changelogs
10Releases whose published page names headers.
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v2.1.299
MCP sign-in requests now send your configured headers
Configured MCP headers are now sent when finding OAuth details and revoking tokens, only to the same server
found in this entry's text, named in this entry
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v2.1.284
Plugin marketplace sources can now have credentials removed and odd URLs refused
Claude Code now has a check that strips usernames, passwords and headers from plugin marketplace sources and refuses suspicious URLs
found in this entry's text
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v2.1.277
Gateway upstream providers can now set custom headers
Gateway upstream provider configs can now include custom headers
found in this entry's text, named in this entry
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v2.1.277
Gateway self-host config: per-upstream custom headers, and a new loopback guard on telemetry forwarding
Gateway config adds per-upstream custom headers and blocks loopback telemetry URLs unless explicitly allowed
found in this entry's text, named in this entry
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v2.1.260
MCP web-search built-in server pushes API keys out of
headersWeb-search MCP server config now steers you away from putting API keys directly in headers.
found in this entry's text
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v2.1.260
Headers field redaction changed from 'drop' to 'presence'
Web search server headers now redact as 'presence' instead of being dropped entirely.
found in this entry's text
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v2.1.238
Plugin marketplaces and archives can mint HTTP headers from a command
Marketplaces and plugins can run a command to mint short-lived HTTP headers for fetching archives.
found in this entry's text
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v2.1.238
Zip-archive plugin entries can carry their own fetch credentials
Plugin archives can carry their own fetch headers or a helper command instead of inheriting them.
named in this entry, found in this entry's text
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v2.1.238
Marketplace validation flags unsafe archive credential setups
Marketplace validation now warns about unsafe
headersHelperand missingsha256setups.named in this entry, found in this entry's text
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v0.2.106
HTTP Headers Support for SSE Connections
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.