userConfig
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.
Also written user_config. Every list on this page counts all of these spellings together.
Installing a plugin can now walk you through configuring it, if the plugin declares options.
Not Anthropic's. This is the line from the earliest changelog entry here that named it, v2.1.238.
In the changelogs
12Releases whose published page names userConfig.
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v2.1.288
Unset plugin options can now be left as placeholders instead of causing an error
Filling in a plugin's ${user_config.*} placeholders can now leave an unset option as written instead of always failing; failing is still the default
found in this entry's text, named in this entry
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v2.1.285
Set a bundled MCP server's own options when installing a plugin
The plugin install --config option can now set a bundled .mcpb server's own user_config fields, written as <server>.<key>=<value>
found in this entry's text
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v2.1.285
Browser MCP server setup now runs a bundled Playwright script
Claude Code can build a browser MCP server that runs a bundled Playwright script with node and sets CLAUDE_TEST_PROJECT_DIR
found in this entry's text
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v2.1.281
Plugin validation now checks a plugin's MCP server files
Plugin validation now checks a plugin's MCP server files for bad settings, insecure addresses and credentials left in plain text
found in this entry's text
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v2.1.271
Plugin manifest config filtering excludes sensitive user options
Plugin config summaries now exclude options marked sensitive
found in this entry's text
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v2.1.246
A bad plugin config no longer takes the plugin down
A plugin with bad config now loads on defaults instead of failing, when enabled from trusted settings.
named in this entry, found in this entry's text
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v2.1.246
Plugin interfaces are checked before they are used
A plugin publishing an interface for others now fails loudly if it isn't a proper object of functions.
found in this entry's text
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v2.1.238
Installing a plugin can now ask you to configure it
Installing a plugin can now walk you through configuring it, if the plugin declares options.
found in this entry's text
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v2.1.234
MCP failures are sorted into a cause taxonomy for reporting
MCP failures are now sorted into causes like server down, login problem or bad config for reporting.
found in this entry's text
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v2.1.113
Improved Plugin Configuration Error Messages
found in this entry's text
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v2.1.75
Plugin Configurable Options
found in this entry's text
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v2.0.22
MCP Server User Configuration Support
found in this entry's text
First cited
2The earliest release whose published evidence quoted userConfig was v2.1.246, 25 Aug 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.