filesystem.denyRead
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.
Your sandbox filesystem.denyWrite paths are now enforced in the sandbox mode used when a proxy port is configured, where they were ignored
Not Anthropic's. This is the line from the earliest changelog entry here that named it, v2.1.284.
In the changelogs
6Releases whose published page names filesystem.denyRead.
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v2.1.284
Sandbox write-deny paths now apply in one more sandbox mode
Your sandbox
filesystem.denyWritepaths are now enforced in the sandbox mode used when a proxy port is configured, where they were ignoredfound in this entry's text
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v2.1.284
Linux sandbox warning now also flags broad read rules
On Linux, the sandbox glob warning now also checks
filesystem.denyReadandfilesystem.allowReadpatterns that start at the root or have no fixed foldernamed in this entry, found in this entry's text
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v2.1.284
Sandbox deny rules ending in a slash are now flagged as invalid
Sandbox deny paths that end in a slash now show a validation error, because they matched nothing and protected nothing
found in this entry's text
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v2.1.284
Sandbox no longer keeps npm logs and Claude debug folders writable when you deny reading them
The sandbox's default-writable ~/.npm/_logs and ~/.claude/debug folders now respect denyRead and denied credential files unless allowRead re-allows them
found in this entry's text
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v2.1.198
Windows Sandbox: Per-Exec Deny Flags
found in this entry's text
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v2.1.187
sandbox.credentials— Credential protection in sandboxfound 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.