All settings changedsettings-reference
Upstream edited this page at 10 Oct 2026 17:53 UTC, give or take a minute or two: the time comes from Anthropic’s own sitemap rather than from a commit. This site recorded the change at 10 Oct 2026 18:07 UTC.
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22552255* An entry in `files` or `envVars` that still has a valid `path` or `name` and a `mode` of `mask` or `deny`, such as one whose `extract` pattern has no capturing group, is degraded to `mode: "deny"` with a warning, so the credential stays blocked, not masked, until you fix the entry. A degraded `files` entry pins [`filesystem.disabled`](/docs/en/sandboxing#disable-filesystem-isolation) like an explicit `deny` entry, and the warning notes that its read block isn't enforced if managed settings turn filesystem isolation off.
22562256* An entry with an unknown `mode` or an invalid `path` or `name` is stripped.
2257* Each case warns; whether an entry is degraded or stripped, the remaining valid entries are still enforced, and a wholly invalid `credentials` value is dropped while the rest of `sandbox` still applies.
2257* Each case warns; whether an entry is degraded or stripped, the remaining valid entries are still enforced.
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22592259Applies in v2.1.191 and later; before v2.1.221, every invalid entry was stripped. For the other managed keys with per-field handling, see [Invalid entries in managed settings](/docs/en/managed-settings#invalid-entries-in-managed-settings).
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40444044The reach depends on which file carries the key:
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40464046* **In managed settings**: Claude Code disables every configured hook, including managed ones, and keeps running the hooks the [Agent SDK](/docs/en/agent-sdk/overview) registers in process
4047* **In any other settings file**
4047* **In any other settings file**: Claude Code disables user, project, local, and plugin hooks; managed hooks, Agent SDK hooks,
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