All settings changedsettings-reference
Upstream edited this page at 25 Oct 2026 14:22 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 25 Oct 2026 14:37 UTC.
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12271227* **Scope**: [`Any file`](#scopes), with [limits on project and local settings](https://code.claude.com/docs/en/sandboxing.md#repository-settings-under-an-admin-required-sandbox)
12281228* **Type**: Boolean
1229 * `true`: Claude Code exits with an error at startup when `sandbox.enabled` is `true` but the sandbox can't start
1229 * `true`: Claude Code exits with an error at startup when `sandbox.enabled` is `true` but the sandbox can't start. If the sandbox passes that check and then fails to initialize, the session keeps running and Claude Code [refuses each sandboxed command](https://code.claude.com/docs/en/sandboxing.md#commands-refused-with-sandbox-is-required)
12301230 * `false`: Claude Code runs commands unsandboxed when the sandbox can't start
12311231* **Default**: `false`
12321232
1233This makes every managed machine sandbox commands or refuse to start:
1233This turns the sandbox on for managed machines and sets `failIfUnavailable` to `true`:
12341234
12351235```json managed-settings.json theme={null}
12361236{
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34413441* **Scope**: [`Any file`](#scopes)
34423442* **Type**: string
3443* **Default**: unset, so Claude Code adds `Co-Authored-By: <name> <[email protected]>`. The name is the model in use when the commit is made, such as `Claude Sonnet 5`. When a [subagent](https://code.claude.com/docs/en/sub-agents.md) makes the commit, the trailer names the subagent's model.
3444 * When Claude Code recognizes the mod
3443* **Default**: unset, so Claude Code adds `Co-Authored-By: <name> <[email protected]>`
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