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HomeDocsClaude Code CLI 21 Oct 2026
One change · claude-code

Configure the sandboxed Bash tool changedsandboxing

Nearest release: v2.1.306, published 3 hours before upstream edited the page. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

Upstream edited this page at 21 Oct 2026 05:51 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 21 Oct 2026 06:07 UTC.

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From line 974 where the diff opens
First seen 14 Aug 2026 this site's first read of the page
Recorded edits50to this page, all time

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974974✗ Sandbox settings not changed: /home/you/project/.claude/settings.local.json couldn't be updated (EACCES). Start Claude Code in a project folder you can write to.
975975```
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977If the reason in parentheses is `EACCES`, `EPERM`, or `EROFS`, start Claude Code in a project folder you can write to, then run `/sandbox` again in that session.
977If the reason in parentheses is `EACCES`, `EPERM`, or `EROFS`, start Claude Code in a project folder you can write to, then run `/sandbox` again in that session. If the reason begins with `Invalid JSON syntax in settings file`, correct the JSON in your project's `.claude/settings.local.json`, then run `/sandbox` again.
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979If the reason begins with `Invalid JSON syntax in settings file`, correct the JSON in your project's `.claude/settings.local.json`, then run `/sandbox` again.
979If no writable project folder is available to you, turn the sandbox on from your user settings instead. Add this to `~/.claude/settings.json`:
980 
981```json theme={null}
982{
983 "sandbox": {
984 "enabled": true
985 }
986}
987```
988 
989This turns on [auto-allow mode](#sandbox-modes). For regular permissions mode, also set [`sandbox.autoAllowBashIfSandboxed`](/docs/en/settings-reference#sandbox-autoallowbashifsandboxed) to `false`. The change takes effect in your running session at the next shell command Claude runs, and the **Mode** tab of `/sandbox` then marks the mode in effect.
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981991## Limitations
982992 
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