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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

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Claude Code v2.1.247

sandbox status prints the posture in effect, not just whether sandboxing is available

Use it now
Useful4 Signal3
Sandbox Notable

Sandbox status now prints whether sandboxing is on, where that came from, and the filesystem policy.

sandbox status
What

The subcommand now emits a single JSON line describing whether the sandbox is enabled, where that setting came from, whether strict mode is on and what the filesystem policy is, alongside the Windows install state.

Usage
claude sandbox status
Evidence

Print the effective sandbox posture (enabled, its source, strict mode, filesystem policy) and the Windows install state as one JSON line.

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

See this entry in the whole of v2.1.247 →