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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 v2.1.233

Hidden claude plugin sandbox install and status commands

Use it now
Useful3 Signal4
Sandbox Notable

Hidden sandbox install and status commands set up the Windows sandbox user with one UAC prompt.

What

A hidden sandbox command group adds install, which sets up the Windows sandbox user and network filters and self-elevates through a single UAC prompt, and status, which prints availability and install state as JSON. Both are registered on every build but refuse to run outside native Windows, when the Windows sandbox is not enabled, or when policy excludes the platform.

Details
  • install prints a JSON {status, message} result and exits 0 only when status is "ok".
  • status prints {available, installed, policyLocked, reasons}; policyLocked comes from a check for sandbox settings locked by administrator policy.
Usage
claude plugin sandbox status
claude plugin sandbox install
Evidence

Install the Windows sandbox user and network filters. Self-elevates (one UAC prompt). Prints a JSON {status, message} result and exits 0 only when status is "ok"., Print Windows sandbox availability and install state as JSON {available, installed, policyLocked, reasons}.

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 v2.1.233 →