bx

Sandboxes any macOS app, like an AI coding tool, so it only sees the one project directory you specify.

Desktopfreeglobal

bx is a free, open-source macOS command-line tool that wraps any application — an editor, a terminal, or an AI coding assistant — in the operating system's sandbox so it can only access the one project directory specified. It's built to protect against AI coding tools with broad file access accidentally reading sensitive personal files, while keeping normal developer tooling working. It's aimed at developers who use AI coding assistants and want a lightweight, no-setup safety net.

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Problem & pain-point mapping
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What it's a strong alternative to
Trust & credibility signals

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