Show HN: Bx – macOS native sandbox for AI and coding tools

Category: devtools

Tags: macos, sandbox, security, developer-tools, ai-safety

Score: 6.5/10 (Innovation: 6, Technical: 5, Documentation: 8, Utility: 7)

Bx is a macOS-native sandbox tool that wraps AI coding assistants and editors using Apple's sandbox-exec to restrict file system access to only specified project directories, protecting sensitive personal files. It's interesting because it provides practical, lightweight security for AI-powered tools without requiring containers or VMs, addressing a growing safety concern in developer workflows.

Target audience: backend devs, frontend devs, full-stack devs

Repository: https://github.com/holtwick/bx-mac · TypeScript · MIT · 38 stars

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