Seatbelt

Assess

Tools

macOS sandboxing framework for restricting process capabilities.

Why it's here

Placed in Assess: 1 article(s) of evidence from 1 source(s), led by security coverage, with 1 in the last 30 days. Confidence 24%. Low accumulated evidence, so it defaults conservatively pending more signal.

Evidence (1)

6Simon Willison·5/30/2026security
Anthropic details sandboxing for Claude products
Anthropic published an overview of the sandboxing and isolation techniques used across Claude.ai, Claude Code, and Claude Cowork. The post explains how process sandboxes, VMs, filesystem boundaries, and egress controls are used to limit what an agent can access and reduce exfiltration risk.