Agent Safety24 min read
The Kernel Said No: How to Actually Contain AI Coding Agents on macOS
What the Matt Shumer incident reveals about agent trust boundaries, how macOS Seatbelt works at the kernel, and how to lock Claude Code, Codex, Cursor, and OpenCode to your work directory in under five minutes.
- Sandbox
- Agents
- Security
- Trust Boundaries
- Macos