James' Growth Diary

May 19, 2026 · Information Security

Securing AI Tool Calls with PermissionGate and BashSandbox: A Deep Dive

The article analyzes the security challenges of AI coding assistants that can read files, run shell commands, and call external APIs, and presents a layered defense architecture—PermissionGate for tool‑level gating and BashSandbox for command‑level filtering—detailing design principles, risk classifications, user‑authorization flows, and prompt‑injection detection.