Securing AI Agents: L5 Tool Execution Layer – Sandboxes, MCP, and Execution Boundaries
The article analyzes two 2026 incidents where agents breached sandbox and permission boundaries, explains the L5 execution layer’s role in defining what agents can do, how to isolate code with microVM or gVisor sandboxes, enforce network and resource limits, and implement MCP‑based tool calls with strict access control and audit trails.
