Introducing ActPlane: an IFC Policy Engine for AI Agent Harnesses in eBPF (opens in new tab)

Covers 2 stories including Progent: Programmable Privilege Control for LLM Agents

ActPlane is an eBPF-based policy engine that observes and enforces AI agent behavior at the OS kernel level. This post analyzes the systemic blind spots of prompt constraints, tool-layer guards, and sandboxes, and explains how ActPlane uses label propagation and temporal predicates to implement a deterministic agent harness.

Read the original article