arxivcs.CRcs.AI2026-07-23
ToolGuardian: Declarative Security for AI Agent-Tool Interactions
Arun Ravindran, Saurabh Deochake
LLM agents increasingly rely on external tools, expanding capability while creating a new security boundary: third-party tools may appear benign at the interface level while embedding unsafe behavior in implementation. Existing defenses rely on weak metadata, collapse characteriz…