ToolFence: Fine-Grained Authorization for Secure Tool-Using LLM Agents
This work introduces ToolFence, which compiles a typed authorization blueprint before execution, enforces it through a deterministic monitor, and when the blueprint is incomplete asks a judge to grant new capabilities rather than adjudicate each concrete call, improving runtime efficiency.
Yan-Jie Li, Xiang-Yu He, Xue-Long Dai et al.
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