Author

Yuqing Xu

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Preprint Aug 2026

ToolMinimize: Auditing and Rewriting LLM Agent Tool Calls to Minimize Privacy Exposure

System{, a middleware that intercepts tool calls and rewrites their arguments to the minimum data necessary for tool functionality, combining schema-aware necessity analysis with four operations: removal, generalization, substitution, and truncation is presented.

Wen-Biao Li, Yuqing Xu · 0 citations