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Structured Authority Injection: Persistent Human Control for LLM Agents via Typed MCP Overrides

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In brief

  1. SAI injects structured human directives through MCP to avoid ambiguous interpretations.
  2. The protocol maintains a ranked authority context that persists across planning cycles.
  3. Evaluation across 9 LLMs and 8 scenarios shows reduced authority decay and up to 38% lower prompt overhead.

Researchers introduce Structured Authority Injection (SAI), a protocol to inject structured, persistent human directives into LLM agents via the Model Context Protocol (MCP). SAI reduces interpretation ambiguities and mitigates authority erosion during planning cycles without requiring fine-tuning or access to model weights.

This summary gives you the essentials. The full article, its figures and quotes are on cs.AI updates on arXiv.org.

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