Public-Sharing Labels and Verbatim Field Egress in an MCP-to-A2A Agent Configuration: A Controlled Multi-Model Study
Controlled study shows safety guarantees verified separately for MCP tool use and A2A agent delegation can fail when composed, enabling verbatim data egress in multi-agent setups.
Summary written by editorial AI · Source link below
arXiv:2609.01693v1 Announce Type: new Abstract: Safety properties assessed separately for Model Context Protocol (MCP) tool use and Agent2Agent (A2A) delegation need not describe behavior when one agent uses both. We measure one such behavior in a single controlled MCP-to-A2A configuration: a testbed drives a real-model host across a local MCP and a local A2A leg into an ordered event trace scored by exact deterministic rules (no LLM judge), one restricted decision per trial. In a pre-specified
Editorial Analysis
Enterprises chaining agentic protocols must recognise that compositional safety is not guaranteed—validated components can still leak data when orchestrated together.
Forward-looking interpretation drafted by editorial AI under human review — not a reproduction of the source. See methodology.
External link — opens at arXiv Crypto & Security in a new tab.
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