Engineering Multiagent Systems

AGNTCon + MCPCon North America 2026

Oct 22, 2026 · 10:55–11:20 · America/Los_Angeles

MCP and A2A set the stage for building systems of agents that interact with each other and legacy information systems. Current multiagent systems in industry are limited to problem solving, where the agents are orchestrated to solve a problem for the same stakeholder (person or organization). Orchestration is over-constrained and inapplicable when agents represent different stakeholders. We need protocols such as the Universal Commerce Protocol (UCP). However, current methods (as used for specifying UCP) are rigid and lack a formal model. Thus, they prevent us from benefiting from the power of modern AI. This session will summarize years of peer-reviewed research on engineering multiagent systems. (1) How to specify interaction protocols to gain high flexibility with correctness guarantees. (2) How to program an agent to participate in a protocol, without being limited to message reactions. (3) How to represent and reason about the social or business meaning of an interaction (for business agreements and safety guardrails). The session will include examples, including a proper reconstruction of UCP, and brief demonstrations. The underlying code is open source.

Session status: scheduled

Room: LL21 ABC

Track: Multi-Agent & Distributed Systems

Level: Any

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In person · San Jose McEnery Convention Center, San Jose, California, United States

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