Term tag: Multi-Agent Systems

Agent Communication Protocol (ACP)

ACP is the horizontal link between AI agents, where MCP is the vertical link to tools. IBM's REST spec, merged into A2A in August 2025.

Agent2Agent Protocol (A2A)

An open standard, governed by the Linux Foundation, that lets independent AI agents discover each other and delegate tasks across vendors and frameworks.

Multi-Agent Systems (MAS)

A multi-agent system coordinates two or more AI agents, each with its own role and tools, to solve tasks a single agent would handle worse or not at all.