IBM BeeAI Agent Communication Protocol: Intent-Driven Cross-Framework Agent Messaging That Decouples Agents from Framework-Specific APIs

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IBM's BeeAI introduced the Agent Communication Protocol (ACP), enabling agents built on LangChain, CrewAI, AutoGen, and LangGraph to communicate through a shared universal intent-driven message schema rather than framework-specific API calls. ACP replaces service-call-style inter-agent communication with structured intent messages, allowing individual agents to be swapped for different framework implementations without changing the coordination layer. This cross-framework interoperability is the missing layer in heterogeneous enterprise multi-agent deployments where different teams own different agents built on different stacks.