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ACP

As explained in Grokking AI Applications

The Agent Communication Protocol is an open protocol for standardizing agent messaging and enabling agents to be shared across projects and organizations.

ACP (Agent Communication Protocol) is an open effort to standardize messaging between agents. It aims to make agents easier to share and reuse across projects and organizations, reducing brittle integrations and improving portability. section 8.2

Place ACP among complementary protocols:

  • MCP standardizes how clients discover and call tools exposed by servers. section 8.2
  • A2A regulates direct agent-to-agent messaging, task negotiation, and coordination over time. section 8.2
  • ACP addresses standardized agent messaging and cross-project or cross-organization reuse. section 8.2

How Grokking AI Applications covers it

How deep it goes
Defines ACP’s purpose and contrasts it with MCP and A2A, but defers implementation details and practical workflows.
What you can do after
Evaluate ACP as a portability-oriented protocol alongside MCP and A2A when designing interoperable agent systems.
How it connects
Connects ACP with agent messaging, interoperability, MCP, A2A, deployment, and orchestration.
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Related concepts

This explainer was generated by Manning's knowledge graph from the text of Grokking AI Applications. The section links point to the parts of the book it draws on.