# Protocols AI agents require standardized communication protocols to interact with other agents and services. Organizations implementing agent architectures face significant challenges around interoperability, vendor independence, and future-proofing their investments. This section helps you navigate the agent-to-agent and agent-tool-use protocol landscape with a focus on open standards that maximize flexibility and interoperability. **In this section:** + Why protocol selection matters + Agent-to-agent protocols + Selecting agentic protocols + Implementation strategy for agentic protocols + Getting started with MCP + Getting started with A2A