MCP, A2A, and Pilot Protocol are not competing. They sit on different OSI layers

📰 Dev.to · Artemii Amelin

MCP, A2A, and Pilot Protocol are not competing protocols, but rather sit on different OSI layers, serving distinct purposes in multi-agent systems.

intermediate Published 27 Apr 2026
Action Steps
  1. Understand the OSI model and its layers to recognize where each protocol sits
  2. Identify the specific purposes of MCP, A2A, and Pilot Protocol in multi-agent systems
  3. Determine which protocol is suitable for a particular use case based on its position in the OSI stack
  4. Use MCP, A2A, and Pilot Protocol in conjunction with each other to create a comprehensive multi-agent system
  5. Research and explore existing implementations and examples of MCP, A2A, and Pilot Protocol in action
Who Needs to Know This

Developers building multi-agent systems can benefit from understanding the differences between MCP, A2A, and Pilot Protocol, and how they can be used together to create more effective systems.

Key Insight

💡 MCP, A2A, and Pilot Protocol serve distinct purposes in multi-agent systems and can be used together to create more effective systems.

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🤖 Did you know MCP, A2A, and Pilot Protocol aren't competing? They sit on different OSI layers! 📚 Learn how to use them together for effective multi-agent systems.
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