MCP Connects Agents to Tools. A2A Connects Agents to Each Other. Here's Why That Distinction Changes Everything

📰 Dev.to AI

Understand the difference between MCP and A2A agent connections to build effective multi-agent systems

intermediate Published 29 Apr 2026
Action Steps
  1. Identify the communication requirements of your multi-agent system
  2. Determine whether MCP or A2A connections are more suitable for your use case
  3. Design the communication layer using tools like Gemini Enterprise Agent Platform
  4. Implement A2A connections to enable agent-to-agent communication
  5. Test and optimize the communication layer for performance and scalability
Who Needs to Know This

Developers and architects building multi-agent systems will benefit from understanding the distinction between MCP and A2A connections to design more efficient communication layers

Key Insight

💡 MCP connects agents to tools, while A2A connects agents to each other, changing the way we design communication layers in multi-agent systems

Share This
💡 MCP vs A2A: understanding the difference is key to building effective multi-agent systems #AI #MultiAgentSystems
Read full article → ← Back to Reads