Dev Tools · 2h ago
A2A vs MCP: When AI Agents Need Both Protocols
MCP standardizes agent-to-tool connections, while A2A handles agent-to-agent communication. Most small projects can start with MCP alone, but larger multi-agent systems benefit from adding A2A. The article clarifies the overlap and architectural tradeoffs between the two protocols.
Meridian48 take
The distinction is useful, but the real test will be whether both protocols gain widespread adoption or one subsumes the other.
ai-agentsprotocols