MCP + A2A: The Two-Protocol Stack That Will Define Agent Ecosystems in 2025
MCP + A2A: The Two-Protocol Stack That Will Define Agent Ecosystems in 2025 Anthropic donated MCP to the Linux Foundation in December 2025. Google contributed A2A to the Linux Foundation in June 2025. Over 150 organizations now support the A2A protocol. These aren't just press releases — they're the birth of a new infrastructure layer for AI. What Each Protocol Does MCP (Model Context Protocol) is vertical. It connects a single agent to external tools, data sources, and services. T...
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