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The walled garden cracks: Nadella bets Microsoft’s Copilots—and Azure’s next act—on A2A/MCP interoperability


Microsoft CEO Satya Nadella’s endorsement of Google DeepMind‘s A2A open protocol and Anthropic's MCP is huge sign the industry is moving to an open garden.

This unlocks dynamic, interoperable agent ecosystems for complex enterprise automation and innovation.MCPModel Context Protocol (MCP), open-sourced by Anthropic in late 2024, specifies how AI models request context/data from external sources in a standardized, secure manner. Microsoft’s reinforcement of these protocols ensures that even if an agent changes providers, say, from a Microsoft-built solution to one from a smaller vendor, the same compliance rules remain in effect, reducing the risk of security gaps. Backing A2A and MCP open protocols ensures the core components of any agentic AI tech stack provided by Anthropic, Google or Microsoft will be compatible and capable of interoperability from the first product releases.

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