Microsoft CEO Satya Nadella’s endorsement of Google DeepMind‘s Agent2Agent (A2A) open protocol and Anthropic’s Model Context Protocol (MCP) will immediately accelerate agentic AI-based collaboration and interdependence, leading to rapid gains in agentic-based apps and platforms. Nadella’s endorsement delivers the catalyst the agentic AI development community needed to fast-track their collaborations, leading to entirely new apps, platforms and networks. Having historically been open about the potential for agentic AI to integrate across platforms, yesterday’s announcement, which also unveiled upcoming support for CoPilot Studio and Foundry, set a new precedent in how committed Microsoft is to open agentic standards. “Open protocols like A2A and MCP are key to enabling the agentic web,” he said before announcing upcoming support in Copilot Studio and Foundry. While often agreeing with the concept of open standards for agentic AI integration, this is the first time he’s endorsed a standard publicly. Nadella’s influence on the industry will lead to a shift from proprietary ecosystems toward cross-platform, agentic AI collaboration. Nadella’s endorsement of A2A and MCP protocols shows how far the Microsoft senior management team has agreed that an open protocol approach is the best direction for the company. Endorsing both on the same day shows how far Microsoft is in its strategies related to agentic AI collaboration, integration and how diverse agentic AI architectures can be combined. Interested in enabling agentic AI providers to collaborate in creating new agentic apps, systems and platforms, Microsoft’s enforcement of A2A and MCP will prove to be a noteworthy catalyst for agentic AI’s growth. 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. That removes significant roadblocks for the hundreds of agentic AI startups and partners that rely on these companies for future growth.