MCP is the hottest thing in AI this week, but what exactly is it?

Going into this week, we knew we’d be getting a ton of Gemini AI news from Google’s I/O 2025 event, and that’s exactly what happened. Google made several key announcements for its AI products, and the future of Gemini seems brighter than ever.

But we got even more than that, as Microsoft hosted its annual Build conference before I/O, where it announced its own Copilot AI innovations for Windows.

Then there was OpenAI’s surprise announcement about Jony Ive’s io startup, which will manufacture the first of many ChatGPT products in the coming years. On top of that, OpenAI announced several improvements for its AI services.

All these separate product events had one thing in common. All three companies talked about something called MCP, short for Model Context Protocol, which is coming to Copilot, Gemini, and ChatGPT.

The name itself doesn’t mean much to most people, and we’ll probably forget about MCP after this week’s flood of AI announcements. But MCP, described as the USB-C port of AI apps, represents a major step forward. It will allow chatbots to perform more advanced assistant tasks, whether it’s accessing personal data or controlling apps and devices.

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