MCP vs. APIs: Why AI Agents Needed Their Own Protocol Understanding the "USB-C for AI" standard that OpenAI, Google, and thousands of developers have now bought into For as long as software has talked to other software, it's done so through APIs. You read the docs, hardcode the endpoint, parse the response, and if the API changes, you go fix your code. That's worked fine for two decades of human-written integrations. It falls apart once the thing calling the API is a language model instead ...