USB was developed by a big alliance of major software and hardware vendors. This stuff on the other hand always feels like Anthropic is just scared of dropping out of the news cycle because other companies are constantly releasing models or making them cheaper, while they currently have nothing real to offer themselves. MCP was a complete clusterfuck an announced at a time when OpenAI absolutely dominated with reasoning models while Anthropic's first reasoning model was still months off. The only reason it took off is because noone else bothered to make something better and managers loved it so much that everyone else got dragged on board because of demand.