Model Context Protocol prepares to break with its stateful past

AI seemed simpler in 2024 when Anthropic released the first version of the Model Context Protocol (MCP), an open standard for connecting AI applications to external systems. Back then, developers primarily used the protocol on their personal computers. As those laptop-bound demos were adapted for multi-client enterprise use, MCP servers moved into the cloud, where the original design quickly created scalability problems. On July 28, MCP's maintainers plan to finalize the protocol's 2026-07-28 re