MCP goes stateless

MCP 2026-07-28 shipped today, and the headline change is a stateless core: no more initialize handshake, no more sessions. That's the exact shape I built joost.blog's MCP endpoint in back in May, when it was a tolerated corner of the spec rather than the spec itself. Here's what changed in my hand-rolled endpoint, why most of an MCP server on a static site can now be CDN, and why my agent skills…