MCP is going stateless, making AI's key plumbing easier to adopt

AI’s most important protocol is getting a little bit easier to use

MCP, the protocol that lets AI models securely connect to external tools and data, is dropping its stateful session requirement next week. The new spec shifts to a stateless model on the server side, much like how ordinary websites work. That means developers won't need to maintain complex session tracking, making integrations with Gmail, Slack, and Salesforce far simpler. Arcade, a startup that raised $60M to get AI agents working inside real companies, published a clear breakdown of the change. The draft spec has been public since May.

Why it matters: MCP's shift from stateful to stateless is a substantive architectural simplification that directly lowers the dev barrier for agent integrations. TechCrunch exclusive with a concrete release timeline and mechanism. The ding is that it's a protocol update, not a product launch,...