Beta SDKs for the 2026-07-28 MCP Spec Release Candidate Are Here

The MCP protocol is about to undergo its biggest revision since launch. As you might’ve seen from our recent release candidate announcement , the new protocol revision goes stateless, removing the initialize handshake and the protocol-level session, and completing the plan we laid out in The Future of MCP Transports . If you’re building MCP servers, you can now scale them using a simple round-robin load balancer, removing the need to manage sticky sessions and to store shared sessions. For client developers, new patterns, like Multi Round-Trip Requests (MRTR) enable a whole new range of possib