AI Engineering

Jul 30, 2026 · Operations

MCP’s Biggest Update: Stateless Core Eliminates Sessions, Handshakes, and Lowers Remote Deployment Barriers

The latest MCP release replaces the stateful session model with a stateless request/response core, removing initialize/initialized handshakes, enabling any server instance to handle requests via round‑robin, and adding features like MRTR, header‑based routing, cacheable list results, stronger auth, task extensions, and deprecations, which dramatically simplify operations and scaling.