Code Mala Tang

May 28, 2026 · Backend Development

Why MCP’s New Stateless Design Eliminates Session Stores and Handshakes

Version 2026‑07‑28 of the MCP protocol rewrites the spec to be stateless, removing the initialize handshake and session‑ID header, enabling simple round‑robin routing, client‑side caching, unified tracing, and new extensions, while outlining migration challenges and operational benefits.