September 25, 2026•1 min read•from InfoQ

Scale AWS Server Deployments Effortlessly with Stateless Model Context Protocol

AWS details how the latest Model Context Protocol specification removes protocol-level sessions, sticky-session requirements, and session storage for remote MCP servers. The change enables independent request routing and simpler horizontal scaling while shifting application state, retries, observability, and idempotency concerns to other layers.

By Leela Kumili

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Tagged with

#MCP

#Model Context Protocol

#AWS

#Stateless

#Session Affinity

#Server Deployments

#Horizontal Scaling

#Request Routing

#Application State

#Observability

#Idempotency

#Retries

#Sticky Sessions

#Remote Servers

#Protocol-Level Sessions

#Session Storage

#Independent Routing

#Layers

#Scaling

#Architecture