The latest #ModelContextProtocol spec removes protocol-level sessions, sticky sessions, and session storage for remote MCP servers.
The result? Independent request routing and simpler horizontal scaling - with state, retries, observability, and idempotency pushed to other layers.
Read more: https://www.infoq.com/news/2026/09/aws-stateless-mcp/
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.
www.infoq.com
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