MCP went stateless: Is your AWS MCP server deployment well-architected?

The MCP protocol core becomes stateless in the 2026-07-28 specification, removing the initialize handshake and session header. The change lets AWS MCP server deployments dispense with sticky sessions and session stores, and the post maps the design to the AWS Well-Architected Agentic AI Lens.

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  1. AWS Architecture Blog

    MCP went stateless: Is your AWS MCP server deployment well-architected?

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