MCP drops sessions to make agent servers scale like ordinary HTTP
The breaking revision replaces persistent transport state with self-contained requests, header routing and explicit application handles.
By Ryan Merket · Published
Primary source: Model Context Protocol Blog
Why it matters
MCP is becoming basic agent infrastructure. Stateless requests reduce deployment complexity, while the breaking migration shows the cost of standardizing technology that spread before its production model settled.
Led by maintainers David Soria Parra and Den Delimarsky, the Model Context Protocol project published its final 2026-07-28 specification on July 28th, replacing the agent integration standard's handshake and transport-level sessions with self-contained HTTP requests.…
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