Arcade founder Nate Barbettini explained that the Model Context Protocol is receiving an update to adopt a "stateless" approach to session IDs on the server side. The current system requires individual servers to track session IDs across load-balanced deployments, creating difficulties for companies running MCP servers at scale. The upcoming change, with the spec public since May, aims to make the protocol easier to maintain and cheaper to operate, addressing infrastructure barriers that have limited large-scale MCP integrations.
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