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>MCP is just RPC over a long-lived connection, most cases being a Websocket. My impression was that MCP used SSE and that not using websockets was one of the m

>MCP is just RPC over a long-lived connection, most cases being a Websocket. My impression was that MCP used SSE and that not using websockets was one of the main reasons it isn't enterprise ready - because it requires maintaining server side state which makes it difficult to deploy at scale. Did they change it to websockets? https://raz.sh/blog/2025-05-02_a_critical_look_at_mcp https://raz.sh/blog/2025-05-02_a_critical_look_at_mcp

mdaniel 1y ago
Not "change" but it does seem to be an option https://modelcontextprotocol.io/specification/2025-03-26/basic/transports#custom-transports https://modelcontextprotocol.io/specification/2025-03-26/bas... As for the stateless part, they heard you and made sure to bring sessions back to SSE: https://modelcontextprotocol.io/specification/2025-03-26/basic/transports#session-management https://modelcontextprotocol.io/specification/2025-03-26/bas...