actually local MCP just spawns a subprocess and talks via stdin/stdout.. same as CLI tool. Extra layer is only for remote case. This might help if interested

actually local MCP just spawns a subprocess and talks via stdin/stdout.. same as CLI tool. Extra layer is only for remote case. This might help if interested - https://vectree.io/c/implementation-details-of-stdio-and-sse-transport-streams-in-cross-process-communication https://vectree.io/c/implementation-details-of-stdio-and-sse...