In that case, you can use a skill calling an HTTP+JSON endpoint. Or if you mean it's literally a remote CLI, so it needs bidi streaming, that's what websockets

In that case, you can use a skill calling an HTTP+JSON endpoint. Or if you mean it's literally a remote CLI, so it needs bidi streaming, that's what websockets is for (or gRPC but ehh). Those are well-established. MCP sounds like one of those "we need yet another a new standard, this time to rule them all" things.