Types and tooling There's pitiful tooling for something like JSON-RPC and no equivalent of OpenAPI for it. If you use gRPC, there's still less tooling than th

Types and tooling There's pitiful tooling for something like JSON-RPC and no equivalent of OpenAPI for it. If you use gRPC, there's still less tooling than there is for GraphQL and the primary transport is Protobuf. Being able to make JSON HTTP requests ("JSON-Transcoding") is a second-class citizen if even supported at all by your server library.