jsonrpc.proto

syntax = "proto3";

option go_package = "github.com/rustycl0ck/mcp-grpc-transport/pkg/protogen/jsonrpc";

import "google/protobuf/struct.proto";

service JSONRPCService {
  rpc Transport (stream GenericJSONRPCMessage) returns (stream GenericJSONRPCMessage);
}

// Represents a request ID (string or number)
message ID {
  oneof kind {
    string str = 1;
    int64 num = 2;
  }
}

message GenericJSONRPCMessage {
  string jsonrpc = 1;
  ID typed_id = 2;
  string method = 3;
  google.protobuf.Struct params = 4;
  google.protobuf.Struct result = 5;
  JSONRPCError error = 6;
}

message JSONRPCError {
  int32 code = 1;
  string message = 2;
  string data = 3;
}