diff --git a/error.go b/error.go
index 1fe5893..ab8d02a 100644
--- a/error.go
+++ b/error.go
@@ -1,7 +1,7 @@
 package grpc
 
 import (
-	pberr "github.com/unistack-org/micro-server-grpc/errors"
+	pberr "github.com/unistack-org/micro-client-grpc/errors"
 	"github.com/unistack-org/micro/v3/errors"
 	"google.golang.org/grpc/status"
 )
diff --git a/errors/errors.go b/errors/errors.go
new file mode 100644
index 0000000..6dde75c
--- /dev/null
+++ b/errors/errors.go
@@ -0,0 +1,159 @@
+package errors
+
+import (
+	"fmt"
+)
+
+func (e *Error) Error() string {
+	return fmt.Sprintf(`{"id":"%s","code":%d,"detail":"%s","status":"%s"}`, e.Id, e.Code, e.Detail, e.Status)
+}
+
+// New generates a custom error.
+func New(id, detail string, code int32) error {
+	return &Error{
+		Id:     id,
+		Code:   code,
+		Detail: detail,
+		//	Status: http.StatusText(int(code)),
+	}
+}
+
+// BadRequest generates a 400 error.
+func BadRequest(id, format string, a ...interface{}) error {
+	return &Error{
+		Id:     id,
+		Code:   400,
+		Detail: fmt.Sprintf(format, a...),
+		//		Status: http.StatusText(400),
+	}
+}
+
+// Unauthorized generates a 401 error.
+func Unauthorized(id, format string, a ...interface{}) error {
+	return &Error{
+		Id:     id,
+		Code:   401,
+		Detail: fmt.Sprintf(format, a...),
+		//		Status: http.StatusText(401),
+	}
+}
+
+// Forbidden generates a 403 error.
+func Forbidden(id, format string, a ...interface{}) error {
+	return &Error{
+		Id:     id,
+		Code:   403,
+		Detail: fmt.Sprintf(format, a...),
+		//		Status: http.StatusText(403),
+	}
+}
+
+// NotFound generates a 404 error.
+func NotFound(id, format string, a ...interface{}) error {
+	return &Error{
+		Id:     id,
+		Code:   404,
+		Detail: fmt.Sprintf(format, a...),
+		//	Status: http.StatusText(404),
+	}
+}
+
+// MethodNotAllowed generates a 405 error.
+func MethodNotAllowed(id, format string, a ...interface{}) error {
+	return &Error{
+		Id:     id,
+		Code:   405,
+		Detail: fmt.Sprintf(format, a...),
+		//Status: http.StatusText(405),
+	}
+}
+
+// Timeout generates a 408 error.
+func Timeout(id, format string, a ...interface{}) error {
+	return &Error{
+		Id:     id,
+		Code:   408,
+		Detail: fmt.Sprintf(format, a...),
+		//Status: http.StatusText(408),
+	}
+}
+
+// Conflict generates a 409 error.
+func Conflict(id, format string, a ...interface{}) error {
+	return &Error{
+		Id:     id,
+		Code:   409,
+		Detail: fmt.Sprintf(format, a...),
+		//Status: http.StatusText(409),
+	}
+}
+
+// InternalServerError generates a 500 error.
+func InternalServerError(id, format string, a ...interface{}) error {
+	return &Error{
+		Id:     id,
+		Code:   500,
+		Detail: fmt.Sprintf(format, a...),
+		//Status: http.StatusText(500),
+	}
+}
+
+// NotImplemented generates a 501 error
+func NotImplemented(id, format string, a ...interface{}) error {
+	return &Error{
+		Id:     id,
+		Code:   501,
+		Detail: fmt.Sprintf(format, a...),
+		//Status: http.StatusText(501),
+	}
+}
+
+// BadGateway generates a 502 error
+func BadGateway(id, format string, a ...interface{}) error {
+	return &Error{
+		Id:     id,
+		Code:   502,
+		Detail: fmt.Sprintf(format, a...),
+		//	Status: http.StatusText(502),
+	}
+}
+
+// ServiceUnavailable generates a 503 error
+func ServiceUnavailable(id, format string, a ...interface{}) error {
+	return &Error{
+		Id:     id,
+		Code:   503,
+		Detail: fmt.Sprintf(format, a...),
+		//Status: http.StatusText(503),
+	}
+}
+
+// GatewayTimeout generates a 504 error
+func GatewayTimeout(id, format string, a ...interface{}) error {
+	return &Error{
+		Id:     id,
+		Code:   504,
+		Detail: fmt.Sprintf(format, a...),
+		//Status: http.StatusText(504),
+	}
+}
+
+// Equal tries to compare errors
+func Equal(err1 error, err2 error) bool {
+	verr1, ok1 := err1.(*Error)
+	verr2, ok2 := err2.(*Error)
+
+	if ok1 != ok2 {
+		return false
+	}
+
+	if !ok1 {
+		return err1 == err2
+	}
+
+	if verr1.Code != verr2.Code {
+		return false
+	}
+
+	return true
+}
diff --git a/errors/errors.pb.go b/errors/errors.pb.go
new file mode 100644
index 0000000..b66a42c
--- /dev/null
+++ b/errors/errors.pb.go
@@ -0,0 +1,173 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.25.0-devel
+// 	protoc        v3.6.1
+// source: errors.proto
+
+package errors
+
+import (
+	proto "github.com/golang/protobuf/proto"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// This is a compile-time assertion that a sufficiently up-to-date version
+// of the legacy proto package is being used.
+const _ = proto.ProtoPackageIsVersion4
+
+type Error struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Id     string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+	Code   int32  `protobuf:"varint,2,opt,name=code,proto3" json:"code,omitempty"`
+	Detail string `protobuf:"bytes,3,opt,name=detail,proto3" json:"detail,omitempty"`
+	Status string `protobuf:"bytes,4,opt,name=status,proto3" json:"status,omitempty"`
+}
+
+func (x *Error) Reset() {
+	*x = Error{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_errors_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Error) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Error) ProtoMessage() {}
+
+func (x *Error) ProtoReflect() protoreflect.Message {
+	mi := &file_errors_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Error.ProtoReflect.Descriptor instead.
+func (*Error) Descriptor() ([]byte, []int) {
+	return file_errors_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *Error) GetId() string {
+	if x != nil {
+		return x.Id
+	}
+	return ""
+}
+
+func (x *Error) GetCode() int32 {
+	if x != nil {
+		return x.Code
+	}
+	return 0
+}
+
+func (x *Error) GetDetail() string {
+	if x != nil {
+		return x.Detail
+	}
+	return ""
+}
+
+func (x *Error) GetStatus() string {
+	if x != nil {
+		return x.Status
+	}
+	return ""
+}
+
+var File_errors_proto protoreflect.FileDescriptor
+
+var file_errors_proto_rawDesc = []byte{
+	0x0a, 0x0c, 0x65, 0x72, 0x72, 0x6f, 0x72, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x06,
+	0x65, 0x72, 0x72, 0x6f, 0x72, 0x73, 0x22, 0x5b, 0x0a, 0x05, 0x45, 0x72, 0x72, 0x6f, 0x72, 0x12,
+	0x0e, 0x0a, 0x02, 0x69, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x02, 0x69, 0x64, 0x12,
+	0x12, 0x0a, 0x04, 0x63, 0x6f, 0x64, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x05, 0x52, 0x04, 0x63,
+	0x6f, 0x64, 0x65, 0x12, 0x16, 0x0a, 0x06, 0x64, 0x65, 0x74, 0x61, 0x69, 0x6c, 0x18, 0x03, 0x20,
+	0x01, 0x28, 0x09, 0x52, 0x06, 0x64, 0x65, 0x74, 0x61, 0x69, 0x6c, 0x12, 0x16, 0x0a, 0x06, 0x73,
+	0x74, 0x61, 0x74, 0x75, 0x73, 0x18, 0x04, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x73, 0x74, 0x61,
+	0x74, 0x75, 0x73, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_errors_proto_rawDescOnce sync.Once
+	file_errors_proto_rawDescData = file_errors_proto_rawDesc
+)
+
+func file_errors_proto_rawDescGZIP() []byte {
+	file_errors_proto_rawDescOnce.Do(func() {
+		file_errors_proto_rawDescData = protoimpl.X.CompressGZIP(file_errors_proto_rawDescData)
+	})
+	return file_errors_proto_rawDescData
+}
+
+var file_errors_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
+var file_errors_proto_goTypes = []interface{}{
+	(*Error)(nil), // 0: errors.Error
+}
+var file_errors_proto_depIdxs = []int32{
+	0, // [0:0] is the sub-list for method output_type
+	0, // [0:0] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_errors_proto_init() }
+func file_errors_proto_init() {
+	if File_errors_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_errors_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Error); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_errors_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   1,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_errors_proto_goTypes,
+		DependencyIndexes: file_errors_proto_depIdxs,
+		MessageInfos:      file_errors_proto_msgTypes,
+	}.Build()
+	File_errors_proto = out.File
+	file_errors_proto_rawDesc = nil
+	file_errors_proto_goTypes = nil
+	file_errors_proto_depIdxs = nil
+}
diff --git a/errors/errors.pb.micro.go b/errors/errors.pb.micro.go
new file mode 100644
index 0000000..f1bb9d4
--- /dev/null
+++ b/errors/errors.pb.micro.go
@@ -0,0 +1,21 @@
+// Code generated by protoc-gen-micro. DO NOT EDIT.
+// source: errors.proto
+
+package errors
+
+import (
+	fmt "fmt"
+	proto "github.com/golang/protobuf/proto"
+	math "math"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
diff --git a/errors/errors.proto b/errors/errors.proto
new file mode 100644
index 0000000..e9d51ff
--- /dev/null
+++ b/errors/errors.proto
@@ -0,0 +1,10 @@
+syntax = "proto3";
+
+package errors;
+
+message Error {
+  string id = 1;
+  int32 code = 2;
+  string detail = 3;
+  string status = 4;
+};
diff --git a/generate.go b/generate.go
new file mode 100644
index 0000000..599d850
--- /dev/null
+++ b/generate.go
@@ -0,0 +1,3 @@
+package grpc
+
+//go:generate protoc -I./errors -I. --go-grpc_out=paths=source_relative:./errors --go_out=paths=source_relative:./errors --micro_out=paths=source_relative:./errors errors/errors.proto
diff --git a/go.mod b/go.mod
index 572e231..aeb252c 100644
--- a/go.mod
+++ b/go.mod
@@ -4,9 +4,12 @@ go 1.15
 
 require (
 	github.com/golang/protobuf v1.4.2
+	github.com/google/go-cmp v0.5.1 // indirect
 	github.com/unistack-org/micro-codec-bytes v0.0.0-20200828083432-4e49e953d844
-	github.com/unistack-org/micro-server-grpc v0.0.0-20200922093840-830e8ebadd70
 	github.com/unistack-org/micro/v3 v3.0.0-gamma.0.20200920124807-9b11ea527aeb
+	golang.org/x/sys v0.0.0-20200803210538-64077c9b5642 // indirect
+	golang.org/x/text v0.3.3 // indirect
+	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
 	google.golang.org/grpc v1.31.1
 	google.golang.org/protobuf v1.25.0
 )
diff --git a/go.sum b/go.sum
index 092f601..1c3ca44 100644
--- a/go.sum
+++ b/go.sum
@@ -258,8 +258,6 @@ github.com/unistack-org/micro-codec-bytes v0.0.0-20200828083432-4e49e953d844 h1:
 github.com/unistack-org/micro-codec-bytes v0.0.0-20200828083432-4e49e953d844/go.mod h1:g5sOI8TWgGZiVHe8zoUPdtz7+0oLnqTnfBoai6Qb7jE=
 github.com/unistack-org/micro-config-cmd v0.0.0-20200909210346-ec89783dc46c/go.mod h1:6pm1cadbwsFcEW1ZbV5Fp0i3goR3TNfROMNSPih3I8k=
 github.com/unistack-org/micro-config-cmd v0.0.0-20200909210755-6e7e85eeab34/go.mod h1:fT1gYn+TtfVZZ5tNx56bZIncJjmlji66g7GKdWua5hE=
-github.com/unistack-org/micro-server-grpc v0.0.0-20200922093840-830e8ebadd70 h1:j6+e/TM92t5lxr6uYc1/bjj80wWgUuZIwgNQ9uIUUDY=
-github.com/unistack-org/micro-server-grpc v0.0.0-20200922093840-830e8ebadd70/go.mod h1:3q7iOC9p1EEyC12gsiUL7HiYD9I44IdnhdW6y8ZkrgQ=
 github.com/unistack-org/micro/v3 v3.0.0-20200827083227-aa99378adc6e h1:oMUWUSX7pQNdujHQRp4rlDg3+MCah05uYc2+ouz+V2Q=
 github.com/unistack-org/micro/v3 v3.0.0-20200827083227-aa99378adc6e/go.mod h1:rPQbnry3nboAnMczj8B1Gzlcyv/HYoMZLgd3/3nttJ4=
 github.com/unistack-org/micro/v3 v3.0.0-gamma.0.20200909210629-caec730248b1/go.mod h1:mmqHR9WelHUXqg2mELjsQ+FJHcWs6mNmXg+wEYO2T3c=