diff --git a/services/httpoverrpc/httpoverrpc.go b/services/httpoverrpc/httpoverrpc.go
index d5058079..0b72e8e7 100644
--- a/services/httpoverrpc/httpoverrpc.go
+++ b/services/httpoverrpc/httpoverrpc.go
@@ -19,4 +19,4 @@ package httpoverrpc
 
 // To regenerate the proto headers if the proto changes, just run go generate
 // and this encodes the necessary magic:
-//go:generate protoc --go_out=. --go_opt=paths=source_relative --go-grpc_out=require_unimplemented_servers=false:. --go-grpc_opt=paths=source_relative --go-grpcproxy_out=. --go-grpcproxy_opt=paths=source_relative httpoverrpc.proto
+//go:generate protoc --proto_path=../../ --go_out=../../ --go_opt=paths=source_relative --go-grpc_out=require_unimplemented_servers=false:. --go-grpc_opt=paths=source_relative --go-grpcproxy_out=../../ --go-grpcproxy_opt=paths=source_relative services/httpoverrpc/httpoverrpc.proto
diff --git a/services/httpoverrpc/httpoverrpc.pb.go b/services/httpoverrpc/httpoverrpc.pb.go
index 48d93008..6cff240a 100644
--- a/services/httpoverrpc/httpoverrpc.pb.go
+++ b/services/httpoverrpc/httpoverrpc.pb.go
@@ -17,11 +17,12 @@
 // versions:
 // 	protoc-gen-go v1.34.2
 // 	protoc        v5.29.3
-// source: httpoverrpc.proto
+// source: services/httpoverrpc/httpoverrpc.proto
 
 package httpoverrpc
 
 import (
+	_ "github.com/Snowflake-Labs/sansshell/services/mpa/annotations"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	_ "google.golang.org/protobuf/types/descriptorpb"
@@ -57,7 +58,7 @@ type HostHTTPRequest struct {
 func (x *HostHTTPRequest) Reset() {
 	*x = HostHTTPRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_httpoverrpc_proto_msgTypes[0]
+		mi := &file_services_httpoverrpc_httpoverrpc_proto_msgTypes[0]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -70,7 +71,7 @@ func (x *HostHTTPRequest) String() string {
 func (*HostHTTPRequest) ProtoMessage() {}
 
 func (x *HostHTTPRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_httpoverrpc_proto_msgTypes[0]
+	mi := &file_services_httpoverrpc_httpoverrpc_proto_msgTypes[0]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -83,7 +84,7 @@ func (x *HostHTTPRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use HostHTTPRequest.ProtoReflect.Descriptor instead.
 func (*HostHTTPRequest) Descriptor() ([]byte, []int) {
-	return file_httpoverrpc_proto_rawDescGZIP(), []int{0}
+	return file_services_httpoverrpc_httpoverrpc_proto_rawDescGZIP(), []int{0}
 }
 
 func (x *HostHTTPRequest) GetRequest() *HTTPRequest {
@@ -140,7 +141,7 @@ type TLSConfig struct {
 func (x *TLSConfig) Reset() {
 	*x = TLSConfig{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_httpoverrpc_proto_msgTypes[1]
+		mi := &file_services_httpoverrpc_httpoverrpc_proto_msgTypes[1]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -153,7 +154,7 @@ func (x *TLSConfig) String() string {
 func (*TLSConfig) ProtoMessage() {}
 
 func (x *TLSConfig) ProtoReflect() protoreflect.Message {
-	mi := &file_httpoverrpc_proto_msgTypes[1]
+	mi := &file_services_httpoverrpc_httpoverrpc_proto_msgTypes[1]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -166,7 +167,7 @@ func (x *TLSConfig) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use TLSConfig.ProtoReflect.Descriptor instead.
 func (*TLSConfig) Descriptor() ([]byte, []int) {
-	return file_httpoverrpc_proto_rawDescGZIP(), []int{1}
+	return file_services_httpoverrpc_httpoverrpc_proto_rawDescGZIP(), []int{1}
 }
 
 func (x *TLSConfig) GetInsecureSkipVerify() bool {
@@ -188,7 +189,7 @@ type DialConfig struct {
 func (x *DialConfig) Reset() {
 	*x = DialConfig{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_httpoverrpc_proto_msgTypes[2]
+		mi := &file_services_httpoverrpc_httpoverrpc_proto_msgTypes[2]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -201,7 +202,7 @@ func (x *DialConfig) String() string {
 func (*DialConfig) ProtoMessage() {}
 
 func (x *DialConfig) ProtoReflect() protoreflect.Message {
-	mi := &file_httpoverrpc_proto_msgTypes[2]
+	mi := &file_services_httpoverrpc_httpoverrpc_proto_msgTypes[2]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -214,7 +215,7 @@ func (x *DialConfig) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DialConfig.ProtoReflect.Descriptor instead.
 func (*DialConfig) Descriptor() ([]byte, []int) {
-	return file_httpoverrpc_proto_rawDescGZIP(), []int{2}
+	return file_services_httpoverrpc_httpoverrpc_proto_rawDescGZIP(), []int{2}
 }
 
 func (x *DialConfig) GetDialAddress() string {
@@ -236,7 +237,7 @@ type Header struct {
 func (x *Header) Reset() {
 	*x = Header{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_httpoverrpc_proto_msgTypes[3]
+		mi := &file_services_httpoverrpc_httpoverrpc_proto_msgTypes[3]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -249,7 +250,7 @@ func (x *Header) String() string {
 func (*Header) ProtoMessage() {}
 
 func (x *Header) ProtoReflect() protoreflect.Message {
-	mi := &file_httpoverrpc_proto_msgTypes[3]
+	mi := &file_services_httpoverrpc_httpoverrpc_proto_msgTypes[3]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -262,7 +263,7 @@ func (x *Header) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Header.ProtoReflect.Descriptor instead.
 func (*Header) Descriptor() ([]byte, []int) {
-	return file_httpoverrpc_proto_rawDescGZIP(), []int{3}
+	return file_services_httpoverrpc_httpoverrpc_proto_rawDescGZIP(), []int{3}
 }
 
 func (x *Header) GetKey() string {
@@ -294,7 +295,7 @@ type HTTPRequest struct {
 func (x *HTTPRequest) Reset() {
 	*x = HTTPRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_httpoverrpc_proto_msgTypes[4]
+		mi := &file_services_httpoverrpc_httpoverrpc_proto_msgTypes[4]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -307,7 +308,7 @@ func (x *HTTPRequest) String() string {
 func (*HTTPRequest) ProtoMessage() {}
 
 func (x *HTTPRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_httpoverrpc_proto_msgTypes[4]
+	mi := &file_services_httpoverrpc_httpoverrpc_proto_msgTypes[4]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -320,7 +321,7 @@ func (x *HTTPRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use HTTPRequest.ProtoReflect.Descriptor instead.
 func (*HTTPRequest) Descriptor() ([]byte, []int) {
-	return file_httpoverrpc_proto_rawDescGZIP(), []int{4}
+	return file_services_httpoverrpc_httpoverrpc_proto_rawDescGZIP(), []int{4}
 }
 
 func (x *HTTPRequest) GetMethod() string {
@@ -365,7 +366,7 @@ type HTTPReply struct {
 func (x *HTTPReply) Reset() {
 	*x = HTTPReply{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_httpoverrpc_proto_msgTypes[5]
+		mi := &file_services_httpoverrpc_httpoverrpc_proto_msgTypes[5]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -378,7 +379,7 @@ func (x *HTTPReply) String() string {
 func (*HTTPReply) ProtoMessage() {}
 
 func (x *HTTPReply) ProtoReflect() protoreflect.Message {
-	mi := &file_httpoverrpc_proto_msgTypes[5]
+	mi := &file_services_httpoverrpc_httpoverrpc_proto_msgTypes[5]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -391,7 +392,7 @@ func (x *HTTPReply) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use HTTPReply.ProtoReflect.Descriptor instead.
 func (*HTTPReply) Descriptor() ([]byte, []int) {
-	return file_httpoverrpc_proto_rawDescGZIP(), []int{5}
+	return file_services_httpoverrpc_httpoverrpc_proto_rawDescGZIP(), []int{5}
 }
 
 func (x *HTTPReply) GetStatusCode() int32 {
@@ -415,83 +416,88 @@ func (x *HTTPReply) GetBody() []byte {
 	return nil
 }
 
-var File_httpoverrpc_proto protoreflect.FileDescriptor
-
-var file_httpoverrpc_proto_rawDesc = []byte{
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+var File_services_httpoverrpc_httpoverrpc_proto protoreflect.FileDescriptor
+
+var file_services_httpoverrpc_httpoverrpc_proto_rawDesc = []byte{
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+	0x72, 0x70, 0x63, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
-	file_httpoverrpc_proto_rawDescOnce sync.Once
-	file_httpoverrpc_proto_rawDescData = file_httpoverrpc_proto_rawDesc
+	file_services_httpoverrpc_httpoverrpc_proto_rawDescOnce sync.Once
+	file_services_httpoverrpc_httpoverrpc_proto_rawDescData = file_services_httpoverrpc_httpoverrpc_proto_rawDesc
 )
 
-func file_httpoverrpc_proto_rawDescGZIP() []byte {
-	file_httpoverrpc_proto_rawDescOnce.Do(func() {
-		file_httpoverrpc_proto_rawDescData = protoimpl.X.CompressGZIP(file_httpoverrpc_proto_rawDescData)
+func file_services_httpoverrpc_httpoverrpc_proto_rawDescGZIP() []byte {
+	file_services_httpoverrpc_httpoverrpc_proto_rawDescOnce.Do(func() {
+		file_services_httpoverrpc_httpoverrpc_proto_rawDescData = protoimpl.X.CompressGZIP(file_services_httpoverrpc_httpoverrpc_proto_rawDescData)
 	})
-	return file_httpoverrpc_proto_rawDescData
+	return file_services_httpoverrpc_httpoverrpc_proto_rawDescData
 }
 
-var file_httpoverrpc_proto_msgTypes = make([]protoimpl.MessageInfo, 6)
-var file_httpoverrpc_proto_goTypes = []any{
+var file_services_httpoverrpc_httpoverrpc_proto_msgTypes = make([]protoimpl.MessageInfo, 6)
+var file_services_httpoverrpc_httpoverrpc_proto_goTypes = []any{
 	(*HostHTTPRequest)(nil), // 0: HTTPOverRPC.HostHTTPRequest
 	(*TLSConfig)(nil),       // 1: HTTPOverRPC.TLSConfig
 	(*DialConfig)(nil),      // 2: HTTPOverRPC.DialConfig
@@ -499,7 +505,7 @@ var file_httpoverrpc_proto_goTypes = []any{
 	(*HTTPRequest)(nil),     // 4: HTTPOverRPC.HTTPRequest
 	(*HTTPReply)(nil),       // 5: HTTPOverRPC.HTTPReply
 }
-var file_httpoverrpc_proto_depIdxs = []int32{
+var file_services_httpoverrpc_httpoverrpc_proto_depIdxs = []int32{
 	4, // 0: HTTPOverRPC.HostHTTPRequest.request:type_name -> HTTPOverRPC.HTTPRequest
 	1, // 1: HTTPOverRPC.HostHTTPRequest.tlsconfig:type_name -> HTTPOverRPC.TLSConfig
 	2, // 2: HTTPOverRPC.HostHTTPRequest.dialconfig:type_name -> HTTPOverRPC.DialConfig
@@ -514,13 +520,13 @@ var file_httpoverrpc_proto_depIdxs = []int32{
 	0, // [0:5] is the sub-list for field type_name
 }
 
-func init() { file_httpoverrpc_proto_init() }
-func file_httpoverrpc_proto_init() {
-	if File_httpoverrpc_proto != nil {
+func init() { file_services_httpoverrpc_httpoverrpc_proto_init() }
+func file_services_httpoverrpc_httpoverrpc_proto_init() {
+	if File_services_httpoverrpc_httpoverrpc_proto != nil {
 		return
 	}
 	if !protoimpl.UnsafeEnabled {
-		file_httpoverrpc_proto_msgTypes[0].Exporter = func(v any, i int) any {
+		file_services_httpoverrpc_httpoverrpc_proto_msgTypes[0].Exporter = func(v any, i int) any {
 			switch v := v.(*HostHTTPRequest); i {
 			case 0:
 				return &v.state
@@ -532,7 +538,7 @@ func file_httpoverrpc_proto_init() {
 				return nil
 			}
 		}
-		file_httpoverrpc_proto_msgTypes[1].Exporter = func(v any, i int) any {
+		file_services_httpoverrpc_httpoverrpc_proto_msgTypes[1].Exporter = func(v any, i int) any {
 			switch v := v.(*TLSConfig); i {
 			case 0:
 				return &v.state
@@ -544,7 +550,7 @@ func file_httpoverrpc_proto_init() {
 				return nil
 			}
 		}
-		file_httpoverrpc_proto_msgTypes[2].Exporter = func(v any, i int) any {
+		file_services_httpoverrpc_httpoverrpc_proto_msgTypes[2].Exporter = func(v any, i int) any {
 			switch v := v.(*DialConfig); i {
 			case 0:
 				return &v.state
@@ -556,7 +562,7 @@ func file_httpoverrpc_proto_init() {
 				return nil
 			}
 		}
-		file_httpoverrpc_proto_msgTypes[3].Exporter = func(v any, i int) any {
+		file_services_httpoverrpc_httpoverrpc_proto_msgTypes[3].Exporter = func(v any, i int) any {
 			switch v := v.(*Header); i {
 			case 0:
 				return &v.state
@@ -568,7 +574,7 @@ func file_httpoverrpc_proto_init() {
 				return nil
 			}
 		}
-		file_httpoverrpc_proto_msgTypes[4].Exporter = func(v any, i int) any {
+		file_services_httpoverrpc_httpoverrpc_proto_msgTypes[4].Exporter = func(v any, i int) any {
 			switch v := v.(*HTTPRequest); i {
 			case 0:
 				return &v.state
@@ -580,7 +586,7 @@ func file_httpoverrpc_proto_init() {
 				return nil
 			}
 		}
-		file_httpoverrpc_proto_msgTypes[5].Exporter = func(v any, i int) any {
+		file_services_httpoverrpc_httpoverrpc_proto_msgTypes[5].Exporter = func(v any, i int) any {
 			switch v := v.(*HTTPReply); i {
 			case 0:
 				return &v.state
@@ -593,24 +599,24 @@ func file_httpoverrpc_proto_init() {
 			}
 		}
 	}
-	file_httpoverrpc_proto_msgTypes[0].OneofWrappers = []any{}
-	file_httpoverrpc_proto_msgTypes[2].OneofWrappers = []any{}
+	file_services_httpoverrpc_httpoverrpc_proto_msgTypes[0].OneofWrappers = []any{}
+	file_services_httpoverrpc_httpoverrpc_proto_msgTypes[2].OneofWrappers = []any{}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_httpoverrpc_proto_rawDesc,
+			RawDescriptor: file_services_httpoverrpc_httpoverrpc_proto_rawDesc,
 			NumEnums:      0,
 			NumMessages:   6,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
-		GoTypes:           file_httpoverrpc_proto_goTypes,
-		DependencyIndexes: file_httpoverrpc_proto_depIdxs,
-		MessageInfos:      file_httpoverrpc_proto_msgTypes,
+		GoTypes:           file_services_httpoverrpc_httpoverrpc_proto_goTypes,
+		DependencyIndexes: file_services_httpoverrpc_httpoverrpc_proto_depIdxs,
+		MessageInfos:      file_services_httpoverrpc_httpoverrpc_proto_msgTypes,
 	}.Build()
-	File_httpoverrpc_proto = out.File
-	file_httpoverrpc_proto_rawDesc = nil
-	file_httpoverrpc_proto_goTypes = nil
-	file_httpoverrpc_proto_depIdxs = nil
+	File_services_httpoverrpc_httpoverrpc_proto = out.File
+	file_services_httpoverrpc_httpoverrpc_proto_rawDesc = nil
+	file_services_httpoverrpc_httpoverrpc_proto_goTypes = nil
+	file_services_httpoverrpc_httpoverrpc_proto_depIdxs = nil
 }
diff --git a/services/httpoverrpc/httpoverrpc.proto b/services/httpoverrpc/httpoverrpc.proto
index 3eeed858..41ea965d 100644
--- a/services/httpoverrpc/httpoverrpc.proto
+++ b/services/httpoverrpc/httpoverrpc.proto
@@ -17,6 +17,7 @@
 syntax = "proto3";
 
 import "google/protobuf/descriptor.proto";
+import "services/mpa/annotations/mpa_annotations.proto";
 
 option go_package = "github.com/Snowflake-Labs/sansshell/httpoverrpc";
 
@@ -29,7 +30,7 @@ service HTTPOverRPC {
 }
 
 message HostHTTPRequest {
-  HTTPRequest request = 1;
+  HTTPRequest request = 1 [(sansshell.annotations.mpa_redacted) = true];
   // The port to use for the request on the local host.
   int32 port = 2;
   // Hostname can be specified as either an ip address or domain name
diff --git a/services/mpa/annotations/annotations.go b/services/mpa/annotations/annotations.go
new file mode 100644
index 00000000..a52023d0
--- /dev/null
+++ b/services/mpa/annotations/annotations.go
@@ -0,0 +1,22 @@
+/* Copyright (c) 2025 Snowflake Inc. All rights reserved.
+
+   Licensed under the Apache License, Version 2.0 (the
+   "License"); you may not use this file except in compliance
+   with the License.  You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing,
+   software distributed under the License is distributed on an
+   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+   KIND, either express or implied.  See the License for the
+   specific language governing permissions and limitations
+   under the License.
+*/
+
+// Package mpa defines the RPC interface for the sansshell MPA actions.
+package annotations
+
+// To regenerate the proto headers if the .proto changes, just run go generate
+// and this encodes the necessary magic:
+//go:generate protoc --go_out=. --go_opt=paths=source_relative --go-grpc_out=require_unimplemented_servers=false:. --go-grpc_opt=paths=source_relative --go-grpcproxy_out=. --go-grpcproxy_opt=paths=source_relative mpa_annotations.proto
diff --git a/services/mpa/annotations/mpa_annotations.pb.go b/services/mpa/annotations/mpa_annotations.pb.go
new file mode 100644
index 00000000..6b952204
--- /dev/null
+++ b/services/mpa/annotations/mpa_annotations.pb.go
@@ -0,0 +1,94 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.34.2
+// 	protoc        v5.29.3
+// source: mpa_annotations.proto
+
+package annotations
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	descriptorpb "google.golang.org/protobuf/types/descriptorpb"
+	reflect "reflect"
+)
+
+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)
+)
+
+var file_mpa_annotations_proto_extTypes = []protoimpl.ExtensionInfo{
+	{
+		ExtendedType:  (*descriptorpb.FieldOptions)(nil),
+		ExtensionType: (*bool)(nil),
+		Field:         50000,
+		Name:          "sansshell.annotations.mpa_redacted",
+		Tag:           "varint,50000,opt,name=mpa_redacted",
+		Filename:      "mpa_annotations.proto",
+	},
+}
+
+// Extension fields to descriptorpb.FieldOptions.
+var (
+	// optional bool mpa_redacted = 50000;
+	E_MpaRedacted = &file_mpa_annotations_proto_extTypes[0] // Using a high number to avoid conflicts
+)
+
+var File_mpa_annotations_proto protoreflect.FileDescriptor
+
+var file_mpa_annotations_proto_rawDesc = []byte{
+	0x0a, 0x15, 0x6d, 0x70, 0x61, 0x5f, 0x61, 0x6e, 0x6e, 0x6f, 0x74, 0x61, 0x74, 0x69, 0x6f, 0x6e,
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+	0x3a, 0x42, 0x0a, 0x0c, 0x6d, 0x70, 0x61, 0x5f, 0x72, 0x65, 0x64, 0x61, 0x63, 0x74, 0x65, 0x64,
+	0x12, 0x1d, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62,
+	0x75, 0x66, 0x2e, 0x46, 0x69, 0x65, 0x6c, 0x64, 0x4f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x18,
+	0xd0, 0x86, 0x03, 0x20, 0x01, 0x28, 0x08, 0x52, 0x0b, 0x6d, 0x70, 0x61, 0x52, 0x65, 0x64, 0x61,
+	0x63, 0x74, 0x65, 0x64, 0x42, 0x3e, 0x5a, 0x3c, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63,
+	0x6f, 0x6d, 0x2f, 0x53, 0x6e, 0x6f, 0x77, 0x66, 0x6c, 0x61, 0x6b, 0x65, 0x2d, 0x4c, 0x61, 0x62,
+	0x73, 0x2f, 0x73, 0x61, 0x6e, 0x73, 0x73, 0x68, 0x65, 0x6c, 0x6c, 0x2f, 0x73, 0x65, 0x72, 0x76,
+	0x69, 0x63, 0x65, 0x73, 0x2f, 0x6d, 0x70, 0x61, 0x2f, 0x61, 0x6e, 0x6e, 0x6f, 0x74, 0x61, 0x74,
+	0x69, 0x6f, 0x6e, 0x73, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var file_mpa_annotations_proto_goTypes = []any{
+	(*descriptorpb.FieldOptions)(nil), // 0: google.protobuf.FieldOptions
+}
+var file_mpa_annotations_proto_depIdxs = []int32{
+	0, // 0: sansshell.annotations.mpa_redacted:extendee -> google.protobuf.FieldOptions
+	1, // [1:1] is the sub-list for method output_type
+	1, // [1:1] is the sub-list for method input_type
+	1, // [1:1] is the sub-list for extension type_name
+	0, // [0:1] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_mpa_annotations_proto_init() }
+func file_mpa_annotations_proto_init() {
+	if File_mpa_annotations_proto != nil {
+		return
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_mpa_annotations_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   0,
+			NumExtensions: 1,
+			NumServices:   0,
+		},
+		GoTypes:           file_mpa_annotations_proto_goTypes,
+		DependencyIndexes: file_mpa_annotations_proto_depIdxs,
+		ExtensionInfos:    file_mpa_annotations_proto_extTypes,
+	}.Build()
+	File_mpa_annotations_proto = out.File
+	file_mpa_annotations_proto_rawDesc = nil
+	file_mpa_annotations_proto_goTypes = nil
+	file_mpa_annotations_proto_depIdxs = nil
+}
diff --git a/services/mpa/annotations/mpa_annotations.proto b/services/mpa/annotations/mpa_annotations.proto
new file mode 100644
index 00000000..3e369a13
--- /dev/null
+++ b/services/mpa/annotations/mpa_annotations.proto
@@ -0,0 +1,27 @@
+/* Copyright (c) 2019 Snowflake Inc. All rights reserved.
+
+   Licensed under the Apache License, Version 2.0 (the
+   "License"); you may not use this file except in compliance
+   with the License.  You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing,
+   software distributed under the License is distributed on an
+   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+   KIND, either express or implied.  See the License for the
+   specific language governing permissions and limitations
+   under the License.
+*/
+
+syntax = "proto3";
+
+package sansshell.annotations;
+
+import "google/protobuf/descriptor.proto";
+
+option go_package = "github.com/Snowflake-Labs/sansshell/services/mpa/annotations";
+
+extend google.protobuf.FieldOptions {
+  bool mpa_redacted = 50000;  // Using a high number to avoid conflicts
+}
diff --git a/services/mpa/mpahooks/mpa_redact.go b/services/mpa/mpahooks/mpa_redact.go
new file mode 100644
index 00000000..2f88d607
--- /dev/null
+++ b/services/mpa/mpahooks/mpa_redact.go
@@ -0,0 +1,117 @@
+/* Copyright (c) 2025 Snowflake Inc. All rights reserved.
+
+   Licensed under the Apache License, Version 2.0 (the
+   "License"); you may not use this file except in compliance
+   with the License.  You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing,
+   software distributed under the License is distributed on an
+   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+   KIND, either express or implied.  See the License for the
+   specific language governing permissions and limitations
+   under the License.
+*/
+
+package mpahooks
+
+import (
+	"fmt"
+
+	"github.com/Snowflake-Labs/sansshell/services/mpa/annotations"
+	"google.golang.org/protobuf/proto"
+	"google.golang.org/protobuf/reflect/protoreflect"
+	"google.golang.org/protobuf/types/descriptorpb"
+	"google.golang.org/protobuf/types/known/anypb"
+)
+
+// RedactFieldsForMPA processes an Any proto message and redacts (sets to nil/zero)
+// any fields that are marked with the mpa_redacted annotation.
+// Returns true if the message was modified.
+func RedactFieldsForMPA(anyMsg *anypb.Any) (bool, error) {
+	if anyMsg == nil {
+		return false, nil
+	}
+	// First extract the message from Any
+	msg, err := anyMsg.UnmarshalNew()
+	if err != nil {
+		return false, fmt.Errorf("failed to unmarshal Any message: %v", err)
+	}
+
+	// Process the message to redact marked fields
+	modified := redactMessageFields(msg)
+
+	// If we made changes, update the Any message
+	if modified {
+		if err := anyMsg.MarshalFrom(msg); err != nil {
+			return false, fmt.Errorf("failed to re-marshal message: %v", err)
+		}
+	}
+
+	return modified, nil
+}
+
+// redactMessageFields recursively processes a message and redacts fields
+// marked with the mpa_redacted annotation.
+// Returns true if any field was redacted.
+func redactMessageFields(message proto.Message) bool {
+	modified := false
+
+	// Get the reflective view of the message
+	m := message.ProtoReflect()
+
+	// Iterate through all fields in the message
+	m.Range(func(fd protoreflect.FieldDescriptor, v protoreflect.Value) bool {
+		// Check if this field has the mpa_redacted option set
+		opts := fd.Options().(*descriptorpb.FieldOptions)
+
+		if proto.GetExtension(opts, annotations.E_MpaRedacted).(bool) {
+			m.Clear(fd)
+			modified = true
+			return true // Continue iteration
+		}
+
+		// If it's a message field that's not nil, recursively process it
+		if fd.Kind() == protoreflect.MessageKind && v.IsValid() {
+			if fd.IsList() {
+				// Handle repeated message fields
+				list := v.List()
+				for i := 0; i < list.Len(); i++ {
+					item := list.Get(i)
+					if item.Message().IsValid() {
+						// Create a new proto.Message from this item
+						nestedMsg := item.Message().Interface()
+						if redactMessageFields(nestedMsg) {
+							modified = true
+						}
+					}
+				}
+			} else if fd.IsMap() {
+				// Handle map fields where values are messages
+				if fd.MapValue().Kind() == protoreflect.MessageKind {
+					mapVal := v.Map()
+					mapVal.Range(func(k protoreflect.MapKey, v protoreflect.Value) bool {
+						if v.Message().IsValid() {
+							nestedMsg := v.Message().Interface()
+							if redactMessageFields(nestedMsg) {
+								modified = true
+							}
+						}
+						return true
+					})
+				}
+			} else if v.Message().IsValid() {
+				// Handle regular message fields
+				nestedMsg := v.Message().Interface()
+				if redactMessageFields(nestedMsg) {
+					modified = true
+				}
+			}
+		}
+
+		return true // Continue iteration
+	})
+
+	return modified
+}
diff --git a/services/mpa/mpahooks/mpahooks.go b/services/mpa/mpahooks/mpahooks.go
index 327e0e6f..3193a4e7 100644
--- a/services/mpa/mpahooks/mpahooks.go
+++ b/services/mpa/mpahooks/mpahooks.go
@@ -86,6 +86,11 @@ func ActionMatchesInput(ctx context.Context, action *mpa.Action, input *rpcauth.
 		return fmt.Errorf("unable to marshal into anyproto: %v", err)
 	}
 
+	// Redact fields that shouldn't be checked for equality
+	if _, err := RedactFieldsForMPA(&msg); err != nil {
+		return fmt.Errorf("error redacting message for MPA: %v", err)
+	}
+
 	// Prefer using a proxied identity if provided
 	var user string
 	if p := proxiedidentity.FromContext(ctx); p != nil {
@@ -120,6 +125,11 @@ func createAndBlockOnSingleTargetMPA(ctx context.Context, method string, req any
 		return "", fmt.Errorf("unable to marshal into anyproto: %v", err)
 	}
 
+	// Redact fields that shouldn't be stored in the MPA
+	if _, err := RedactFieldsForMPA(&msg); err != nil {
+		return "", fmt.Errorf("error redacting message for MPA: %v", err)
+	}
+
 	mpaClient := mpa.NewMpaClient(cc)
 	result, err := mpaClient.Store(ctx, &mpa.StoreRequest{
 		Method:  method,
diff --git a/services/mpa/server/server.go b/services/mpa/server/server.go
index a6fcf208..175fa263 100644
--- a/services/mpa/server/server.go
+++ b/services/mpa/server/server.go
@@ -86,10 +86,18 @@ func actionId(action *mpa.Action) (string, error) {
 	// output for the same input. Go provides a deterministic marshalling option,
 	// but this marshalling isn't guaranteed to be stable over time.
 	// JSON encoding can be made deterministic by canonicalizing.
+
+	msg := action.Message
+	// Redact fields that shouldn't be checked for equality
+	if _, err := mpahooks.RedactFieldsForMPA(msg); err != nil {
+		return "", fmt.Errorf("error redacting message for MPA: %v", err)
+	}
+
 	b, err := protojson.Marshal(action)
 	if err != nil {
 		return "", err
 	}
+
 	canonical, err := jcs.Transform(b)
 	if err != nil {
 		return "", err