diff --git a/dap-tool-core/src/main/java/io/shinhanlife/dap/common/adapter/test/MockEimsHttpServer.java b/dap-tool-core/src/main/java/io/shinhanlife/dap/common/adapter/test/MockEimsHttpServer.java
index 91b0c292..17113ddb 100644
--- a/dap-tool-core/src/main/java/io/shinhanlife/dap/common/adapter/test/MockEimsHttpServer.java
+++ b/dap-tool-core/src/main/java/io/shinhanlife/dap/common/adapter/test/MockEimsHttpServer.java
@@ -77,7 +77,7 @@ public class MockEimsHttpServer {
         log.info(" [가짜 ESB 서버] MCI String 요청 수신 완료!");
         log.info(" 수신된 String 전문: {}", payload);
         
-        // MciSampleStringRes 에 맞게 고정 길이 응답 생성
+        // MciSampleStringResponse 에 맞게 고정 길이 응답 생성
         // name (10), age (3), joinDate (8), statusCode (2)
         // targetList (30) -> MciSampleTargetDto (itemCode 5, itemValue 5) x 3
         return "홍길동       03020260901OKA0001B0001A0002B0002A0003B0003";
diff --git a/dap-tool-core/src/main/java/io/shinhanlife/dap/common/integration/eai/component/AxhubEaiComponent.java b/dap-tool-core/src/main/java/io/shinhanlife/dap/common/integration/eai/component/AxhubEaiComponent.java
index d0a707c3..d4357bc3 100644
--- a/dap-tool-core/src/main/java/io/shinhanlife/dap/common/integration/eai/component/AxhubEaiComponent.java
+++ b/dap-tool-core/src/main/java/io/shinhanlife/dap/common/integration/eai/component/AxhubEaiComponent.java
@@ -74,7 +74,7 @@ public class AxhubEaiComponent {
     }
 
     /**
-     * EAI 호출 (Res body class와 rcvSvcId 없는 경우)
+     * EAI 호출 (Response body class와 rcvSvcId 없는 경우)
      */
     public <O, I> Transfer<O> call(String itrfId, I inputDTO) throws Exception {
         String className = inputDTO.getClass().getSimpleName();
diff --git a/dap-tool-core/src/main/java/io/shinhanlife/dap/common/integration/mci/component/AxhubMciComponent.java b/dap-tool-core/src/main/java/io/shinhanlife/dap/common/integration/mci/component/AxhubMciComponent.java
index b55f6207..9d20fd7e 100644
--- a/dap-tool-core/src/main/java/io/shinhanlife/dap/common/integration/mci/component/AxhubMciComponent.java
+++ b/dap-tool-core/src/main/java/io/shinhanlife/dap/common/integration/mci/component/AxhubMciComponent.java
@@ -137,7 +137,7 @@ public class AxhubMciComponent {
     }
 
     /**
-     * 대내 mci 호출 (Res body class와 rcvSvcId 없는 경우)
+     * 대내 mci 호출 (Response body class와 rcvSvcId 없는 경우)
      * @param itrfName 인터페이스Id
      * @param inputDTO 수신서비스Id (클래스명 대체)
      * @return Transfer
diff --git a/dap-tool-core/src/main/java/io/shinhanlife/dap/common/util/ToolScaffolder.java b/dap-tool-core/src/main/java/io/shinhanlife/dap/common/util/ToolScaffolder.java
index 083aebec..04362196 100644
--- a/dap-tool-core/src/main/java/io/shinhanlife/dap/common/util/ToolScaffolder.java
+++ b/dap-tool-core/src/main/java/io/shinhanlife/dap/common/util/ToolScaffolder.java
@@ -100,7 +100,7 @@ public class ToolScaffolder {
 
         StringBuilder log = new StringBuilder();
 
-        // Generate Req DTO
+        // Generate Request DTO
         String reqContent = """
             package %s.dto;
 
@@ -110,7 +110,7 @@ public class ToolScaffolder {
 
             /**
              * @package %s.dto
-             * @className %sReq
+             * @className %sRequest
              * @description AX HUB 시스템 처리 클래스
              * @author %s
              * @create %s
@@ -124,7 +124,7 @@ public class ToolScaffolder {
              */
             @Data
             @JsonInclude(JsonInclude.Include.NON_NULL)
-            public class %sReq {
+            public class %sRequest {
                 @McpParameter(description = "수신자 전화번호", required = true)
                 private String phoneNumber;
 
@@ -132,9 +132,9 @@ public class ToolScaffolder {
                 private String message;
             }
             """.formatted(BASE_PACKAGE, BASE_PACKAGE, BASE_PACKAGE, baseName, author, createDate, createDate, author, baseName);
-        Files.writeString(dtoDir.resolve(baseName + "Req.java"), reqContent);
+        Files.writeString(dtoDir.resolve(baseName + "Request.java"), reqContent);
 
-        // Generate Res DTO
+        // Generate Response DTO
         String resContent = """
             package %s.dto;
 
@@ -143,7 +143,7 @@ public class ToolScaffolder {
 
             /**
              * @package %s.dto
-             * @className %sRes
+             * @className %sResponse
              * @description AX HUB 시스템 처리 클래스
              * @author %s
              * @create %s
@@ -157,23 +157,23 @@ public class ToolScaffolder {
              */
             @Data
             @JsonInclude(JsonInclude.Include.NON_NULL)
-            public class %sRes {
+            public class %sResponse {
                 private String status;
                 private String message;
                 // TODO: Add response fields here
             }
             """.formatted(BASE_PACKAGE, BASE_PACKAGE, baseName, author, createDate, createDate, author, baseName);
-        Files.writeString(dtoDir.resolve(baseName + "Res.java"), resContent);
+        Files.writeString(dtoDir.resolve(baseName + "Response.java"), resContent);
 
         String toolName = baseName.isEmpty() ? baseName : Character.toLowerCase(baseName.charAt(0)) + baseName.substring(1);
 
         String serviceInterfaceContent = """
             package %s.service;
 
-            import %s.dto.%sReq;
+            import %s.dto.%sRequest;
 
             public interface %sService {
-                Object execute(%sReq req);
+                Object execute(%sRequest req);
             }
             """.formatted(BASE_PACKAGE, BASE_PACKAGE, baseName, baseName, baseName);
         
@@ -188,8 +188,8 @@ public class ToolScaffolder {
 
                 import %s.annotation.McpFunction;
                 import %s.annotation.McpTool;
-                import %s.dto.%sReq;
-                import %s.dto.%sRes;
+                import %s.dto.%sRequest;
+                import %s.dto.%sResponse;
                 import %s.service.%sService;
                 import io.shinhanlife.dap.common.integration.mci.component.AxhubMciComponent;
                 import io.shinhanlife.glow.communication.dto.Transfer;
@@ -198,7 +198,7 @@ public class ToolScaffolder {
                 import lombok.extern.slf4j.Slf4j;
                 import java.util.Map;
                 import %s.converter.%sLegacyConverter;
-                import %s.legacy.%sLegacyReq;
+                import %s.legacy.%sLegacyRequest;
 
                 /**
                  * @package %s.service.impl
@@ -237,16 +237,16 @@ public class ToolScaffolder {
                         requiresApproval = false,
                         openWorldHint = true
                     )
-                    public Object execute(%sReq req) {
+                    public Object execute(%sRequest req) {
                         log.info("[MCI Tool] {} 요청 수신.", "%s");
                         try {
                             // MapStruct를 이용한 자동 매핑 (AI DTO -> MCI DTO)
-                            %sLegacyReq legacyReq = converter.toLegacyReq(req);
+                            %sLegacyRequest legacyRequest = converter.toLegacyRequest(req);
 
                             Transfer<Object> resTransfer = mci.callTo(
                                     "%s", 
                                     null, 
-                                    legacyReq, 
+                                    legacyRequest, 
                                     Object.class
                             );
                             return resTransfer.getBody() != null ? resTransfer.getBody() : Map.of("status", "SUCCESS");
@@ -284,8 +284,8 @@ public class ToolScaffolder {
 
                 import %s.annotation.McpFunction;
                 import %s.annotation.McpTool;
-                import %s.dto.%sReq;
-                import %s.dto.%sRes;
+                import %s.dto.%sRequest;
+                import %s.dto.%sResponse;
                 import %s.service.%sService;
                 import %s.service.AbstractMcpToolService;
                 import %s.converter.%sLegacyConverter;
@@ -328,9 +328,9 @@ public class ToolScaffolder {
                         register = %s,
                         requiresApproval = false
                     )
-                    public Object execute(%sReq req) {
-                        // %sLegacyReq legacyReq = converter.toLegacyReq(req);
-                        return executeLegacy("%s", "%s", req); // Or pass legacyReq
+                    public Object execute(%sRequest req) {
+                        // %sLegacyRequest legacyRequest = converter.toLegacyRequest(req);
+                        return executeLegacy("%s", "%s", req); // Or pass legacyRequest
                     }
                 }
                 """.formatted(
@@ -364,7 +364,7 @@ public class ToolScaffolder {
 
                 /**
                  * @package %s.legacy
-                 * @className %sLegacyReq
+                 * @className %sLegacyRequest
                  * @description AX HUB 시스템 처리 클래스
                  * @author %s
                  * @create %s
@@ -377,7 +377,7 @@ public class ToolScaffolder {
                  * </pre>
                  */
                 @Data
-                public class %sLegacyReq {
+                public class %sLegacyRequest {
                     /**
                      * EAI 시스템이 요구하는 수신자 번호 파라미터명
                      */
@@ -389,7 +389,7 @@ public class ToolScaffolder {
                     private String content;
                 }
                 """.formatted(BASE_PACKAGE, BASE_PACKAGE, baseName, author, createDate, createDate, author, baseName);
-            Files.writeString(legacyDtoDir.resolve(baseName + "LegacyReq.java"), legacyReqContent);
+            Files.writeString(legacyDtoDir.resolve(baseName + "LegacyRequest.java"), legacyReqContent);
 
             String legacyResContent = """
                 package %s.legacy;
@@ -398,7 +398,7 @@ public class ToolScaffolder {
 
                 /**
                  * @package %s.legacy
-                 * @className %sLegacyRes
+                 * @className %sLegacyResponse
                  * @description AX HUB 시스템 처리 클래스
                  * @author %s
                  * @create %s
@@ -411,19 +411,19 @@ public class ToolScaffolder {
                  * </pre>
                  */
                 @Data
-                public class %sLegacyRes {
+                public class %sLegacyResponse {
                     // TODO: Add legacy response fields here
                 }
                 """.formatted(BASE_PACKAGE, BASE_PACKAGE, baseName, author, createDate, createDate, author, baseName);
-            Files.writeString(legacyDtoDir.resolve(baseName + "LegacyRes.java"), legacyResContent);
+            Files.writeString(legacyDtoDir.resolve(baseName + "LegacyResponse.java"), legacyResContent);
 
             String converterContent = """
                 package %s.converter;
 
-                import %s.dto.%sReq;
-                import %s.dto.%sRes;
-                import %s.legacy.%sLegacyReq;
-                import %s.legacy.%sLegacyRes;
+                import %s.dto.%sRequest;
+                import %s.dto.%sResponse;
+                import %s.legacy.%sLegacyRequest;
+                import %s.legacy.%sLegacyResponse;
                 import org.mapstruct.Mapper;
                 import org.mapstruct.Mapping;
                 import org.mapstruct.factory.Mappers;
@@ -447,13 +447,13 @@ public class ToolScaffolder {
 
                     @Mapping(source = "phoneNumber", target = "phone")
                     @Mapping(source = "message", target = "content")
-                    %sLegacyReq toLegacyReq(%sReq req);
+                    %sLegacyRequest toLegacyRequest(%sRequest req);
                     
                     @Mapping(source = "phone", target = "phoneNumber")
                     @Mapping(source = "content", target = "message")
-                    %sReq toReq(%sLegacyReq legacyReq);
+                    %sRequest toRequest(%sLegacyRequest legacyRequest);
 
-                    // %sRes toRes(%sLegacyRes legacyRes);
+                    // %sResponse toResponse(%sLegacyResponse legacyResponse);
                 }
                 """.formatted(
                     BASE_PACKAGE,
@@ -471,10 +471,10 @@ public class ToolScaffolder {
         log.append("=========================================\n");
         log.append("[Service Interface] ").append(serviceDir.resolve(baseName + "Service.java")).append("\n");
         log.append("[Service Impl] ").append(serviceImplDir.resolve(baseName + "ServiceImpl.java")).append("\n");
-        log.append("[Req DTO] ").append(dtoDir.resolve(baseName + "Req.java")).append("\n");
-        log.append("[Res DTO] ").append(dtoDir.resolve(baseName + "Res.java")).append("\n");
-        log.append("[Legacy Req DTO] ").append(legacyDtoDir.resolve(baseName + "LegacyReq.java")).append("\n");
-        log.append("[Legacy Res DTO] ").append(legacyDtoDir.resolve(baseName + "LegacyRes.java")).append("\n");
+        log.append("[Request DTO] ").append(dtoDir.resolve(baseName + "Request.java")).append("\n");
+        log.append("[Response DTO] ").append(dtoDir.resolve(baseName + "Response.java")).append("\n");
+        log.append("[Legacy Request DTO] ").append(legacyDtoDir.resolve(baseName + "LegacyRequest.java")).append("\n");
+        log.append("[Legacy Response DTO] ").append(legacyDtoDir.resolve(baseName + "LegacyResponse.java")).append("\n");
         log.append("[Legacy Converter] ").append(converterDir.resolve(baseName + "LegacyConverter.java")).append("\n");
         log.append("\n Tip: ").append(interfaceId).append(" 목업 데이터를 mock-responses.json에 추가하세요.\n");
         
diff --git a/dap-tool-core/src/main/java/io/shinhanlife/dap/mcc/sample/converter/SampleLegacyConverter.java b/dap-tool-core/src/main/java/io/shinhanlife/dap/mcc/sample/converter/SampleLegacyConverter.java
index e8af1440..81ddf479 100644
--- a/dap-tool-core/src/main/java/io/shinhanlife/dap/mcc/sample/converter/SampleLegacyConverter.java
+++ b/dap-tool-core/src/main/java/io/shinhanlife/dap/mcc/sample/converter/SampleLegacyConverter.java
@@ -34,5 +34,5 @@ public interface SampleLegacyConverter {
     @Mapping(source = "userId", target = "customerId")
     @Mapping(source = "actionType", target = "interfaceId")
     @Mapping(source = "extraInfo", target = "requestDetails")
-    SampleLegacyReqDto toLegacyReq(SampleAiReqDto aiReq);
+    SampleLegacyReqDto toLegacyRequest(SampleAiReqDto aiRequest);
 }
diff --git a/dap-tool-core/src/test/java/io/shinhanlife/dap/mcc/sample/converter/SampleLegacyConverterTest.java b/dap-tool-core/src/test/java/io/shinhanlife/dap/mcc/sample/converter/SampleLegacyConverterTest.java
index bc66e5ec..79d589a4 100644
--- a/dap-tool-core/src/test/java/io/shinhanlife/dap/mcc/sample/converter/SampleLegacyConverterTest.java
+++ b/dap-tool-core/src/test/java/io/shinhanlife/dap/mcc/sample/converter/SampleLegacyConverterTest.java
@@ -39,7 +39,7 @@ public class SampleLegacyConverterTest {
                 .build();
 
         // when: MapStruct 자동 생성 매퍼를 통해 1줄로 변환
-        SampleLegacyReqDto mciDto = sampleLegacyConverter.toLegacyReq(aiDto);
+        SampleLegacyReqDto mciDto = sampleLegacyConverter.toLegacyRequest(aiDto);
 
         // then: 콘솔에 결과 출력 및 값 검증
         System.out.println("======  MapStruct 변환 테스트 결과  ======");
diff --git a/dap-tool-email/src/main/java/io/shinhanlife/dap/mcc/dto/EmailSendReq.java b/dap-tool-email/src/main/java/io/shinhanlife/dap/mcc/dto/EmailSendRequest.java
similarity index 93%
rename from dap-tool-email/src/main/java/io/shinhanlife/dap/mcc/dto/EmailSendReq.java
rename to dap-tool-email/src/main/java/io/shinhanlife/dap/mcc/dto/EmailSendRequest.java
index 8f483b6f..753ca621 100644
--- a/dap-tool-email/src/main/java/io/shinhanlife/dap/mcc/dto/EmailSendReq.java
+++ b/dap-tool-email/src/main/java/io/shinhanlife/dap/mcc/dto/EmailSendRequest.java
@@ -10,7 +10,7 @@ import lombok.Setter;
 
 /**
  * @package io.shinhanlife.dap.mcc.dto
- * @className EmailSendReq
+ * @className EmailSendRequest
  * @description AX HUB 시스템 처리 클래스
  * @author 0986406
  * @create 2026.09.01
@@ -27,7 +27,7 @@ import lombok.Setter;
 @Builder
 @NoArgsConstructor
 @AllArgsConstructor
-public class EmailSendReq {
+public class EmailSendRequest {
 
     @McpParameter(description = "수신자 이메일 주소", required = true)
     private String emailAddress;
diff --git a/dap-tool-email/src/main/java/io/shinhanlife/dap/mcc/service/EmailToolService.java b/dap-tool-email/src/main/java/io/shinhanlife/dap/mcc/service/EmailToolService.java
index 49d9cb1b..5a21e92a 100644
--- a/dap-tool-email/src/main/java/io/shinhanlife/dap/mcc/service/EmailToolService.java
+++ b/dap-tool-email/src/main/java/io/shinhanlife/dap/mcc/service/EmailToolService.java
@@ -3,5 +3,5 @@ package io.shinhanlife.dap.mcc.service;
 import io.shinhanlife.dap.mcc.dto.*;
 
 public interface EmailToolService {
-    Object sendEmail(EmailSendReq req);
+    Object sendEmail(EmailSendRequest req);
 }
diff --git a/dap-tool-email/src/main/java/io/shinhanlife/dap/mcc/service/impl/EmailToolServiceImpl.java b/dap-tool-email/src/main/java/io/shinhanlife/dap/mcc/service/impl/EmailToolServiceImpl.java
index 135ad223..c3755743 100644
--- a/dap-tool-email/src/main/java/io/shinhanlife/dap/mcc/service/impl/EmailToolServiceImpl.java
+++ b/dap-tool-email/src/main/java/io/shinhanlife/dap/mcc/service/impl/EmailToolServiceImpl.java
@@ -4,7 +4,7 @@ import io.shinhanlife.dap.mcc.annotation.McpFunction;
 import io.shinhanlife.dap.mcc.annotation.McpTool;
 import io.shinhanlife.dap.mcc.service.EmailToolService;
 import io.shinhanlife.dap.mcc.service.AbstractMcpToolService;
-import io.shinhanlife.dap.mcc.dto.EmailSendReq;
+import io.shinhanlife.dap.mcc.dto.EmailSendRequest;
 import lombok.extern.slf4j.Slf4j;
 
 import java.util.HashMap;
@@ -30,7 +30,7 @@ public class EmailToolServiceImpl extends AbstractMcpToolService implements Emai
 
     @McpFunction(register = false, displayName = "send_email 툴", name = "send_email", description = "이메일 발송", prompt = "고객에게 이메일을 발송해줘.", mappingId = "EMAIL_SEND_001")
     @Override
-    public Object sendEmail(EmailSendReq req) {
+    public Object sendEmail(EmailSendRequest req) {
         log.info("[Email] 이메일 발송 요청 수신. 수신자: {}", req.getEmailAddress());
 
         // EAI 연동을 위한 파라미터 변환
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BalanceReq.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BalanceRequest.java
similarity index 90%
rename from dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BalanceReq.java
rename to dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BalanceRequest.java
index c03e2f65..4c4378c0 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BalanceReq.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BalanceRequest.java
@@ -3,7 +3,7 @@ package io.shinhanlife.dap.mcc.dto;
 
 /**
  * @package io.shinhanlife.dap.mcc.dto
- * @className BalanceReq
+ * @className BalanceRequest
  * @description AX HUB 시스템 처리 클래스
  * @author 0986406
  * @create 2026.09.01
@@ -19,7 +19,7 @@ import io.shinhanlife.dap.mcc.annotation.McpParameter;
 import lombok.Data;
 
 @Data
-public class BalanceReq {
+public class BalanceRequest {
     @McpParameter(description = "고객의 계좌번호 (- 제외)", required = true)
     private String accountNumber;
 }
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BalanceRes.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BalanceResponse.java
similarity index 89%
rename from dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BalanceRes.java
rename to dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BalanceResponse.java
index 0b7ce2bb..c0cc3697 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BalanceRes.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BalanceResponse.java
@@ -3,7 +3,7 @@ package io.shinhanlife.dap.mcc.dto;
 
 /**
  * @package io.shinhanlife.dap.mcc.dto
- * @className BalanceRes
+ * @className BalanceResponse
  * @description AX HUB 시스템 처리 클래스
  * @author 0986406
  * @create 2026.09.01
@@ -18,7 +18,7 @@ package io.shinhanlife.dap.mcc.dto;
 import lombok.Data;
 
 @Data
-public class BalanceRes {
+public class BalanceResponse {
     private String status;
     private String message;
     private String accountNumber;
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BillingProcessReq.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BillingProcessRequest.java
similarity index 92%
rename from dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BillingProcessReq.java
rename to dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BillingProcessRequest.java
index 0cd04af2..81b96ab0 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BillingProcessReq.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BillingProcessRequest.java
@@ -10,7 +10,7 @@ import lombok.Setter;
 
 /**
  * @package io.shinhanlife.dap.mcc.dto
- * @className BillingProcessReq
+ * @className BillingProcessRequest
  * @description AX HUB 시스템 처리 클래스
  * @author 0986406
  * @create 2026.09.01
@@ -27,7 +27,7 @@ import lombok.Setter;
 @Builder
 @NoArgsConstructor
 @AllArgsConstructor
-public class BillingProcessReq {
+public class BillingProcessRequest {
 
     @McpParameter(description = "처리할 청구 접수 번호", required = true)
     private String billingId;
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BillingStatusReq.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BillingStatusRequest.java
similarity index 91%
rename from dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BillingStatusReq.java
rename to dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BillingStatusRequest.java
index 3f2ad127..8503ecc2 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BillingStatusReq.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BillingStatusRequest.java
@@ -10,7 +10,7 @@ import lombok.Setter;
 
 /**
  * @package io.shinhanlife.dap.mcc.dto
- * @className BillingStatusReq
+ * @className BillingStatusRequest
  * @description AX HUB 시스템 처리 클래스
  * @author 0986406
  * @create 2026.09.01
@@ -27,7 +27,7 @@ import lombok.Setter;
 @Builder
 @NoArgsConstructor
 @AllArgsConstructor
-public class BillingStatusReq {
+public class BillingStatusRequest {
 
     @McpParameter(description = "조회할 청구 접수 번호", required = true)
     private String billingId;
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BondCheckReq.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BondCheckRequest.java
similarity index 92%
rename from dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BondCheckReq.java
rename to dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BondCheckRequest.java
index 77d5b82a..e45f1e7e 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BondCheckReq.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BondCheckRequest.java
@@ -10,7 +10,7 @@ import lombok.Setter;
 
 /**
  * @package io.shinhanlife.dap.mcc.dto
- * @className BondCheckReq
+ * @className BondCheckRequest
  * @description AX HUB 시스템 처리 클래스
  * @author 0986406
  * @create 2026.09.01
@@ -27,7 +27,7 @@ import lombok.Setter;
 @Builder
 @NoArgsConstructor
 @AllArgsConstructor
-public class BondCheckReq {
+public class BondCheckRequest {
 
     @McpParameter(description = "확인하고자 하는 디지털 증권 발행 금액", required = true)
     private Long amount;
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BondIssueReq.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BondIssueRequest.java
similarity index 93%
rename from dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BondIssueReq.java
rename to dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BondIssueRequest.java
index 9fecb48b..37b3e8bb 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BondIssueReq.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/BondIssueRequest.java
@@ -10,7 +10,7 @@ import lombok.Setter;
 
 /**
  * @package io.shinhanlife.dap.mcc.dto
- * @className BondIssueReq
+ * @className BondIssueRequest
  * @description AX HUB 시스템 처리 클래스
  * @author 0986406
  * @create 2026.09.01
@@ -27,7 +27,7 @@ import lombok.Setter;
 @Builder
 @NoArgsConstructor
 @AllArgsConstructor
-public class BondIssueReq {
+public class BondIssueRequest {
 
     @McpParameter(description = "발행할 디지털 증권 금액", required = true)
     private Long amount;
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/ContractDetailReq.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/ContractDetailRequest.java
similarity index 91%
rename from dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/ContractDetailReq.java
rename to dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/ContractDetailRequest.java
index 7da8eef4..db3a932d 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/ContractDetailReq.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/ContractDetailRequest.java
@@ -10,7 +10,7 @@ import lombok.Setter;
 
 /**
  * @package io.shinhanlife.dap.mcc.dto
- * @className ContractDetailReq
+ * @className ContractDetailRequest
  * @description AX HUB 시스템 처리 클래스
  * @author 0986406
  * @create 2026.09.01
@@ -27,7 +27,7 @@ import lombok.Setter;
 @Builder
 @NoArgsConstructor
 @AllArgsConstructor
-public class ContractDetailReq {
+public class ContractDetailRequest {
 
     @McpParameter(description = "고객명", required = true)
     private String customerName;
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/ContractStatusReq.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/ContractStatusRequest.java
similarity index 91%
rename from dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/ContractStatusReq.java
rename to dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/ContractStatusRequest.java
index 395ee985..2c42d4a0 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/ContractStatusReq.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/ContractStatusRequest.java
@@ -10,7 +10,7 @@ import lombok.Setter;
 
 /**
  * @package io.shinhanlife.dap.mcc.dto
- * @className ContractStatusReq
+ * @className ContractStatusRequest
  * @description AX HUB 시스템 처리 클래스
  * @author 0986406
  * @create 2026.09.01
@@ -27,7 +27,7 @@ import lombok.Setter;
 @Builder
 @NoArgsConstructor
 @AllArgsConstructor
-public class ContractStatusReq {
+public class ContractStatusRequest {
 
     @McpParameter(description = "고객명", required = true)
     private String customerName;
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/CustomerDetailReq.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/CustomerDetailRequest.java
similarity index 91%
rename from dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/CustomerDetailReq.java
rename to dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/CustomerDetailRequest.java
index 6e006d3b..e77846c5 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/CustomerDetailReq.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/CustomerDetailRequest.java
@@ -10,7 +10,7 @@ import lombok.Setter;
 
 /**
  * @package io.shinhanlife.dap.mcc.dto
- * @className CustomerDetailReq
+ * @className CustomerDetailRequest
  * @description AX HUB 시스템 처리 클래스
  * @author 0986406
  * @create 2026.09.01
@@ -27,7 +27,7 @@ import lombok.Setter;
 @Builder
 @NoArgsConstructor
 @AllArgsConstructor
-public class CustomerDetailReq {
+public class CustomerDetailRequest {
 
     @McpParameter(description = "고객명", required = true)
     private String customerName;
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/CustomerGradeReq.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/CustomerGradeRequest.java
similarity index 92%
rename from dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/CustomerGradeReq.java
rename to dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/CustomerGradeRequest.java
index 908b1c42..b288449f 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/CustomerGradeReq.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/CustomerGradeRequest.java
@@ -10,7 +10,7 @@ import lombok.Setter;
 
 /**
  * @package io.shinhanlife.dap.mcc.dto
- * @className CustomerGradeReq
+ * @className CustomerGradeRequest
  * @description AX HUB 시스템 처리 클래스
  * @author 0986406
  * @create 2026.09.01
@@ -27,7 +27,7 @@ import lombok.Setter;
 @Builder
 @NoArgsConstructor
 @AllArgsConstructor
-public class CustomerGradeReq {
+public class CustomerGradeRequest {
 
     @McpParameter(description = "고객 이름 (예: 김신한)", required = true)
     private String customerName;
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/LeaveCountReq.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/LeaveCountRequest.java
similarity index 92%
rename from dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/LeaveCountReq.java
rename to dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/LeaveCountRequest.java
index 1cd82ec7..89be9738 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/LeaveCountReq.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/LeaveCountRequest.java
@@ -10,7 +10,7 @@ import lombok.Setter;
 
 /**
  * @package io.shinhanlife.dap.mcc.dto
- * @className LeaveCountReq
+ * @className LeaveCountRequest
  * @description AX HUB 시스템 처리 클래스
  * @author 0986406
  * @create 2026.09.01
@@ -27,7 +27,7 @@ import lombok.Setter;
 @Builder
 @NoArgsConstructor
 @AllArgsConstructor
-public class LeaveCountReq {
+public class LeaveCountRequest {
 
     @McpParameter(description = "연차 내역을 조회할 사원 번호", required = true)
     private String employeeId;
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/MciSampleStringRes.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/MciSampleStringResponse.java
similarity index 92%
rename from dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/MciSampleStringRes.java
rename to dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/MciSampleStringResponse.java
index 2e8173df..92934b52 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/MciSampleStringRes.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/MciSampleStringResponse.java
@@ -7,14 +7,14 @@ import java.util.List;
 
 /**
  * @package io.shinhanlife.dap.mcc.dto
- * @className MciSampleStringRes
+ * @className MciSampleStringResponse
  * @description AX HUB 시스템 처리 클래스
  * @author 0986406
  * @create 2026.09.01
  */
 @Data
 @JsonInclude(JsonInclude.Include.NON_NULL)
-public class MciSampleStringRes {
+public class MciSampleStringResponse {
     @GlowMciFieldInfo(order = 1, length = 10, description = "이름")
     private String name;
 
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/Onnba3011Req.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/Onnba3011Request.java
similarity index 97%
rename from dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/Onnba3011Req.java
rename to dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/Onnba3011Request.java
index 8cfe2d0b..8c86be08 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/Onnba3011Req.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/Onnba3011Request.java
@@ -12,7 +12,7 @@ import lombok.Data;
  * @create 2026.09.01
  */
 @Data
-public class Onnba3011Req {
+public class Onnba3011Request {
 
     @JsonPropertyDescription("통합기계약보험 (유형: gs, 길이: 72)")
     @JsonProperty("unfcPrbuIrcoAddu")
@@ -39,8 +39,8 @@ public class Onnba3011Req {
     private String unfcPvsCalReqYn;
 
     @JsonPropertyDescription("한국신용정보 (길이: 1)")
-    @JsonProperty("kcisPymmTnnrReq")
-    private String kcisPymmTnnrReq;
+    @JsonProperty("kcisPymmTnnrRequest")
+    private String kcisPymmTnnrRequest;
 
     @JsonPropertyDescription("한도초과여부 (길이: 1)")
     @JsonProperty("lmovYn")
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/SampleStringReq.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/SampleStringRequest.java
similarity index 88%
rename from dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/SampleStringReq.java
rename to dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/SampleStringRequest.java
index 72b374c7..91f5cef0 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/SampleStringReq.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/SampleStringRequest.java
@@ -5,7 +5,7 @@ import lombok.Data;
 
 /**
  * @package io.shinhanlife.dap.mcc.dto
- * @className SampleStringReq
+ * @className SampleStringRequest
  * @description AX HUB 시스템 처리 클래스
  * @author 0986406
  * @create 2026.09.01
@@ -19,6 +19,6 @@ import lombok.Data;
  */
 @Data
 @JsonInclude(JsonInclude.Include.NON_NULL)
-public class SampleStringReq {
+public class SampleStringRequest {
     private String query;
 }
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/SampleStringRes.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/SampleStringResponse.java
similarity index 93%
rename from dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/SampleStringRes.java
rename to dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/SampleStringResponse.java
index 16de9b9a..31b89b66 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/SampleStringRes.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/SampleStringResponse.java
@@ -6,7 +6,7 @@ import lombok.Data;
 
 /**
  * @package io.shinhanlife.dap.mcc.dto
- * @className SampleStringRes
+ * @className SampleStringResponse
  * @description AX HUB 시스템 처리 클래스
  * @author 0986406
  * @create 2026.09.01
@@ -20,7 +20,7 @@ import lombok.Data;
  */
 @Data
 @JsonInclude(JsonInclude.Include.NON_NULL)
-public class SampleStringRes {
+public class SampleStringResponse {
     @GlowTrgmField(order = 1, length = 10, description = "이름")
     private String name;
 
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/TemplateDownloadReq.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/TemplateDownloadRequest.java
similarity index 90%
rename from dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/TemplateDownloadReq.java
rename to dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/TemplateDownloadRequest.java
index cb0d564f..69d67210 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/TemplateDownloadReq.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/TemplateDownloadRequest.java
@@ -9,7 +9,7 @@ import lombok.ToString;
 
 /**
  * @package io.shinhanlife.dap.mcc.dto
- * @className TemplateDownloadReq
+ * @className TemplateDownloadRequest
  * @description AX HUB 시스템 처리 클래스
  * @author 0986406
  * @create 2026.09.01
@@ -26,7 +26,7 @@ import lombok.ToString;
 @ToString
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
 @AllArgsConstructor
-public class TemplateDownloadReq {
+public class TemplateDownloadRequest {
     
     /**
      * 다운로드할 템플릿의 종류 ID (예: CUSTOMER_EXCEL, PRODUCT_PDF 등)
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/VacationRegisterReq.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/VacationRegisterRequest.java
similarity index 91%
rename from dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/VacationRegisterReq.java
rename to dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/VacationRegisterRequest.java
index fac77aaf..8eee199b 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/VacationRegisterReq.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/VacationRegisterRequest.java
@@ -10,7 +10,7 @@ import lombok.Setter;
 
 /**
  * @package io.shinhanlife.dap.mcc.dto
- * @className VacationRegisterReq
+ * @className VacationRegisterRequest
  * @description AX HUB 시스템 처리 클래스
  * @author 0986406
  * @create 2026.09.01
@@ -27,7 +27,7 @@ import lombok.Setter;
 @Builder
 @NoArgsConstructor
 @AllArgsConstructor
-public class VacationRegisterReq {
+public class VacationRegisterRequest {
 
     @McpParameter(description = "연차를 등록할 사원 번호", required = true)
     private String employeeId;
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/WeatherReq.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/WeatherRequest.java
similarity index 91%
rename from dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/WeatherReq.java
rename to dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/WeatherRequest.java
index cd13585f..1f820c8c 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/WeatherReq.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/WeatherRequest.java
@@ -5,7 +5,7 @@ import com.fasterxml.jackson.annotation.JsonPropertyDescription;
 
 /**
  * @package io.shinhanlife.dap.mcc.dto
- * @className WeatherReq
+ * @className WeatherRequest
  * @description 기상 조회 요청 클래스
  * @author 0986406
  * @create 2026.07.14
@@ -17,7 +17,7 @@ import com.fasterxml.jackson.annotation.JsonPropertyDescription;
  * 
  * </pre>
  */
-public record WeatherReq(
+public record WeatherRequest(
     @JsonProperty(required = true, value = "city")
     @JsonPropertyDescription("날씨를 조회할 도시 이름 (예: 서울, 부산, 제주)")
     String city
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/WeatherRes.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/WeatherResponse.java
similarity index 88%
rename from dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/WeatherRes.java
rename to dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/WeatherResponse.java
index 7e211def..c6b741b9 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/WeatherRes.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/dto/WeatherResponse.java
@@ -2,7 +2,7 @@ package io.shinhanlife.dap.mcc.dto;
 
 /**
  * @package io.shinhanlife.dap.mcc.dto
- * @className WeatherRes
+ * @className WeatherResponse
  * @description 기상 조회 응답 클래스
  * @author 0986406
  * @create 2026.07.14
@@ -14,7 +14,7 @@ package io.shinhanlife.dap.mcc.dto;
  * 
  * </pre>
  */
-public record WeatherRes(
+public record WeatherResponse(
     String city,
     double temperature,
     double windSpeed,
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/infra/itrf/mci/cfp/a/io/MciCfpaClient.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/infra/itrf/mci/cfp/a/io/MciCfpaClient.java
index 1ed7c21f..9c2c79f9 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/infra/itrf/mci/cfp/a/io/MciCfpaClient.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/infra/itrf/mci/cfp/a/io/MciCfpaClient.java
@@ -1,7 +1,7 @@
 package io.shinhanlife.dap.mcc.infra.itrf.mci.cfp.a.io;
 
 import io.shinhanlife.dap.common.integration.mci.component.AxhubMciComponent;
-import io.shinhanlife.dap.mcc.dto.Onnba3011Req;
+import io.shinhanlife.dap.mcc.dto.Onnba3011Request;
 import io.shinhanlife.glow.communication.dto.Transfer;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
@@ -46,7 +46,7 @@ public class MciCfpaClient {
      * @param inDto 입력 DTO
      * @return 출력 객체
      */
-    public Object callCfpa0001(Onnba3011Req inDto) throws Exception {
+    public Object callCfpa0001(Onnba3011Request inDto) throws Exception {
         // 인터페이스 호출
         Transfer<Object> resTransfer = mci.callTo(INTERFACE_CODE, inDto, Object.class);
 
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/BalanceService.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/BalanceService.java
index 9f0760d9..41a55e3a 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/BalanceService.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/BalanceService.java
@@ -3,5 +3,5 @@ package io.shinhanlife.dap.mcc.service;
 import io.shinhanlife.dap.mcc.dto.*;
 
 public interface BalanceService {
-    Object execute(BalanceReq req);
+    Object execute(BalanceRequest req);
 }
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/BillingProcessService.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/BillingProcessService.java
index b43c313c..e881313c 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/BillingProcessService.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/BillingProcessService.java
@@ -3,5 +3,5 @@ package io.shinhanlife.dap.mcc.service;
 import io.shinhanlife.dap.mcc.dto.*;
 
 public interface BillingProcessService {
-    Object getStatus(BillingStatusReq req);
+    Object getStatus(BillingStatusRequest req);
 }
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/BondIssueService.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/BondIssueService.java
index 14740b8c..687387e2 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/BondIssueService.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/BondIssueService.java
@@ -3,5 +3,5 @@ package io.shinhanlife.dap.mcc.service;
 import io.shinhanlife.dap.mcc.dto.*;
 
 public interface BondIssueService {
-    Object check(BondCheckReq req);
+    Object check(BondCheckRequest req);
 }
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/CommonUtilityService.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/CommonUtilityService.java
index 9da0ee76..083c57ff 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/CommonUtilityService.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/CommonUtilityService.java
@@ -3,5 +3,5 @@ package io.shinhanlife.dap.mcc.service;
 import io.shinhanlife.dap.mcc.dto.*;
 
 public interface CommonUtilityService {
-    Object registerVacation(VacationRegisterReq req);
+    Object registerVacation(VacationRegisterRequest req);
 }
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/ContractInquiryService.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/ContractInquiryService.java
index b1be0e06..c9c19b6f 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/ContractInquiryService.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/ContractInquiryService.java
@@ -3,5 +3,5 @@ package io.shinhanlife.dap.mcc.service;
 import io.shinhanlife.dap.mcc.dto.*;
 
 public interface ContractInquiryService {
-    Object getStatus(ContractStatusReq req);
+    Object getStatus(ContractStatusRequest req);
 }
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/CustomerInfoService.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/CustomerInfoService.java
index 7258da11..9addd3fb 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/CustomerInfoService.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/CustomerInfoService.java
@@ -3,5 +3,5 @@ package io.shinhanlife.dap.mcc.service;
 import io.shinhanlife.dap.mcc.dto.*;
 
 public interface CustomerInfoService {
-    Object getGrade(CustomerGradeReq req);
+    Object getGrade(CustomerGradeRequest req);
 }
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/DailyQuoteToolService.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/DailyQuoteToolService.java
index 6466b9ee..174cae71 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/DailyQuoteToolService.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/DailyQuoteToolService.java
@@ -3,5 +3,5 @@ package io.shinhanlife.dap.mcc.service;
 import io.shinhanlife.dap.mcc.dto.*;
 
 public interface DailyQuoteToolService {
-    io.shinhanlife.dap.mcc.service.impl.DailyQuoteToolServiceImpl.DailyQuoteRes execute(io.shinhanlife.dap.mcc.service.impl.DailyQuoteToolServiceImpl.DailyQuoteReq req);
+    io.shinhanlife.dap.mcc.service.impl.DailyQuoteToolServiceImpl.DailyQuoteResponse execute(io.shinhanlife.dap.mcc.service.impl.DailyQuoteToolServiceImpl.DailyQuoteRequest req);
 }
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/ExchangeRateToolService.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/ExchangeRateToolService.java
index a1eaefa6..a0339970 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/ExchangeRateToolService.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/ExchangeRateToolService.java
@@ -3,5 +3,5 @@ package io.shinhanlife.dap.mcc.service;
 import io.shinhanlife.dap.mcc.dto.*;
 
 public interface ExchangeRateToolService {
-    io.shinhanlife.dap.mcc.service.impl.ExchangeRateToolServiceImpl.ExchangeRateRes execute(io.shinhanlife.dap.mcc.service.impl.ExchangeRateToolServiceImpl.ExchangeRateReq req);
+    io.shinhanlife.dap.mcc.service.impl.ExchangeRateToolServiceImpl.ExchangeRateResponse execute(io.shinhanlife.dap.mcc.service.impl.ExchangeRateToolServiceImpl.ExchangeRateRequest req);
 }
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/OnnbaMciToolService.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/OnnbaMciToolService.java
index 2bf7a8f2..2ba479d7 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/OnnbaMciToolService.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/OnnbaMciToolService.java
@@ -3,5 +3,5 @@ package io.shinhanlife.dap.mcc.service;
 import io.shinhanlife.dap.mcc.dto.*;
 
 public interface OnnbaMciToolService {
-    Object callOnnba3011(Onnba3011Req req);
+    Object callOnnba3011(Onnba3011Request req);
 }
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/SampleStringToolService.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/SampleStringToolService.java
index ff444a84..c5e5a6f6 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/SampleStringToolService.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/SampleStringToolService.java
@@ -3,5 +3,5 @@ package io.shinhanlife.dap.mcc.service;
 import io.shinhanlife.dap.mcc.dto.*;
 
 public interface SampleStringToolService {
-    Object execute(SampleStringReq req);
+    Object execute(SampleStringRequest req);
 }
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/TemplateUtilityService.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/TemplateUtilityService.java
index 836e50a6..9598c05f 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/TemplateUtilityService.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/TemplateUtilityService.java
@@ -3,5 +3,5 @@ package io.shinhanlife.dap.mcc.service;
 import io.shinhanlife.dap.mcc.dto.*;
 
 public interface TemplateUtilityService {
-    java.util.Map<String, Object> getTemplateFileUrl(TemplateDownloadReq req);
+    java.util.Map<String, Object> getTemplateFileUrl(TemplateDownloadRequest req);
 }
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/WeatherToolService.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/WeatherToolService.java
index 30ea06ec..fc074fa8 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/WeatherToolService.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/WeatherToolService.java
@@ -3,5 +3,5 @@ package io.shinhanlife.dap.mcc.service;
 import io.shinhanlife.dap.mcc.dto.*;
 
 public interface WeatherToolService {
-    WeatherRes execute(WeatherReq req);
+    WeatherResponse execute(WeatherRequest req);
 }
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/BalanceServiceImpl.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/BalanceServiceImpl.java
index 9969dd63..e6f5f176 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/BalanceServiceImpl.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/BalanceServiceImpl.java
@@ -19,7 +19,7 @@ import io.shinhanlife.dap.mcc.annotation.McpFunction;
 import io.shinhanlife.dap.mcc.annotation.McpTool;
 import io.shinhanlife.dap.mcc.service.BalanceService;
 import io.shinhanlife.dap.mcc.service.AbstractMcpToolService;
-import io.shinhanlife.dap.mcc.dto.BalanceReq;
+import io.shinhanlife.dap.mcc.dto.BalanceRequest;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 
@@ -36,7 +36,7 @@ public class BalanceServiceImpl extends AbstractMcpToolService implements Balanc
         mappingId = "ACC_001"
     )
     @Override
-    public Object execute(BalanceReq req) {
+    public Object execute(BalanceRequest req) {
         log.info("[Balance] 계좌 잔액 조회 요청 수신. 계좌번호: {}", req.getAccountNumber());
         
         // 레거시 연동
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/BillingProcessServiceImpl.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/BillingProcessServiceImpl.java
index aa65233c..52d8658d 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/BillingProcessServiceImpl.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/BillingProcessServiceImpl.java
@@ -6,8 +6,8 @@ import io.shinhanlife.dap.mcc.annotation.McpFunction;
 import io.shinhanlife.dap.mcc.annotation.McpTool;
 import io.shinhanlife.dap.mcc.service.BillingProcessService;
 import io.shinhanlife.dap.mcc.service.AbstractMcpToolService;
-import io.shinhanlife.dap.mcc.dto.BillingProcessReq;
-import io.shinhanlife.dap.mcc.dto.BillingStatusReq;
+import io.shinhanlife.dap.mcc.dto.BillingProcessRequest;
+import io.shinhanlife.dap.mcc.dto.BillingStatusRequest;
 
 import java.util.HashMap;
 import java.util.Map;
@@ -35,12 +35,12 @@ public class BillingProcessServiceImpl extends AbstractMcpToolService implements
 
     @McpFunction(register = false, displayName = "status 툴", name = "status", description = "청구심사 상태 조회", prompt = "현재 접수된 청구건 상태를 알려줘.", mappingId = "BILL_001")
     @Override
-    public Object getStatus(BillingStatusReq data) {
+    public Object getStatus(BillingStatusRequest data) {
         return executeBillingLogic("BILL_001", data);
     }
 
     @McpFunction(register = false, displayName = "process 툴", name = "process", description = "청구 처리", prompt = "현재 접수된 청구건에 대한 심사 처리를 진행해.", mappingId = "BILL_002")
-    public Object processBilling(BillingProcessReq data) {
+    public Object processBilling(BillingProcessRequest data) {
         return executeBillingLogic("BILL_002", data);
     }
 
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/BondIssueServiceImpl.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/BondIssueServiceImpl.java
index 54e43c14..5d2ad50c 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/BondIssueServiceImpl.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/BondIssueServiceImpl.java
@@ -4,8 +4,8 @@ import io.shinhanlife.dap.mcc.annotation.McpFunction;
 import io.shinhanlife.dap.mcc.annotation.McpTool;
 import io.shinhanlife.dap.mcc.service.BondIssueService;
 import io.shinhanlife.dap.mcc.service.AbstractMcpToolService;
-import io.shinhanlife.dap.mcc.dto.BondCheckReq;
-import io.shinhanlife.dap.mcc.dto.BondIssueReq;
+import io.shinhanlife.dap.mcc.dto.BondCheckRequest;
+import io.shinhanlife.dap.mcc.dto.BondIssueRequest;
 
 @McpTool(
     routingType = "EAI",
@@ -29,12 +29,12 @@ public class BondIssueServiceImpl extends AbstractMcpToolService implements Bond
 
     @McpFunction(displayName = "check 툴", name = "check", register = false, description = "발행 가능 여부 조회 테스트", prompt = "디지털 증권 발행 한도가 충분한지 확인해줘.", mappingId = "BOND_001")
     @Override
-    public Object check(BondCheckReq data) {
+    public Object check(BondCheckRequest data) {
         return executeLegacy("EAI", "BOND_001", data);
     }
 
     @McpFunction(displayName = "issue 툴", name = "issue", register = false, description = "증권 발행 테스트1", prompt = "디지털 증권 발행 프로세스를 실행해.", mappingId = "BOND_002")
-    public Object issue(BondIssueReq data) {
+    public Object issue(BondIssueRequest data) {
         return executeLegacy("EAI", "BOND_002", data);
     }
 }
\ No newline at end of file
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/CommonUtilityServiceImpl.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/CommonUtilityServiceImpl.java
index 83fd4b3a..0041d155 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/CommonUtilityServiceImpl.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/CommonUtilityServiceImpl.java
@@ -4,8 +4,8 @@ import io.shinhanlife.dap.mcc.annotation.McpFunction;
 import io.shinhanlife.dap.mcc.annotation.McpTool;
 import io.shinhanlife.dap.mcc.service.CommonUtilityService;
 import io.shinhanlife.dap.mcc.service.AbstractMcpToolService;
-import io.shinhanlife.dap.mcc.dto.LeaveCountReq;
-import io.shinhanlife.dap.mcc.dto.VacationRegisterReq;
+import io.shinhanlife.dap.mcc.dto.LeaveCountRequest;
+import io.shinhanlife.dap.mcc.dto.VacationRegisterRequest;
 
 @McpTool(
     routingType = "HTTP",
@@ -29,17 +29,17 @@ public class CommonUtilityServiceImpl extends AbstractMcpToolService implements
 
     @McpFunction(register = false, displayName = "register_vacation 툴", name = "register_vacation", description = "휴가 등록", prompt = "내일 하루 연차 휴가를 등록해줘.", mappingId = "HR_VAC_01")
     @Override
-    public Object registerVacation(VacationRegisterReq data) {
+    public Object registerVacation(VacationRegisterRequest data) {
         return executeLegacy("HTTP", "HR_VAC_01", data);
     }
 
     @McpFunction(register = false, displayName = "get_leave_count 툴", name = "get_leave_count", description = "연차 갯수 조회", prompt = "현재 사용 가능한 남은 연차 일수를 알려줘.", mappingId = "HR_VAC_02")
-    public Object getLeaveCount(LeaveCountReq data) {
+    public Object getLeaveCount(LeaveCountRequest data) {
         return executeLegacy("HTTP", "HR_VAC_02", data);
     }
 
     @McpFunction(register = false, displayName = "secret_tool 툴", name = "secret_tool", description = "비공개 툴 테스트", prompt = "숨겨진 툴 강제 호출", mappingId = "SECRET_001", visible = false)
-    public Object secretTool(LeaveCountReq data) {
+    public Object secretTool(LeaveCountRequest data) {
         return executeLegacy("HTTP", "SECRET_001", data);
     }
 
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/ContractInquiryServiceImpl.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/ContractInquiryServiceImpl.java
index a2b4e801..cd8dccad 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/ContractInquiryServiceImpl.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/ContractInquiryServiceImpl.java
@@ -4,8 +4,8 @@ import io.shinhanlife.dap.mcc.annotation.McpFunction;
 import io.shinhanlife.dap.mcc.annotation.McpTool;
 import io.shinhanlife.dap.mcc.service.ContractInquiryService;
 import io.shinhanlife.dap.mcc.service.AbstractMcpToolService;
-import io.shinhanlife.dap.mcc.dto.ContractDetailReq;
-import io.shinhanlife.dap.mcc.dto.ContractStatusReq;
+import io.shinhanlife.dap.mcc.dto.ContractDetailRequest;
+import io.shinhanlife.dap.mcc.dto.ContractStatusRequest;
 
 @McpTool(
     routingType = "HTTP",
@@ -29,12 +29,12 @@ public class ContractInquiryServiceImpl extends AbstractMcpToolService implement
 
     @McpFunction(register = false, displayName = "contract_status 툴", name = "contract_status", description = "계약상태 조회", prompt = "김신한 고객의 현재 계약 상태를 조회해줘.", mappingId = "CNTR_001")
     @Override
-    public Object getStatus(ContractStatusReq data) {
+    public Object getStatus(ContractStatusRequest data) {
         return executeLegacy("HTTP", "CNTR_001", data);
     }
 
     @McpFunction(register = false, displayName = "contract_detail 툴", name = "contract_detail", description = "계약상세 조회", prompt = "김신한 고객의 계약 상세 내역을 알려줘.", mappingId = "CNTR_002")
-    public Object getDetail(ContractDetailReq data) {
+    public Object getDetail(ContractDetailRequest data) {
         return executeLegacy("HTTP", "CNTR_002", data);
     }
 }
\ No newline at end of file
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/CustomerInfoServiceImpl.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/CustomerInfoServiceImpl.java
index d5355a6f..1927d383 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/CustomerInfoServiceImpl.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/CustomerInfoServiceImpl.java
@@ -4,8 +4,8 @@ import io.shinhanlife.dap.mcc.annotation.McpFunction;
 import io.shinhanlife.dap.mcc.annotation.McpTool;
 import io.shinhanlife.dap.mcc.service.CustomerInfoService;
 import io.shinhanlife.dap.mcc.service.AbstractMcpToolService;
-import io.shinhanlife.dap.mcc.dto.CustomerDetailReq;
-import io.shinhanlife.dap.mcc.dto.CustomerGradeReq;
+import io.shinhanlife.dap.mcc.dto.CustomerDetailRequest;
+import io.shinhanlife.dap.mcc.dto.CustomerGradeRequest;
 
 @McpTool(
     routingType = "TCP",
@@ -29,12 +29,12 @@ public class CustomerInfoServiceImpl extends AbstractMcpToolService implements C
 
     @McpFunction(register = false, displayName = "grade 툴", name = "grade", description = "고객등급 조회", prompt = "이 고객의 VIP 등급을 조회해줘.", mappingId = "CRM_001")
     @Override
-    public Object getGrade(CustomerGradeReq req) {
+    public Object getGrade(CustomerGradeRequest req) {
         return executeLegacy("TCP", "CRM_001", req);
     }
 
     @McpFunction(register = false, displayName = "detail 툴", name = "detail", description = "고객상세 정보 조회", prompt = "이 고객의 상세 기본정보(주소, 연락처 등)를 알려줘.", mappingId = "CRM_002")
-    public Object getDetail(CustomerDetailReq data) {
+    public Object getDetail(CustomerDetailRequest data) {
         return executeLegacy("TCP", "CRM_002", data);
     }
 }
\ No newline at end of file
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/DailyQuoteToolServiceImpl.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/DailyQuoteToolServiceImpl.java
index 2f6a22d8..ee62d10a 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/DailyQuoteToolServiceImpl.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/DailyQuoteToolServiceImpl.java
@@ -32,14 +32,14 @@ import java.util.Random;
 )
 public class DailyQuoteToolServiceImpl extends AbstractMcpToolService implements DailyQuoteToolService {
 
-    public record DailyQuoteReq(String category) {}
-    public record DailyQuoteRes(String quote, String author) {}
+    public record DailyQuoteRequest(String category) {}
+    public record DailyQuoteResponse(String quote, String author) {}
 
-    private final List<DailyQuoteRes> quotes = List.of(
-        new DailyQuoteRes("성공은 매일 반복한 작은 노력들의 합이다.", "로버트 콜리어"),
-        new DailyQuoteRes("시작이 반이다.", "아리스토텔레스"),
-        new DailyQuoteRes("포기하지 않는 한 실패는 없다.", "알베르트 아인슈타인"),
-        new DailyQuoteRes("가장 큰 위험은 위험 없는 삶이다.", "스티븐 코비")
+    private final List<DailyQuoteResponse> quotes = List.of(
+        new DailyQuoteResponse("성공은 매일 반복한 작은 노력들의 합이다.", "로버트 콜리어"),
+        new DailyQuoteResponse("시작이 반이다.", "아리스토텔레스"),
+        new DailyQuoteResponse("포기하지 않는 한 실패는 없다.", "알베르트 아인슈타인"),
+        new DailyQuoteResponse("가장 큰 위험은 위험 없는 삶이다.", "스티븐 코비")
     );
 
     @McpFunction(register = false, displayName = "랜덤 명언 툴", name = "daily_quote",
@@ -47,9 +47,9 @@ public class DailyQuoteToolServiceImpl extends AbstractMcpToolService implements
         prompt = "오늘의 명언 하나 알려줘, 동기부여 명언 등",
         mappingId = "QUOTE_001"
     )
-    public DailyQuoteRes execute(DailyQuoteReq req) {
+    public DailyQuoteResponse execute(DailyQuoteRequest req) {
         int index = new Random().nextInt(quotes.size());
-        DailyQuoteRes selected = quotes.get(index);
+        DailyQuoteResponse selected = quotes.get(index);
         
         log.info("[DailyQuoteTool] 명언 제공 완료: {}", selected.author());
         return selected;
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/ExchangeRateToolServiceImpl.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/ExchangeRateToolServiceImpl.java
index 65a19afc..def8b27c 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/ExchangeRateToolServiceImpl.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/ExchangeRateToolServiceImpl.java
@@ -30,8 +30,8 @@ import org.springframework.web.client.RestClient;
 )
 public class ExchangeRateToolServiceImpl extends AbstractMcpToolService implements ExchangeRateToolService {
 
-    public record ExchangeRateReq(String currencyCode) {}
-    public record ExchangeRateRes(String baseCurrency, String targetCurrency, double rate) {}
+    public record ExchangeRateRequest(String currencyCode) {}
+    public record ExchangeRateResponse(String baseCurrency, String targetCurrency, double rate) {}
 
     private final RestClient restClient;
 
@@ -44,7 +44,7 @@ public class ExchangeRateToolServiceImpl extends AbstractMcpToolService implemen
         prompt = "현재 달러 환율 알려줘, 엔화 환율은?",
         mappingId = "EXCHANGE_001"
     )
-    public ExchangeRateRes execute(ExchangeRateReq req) {
+    public ExchangeRateResponse execute(ExchangeRateRequest req) {
         String targetCurrency = req.currencyCode() != null ? req.currencyCode().toUpperCase().trim() : "USD";
         
         // 간단한 모의 데이터로 반환 (실제 구현 시 외부 연동)
@@ -56,6 +56,6 @@ public class ExchangeRateToolServiceImpl extends AbstractMcpToolService implemen
         }
 
         log.info("[ExchangeRateTool] 환율 조회 완료: {} -> {}", targetCurrency, dummyRate);
-        return new ExchangeRateRes("KRW", targetCurrency, dummyRate);
+        return new ExchangeRateResponse("KRW", targetCurrency, dummyRate);
     }
 }
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/OnnbaMciToolServiceImpl.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/OnnbaMciToolServiceImpl.java
index 7947b812..8aede4e0 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/OnnbaMciToolServiceImpl.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/OnnbaMciToolServiceImpl.java
@@ -5,7 +5,7 @@ import io.shinhanlife.dap.mcc.annotation.McpFunction;
 import io.shinhanlife.dap.mcc.annotation.McpTool;
 import io.shinhanlife.dap.mcc.service.OnnbaMciToolService;
 import io.shinhanlife.dap.mcc.service.AbstractMcpToolService;
-import io.shinhanlife.dap.mcc.dto.Onnba3011Req;
+import io.shinhanlife.dap.mcc.dto.Onnba3011Request;
 import io.shinhanlife.glow.communication.dto.Transfer;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
@@ -49,7 +49,7 @@ public class OnnbaMciToolServiceImpl implements OnnbaMciToolService {
             mappingId = INTERFACE_CODE_3011
     )
     @Override
-    public Object callOnnba3011(Onnba3011Req req) {
+    public Object callOnnba3011(Onnba3011Request req) {
         log.info("[MCI Tool] 보종By가입설계한도계산조회 요청 수신.");
 
         try {
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/SampleStringToolServiceImpl.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/SampleStringToolServiceImpl.java
index 7912ab0a..3bcf5e50 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/SampleStringToolServiceImpl.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/SampleStringToolServiceImpl.java
@@ -4,8 +4,8 @@ import io.shinhanlife.dap.mcc.annotation.McpFunction;
 import io.shinhanlife.dap.mcc.annotation.McpTool;
 import io.shinhanlife.dap.mcc.service.SampleStringToolService;
 import io.shinhanlife.dap.mcc.service.AbstractMcpToolService;
-import io.shinhanlife.dap.mcc.dto.MciSampleStringRes;
-import io.shinhanlife.dap.mcc.dto.SampleStringReq;
+import io.shinhanlife.dap.mcc.dto.MciSampleStringResponse;
+import io.shinhanlife.dap.mcc.dto.SampleStringRequest;
 import io.shinhanlife.glow.util.GlowMciParser;
 import org.springframework.stereotype.Service;
 
@@ -39,7 +39,7 @@ public class SampleStringToolServiceImpl extends AbstractMcpToolService implemen
         mappingId = "TRGM_001"
     )
     @Override
-    public Object execute(SampleStringReq req) {
+    public Object execute(SampleStringRequest req) {
         // 1. EIMS(Legacy)를 통해 원본 고정 길이 문자열을 받아옵니다.
         // 스펙에 mciFormat = STRING 힌트를 주어 전문 통신으로 자동 분기되게 합니다.
         List<Map<String, Object>> spec = List.of(
@@ -54,6 +54,6 @@ public class SampleStringToolServiceImpl extends AbstractMcpToolService implemen
         String rawStringResponse = (String) result.get("legacy_response");
         
         // 2. 받아온 고정 길이 전문(String)을 GlowMciParser를 이용해 DTO로 파싱합니다.
-        return GlowMciParser.parse(rawStringResponse, MciSampleStringRes.class);
+        return GlowMciParser.parse(rawStringResponse, MciSampleStringResponse.class);
     }
 }
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/TemplateUtilityServiceImpl.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/TemplateUtilityServiceImpl.java
index a80dca9b..aaf291c8 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/TemplateUtilityServiceImpl.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/TemplateUtilityServiceImpl.java
@@ -4,7 +4,7 @@ import io.shinhanlife.dap.mcc.annotation.McpFunction;
 import io.shinhanlife.dap.mcc.annotation.McpTool;
 import io.shinhanlife.dap.mcc.service.TemplateUtilityService;
 import io.shinhanlife.dap.mcc.service.AbstractMcpToolService;
-import io.shinhanlife.dap.mcc.dto.TemplateDownloadReq;
+import io.shinhanlife.dap.mcc.dto.TemplateDownloadRequest;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 
@@ -39,7 +39,7 @@ public class TemplateUtilityServiceImpl extends AbstractMcpToolService implement
         description = "특정 템플릿의 양식 파일(엑셀, 워드 등)을 다운로드 받을 수 있는 시스템 URL을 반환합니다. AI는 이 URL을 사용자에게 마크다운 링크 형태로 제공해야 합니다.",
         prompt = "요청하신 템플릿 양식 파일 다운로드 URL은 다음과 같습니다. 클릭하여 다운로드하세요:"
     )
-    public Map<String, Object> getTemplateFileUrl(TemplateDownloadReq data) {
+    public Map<String, Object> getTemplateFileUrl(TemplateDownloadRequest data) {
         try {
             String templateId = (data != null && data.getTemplateId() != null) ? data.getTemplateId().toLowerCase() : "default";
             log.info("MCP 툴 호출됨: get_template_file_url, 요청 템플릿 ID: {}", templateId);
diff --git a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/WeatherToolServiceImpl.java b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/WeatherToolServiceImpl.java
index 2a3c3e2b..41463559 100644
--- a/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/WeatherToolServiceImpl.java
+++ b/dap-tool-other/src/main/java/io/shinhanlife/dap/mcc/service/impl/WeatherToolServiceImpl.java
@@ -6,8 +6,8 @@ import io.shinhanlife.dap.mcc.annotation.McpFunction;
 import io.shinhanlife.dap.mcc.annotation.McpTool;
 import io.shinhanlife.dap.mcc.service.WeatherToolService;
 import io.shinhanlife.dap.mcc.service.AbstractMcpToolService;
-import io.shinhanlife.dap.mcc.dto.WeatherReq;
-import io.shinhanlife.dap.mcc.dto.WeatherRes;
+import io.shinhanlife.dap.mcc.dto.WeatherRequest;
+import io.shinhanlife.dap.mcc.dto.WeatherResponse;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 import org.springframework.web.client.RestClient;
@@ -48,7 +48,7 @@ public class WeatherToolServiceImpl extends AbstractMcpToolService implements We
         prompt = "서울 날씨 알려줘, 부산 기온 알려줘 등 실시간 기상 조회",
         mappingId = "WEATHER_001"
     )
-    public WeatherRes execute(WeatherReq req) {
+    public WeatherResponse execute(WeatherRequest req) {
         String city = req.city() != null ? req.city().trim() : "서울";
         
         // 지역별 위경도 매핑 (간단한 예시)
@@ -95,14 +95,14 @@ public class WeatherToolServiceImpl extends AbstractMcpToolService implements We
 
                 String formattedTime = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm"));
 
-                return new WeatherRes(city, temp, windSpeed, formattedTime, summary);
+                return new WeatherResponse(city, temp, windSpeed, formattedTime, summary);
             }
         } catch (Exception e) {
             log.error("[WeatherTool] 날씨 API 연동 실패: {}", e.getMessage());
-            return new WeatherRes(city, 0.0, 0.0, "", "날씨 정보를 불러오는데 실패했습니다.");
+            return new WeatherResponse(city, 0.0, 0.0, "", "날씨 정보를 불러오는데 실패했습니다.");
         }
         
-        return new WeatherRes(city, 0.0, 0.0, "", "알 수 없는 응답입니다.");
+        return new WeatherResponse(city, 0.0, 0.0, "", "알 수 없는 응답입니다.");
     }
 
     private String parseWeatherCode(int code) {
diff --git a/dap-tool-payment/src/main/java/io/shinhanlife/dap/mcc/dto/PaymentApprovalReq.java b/dap-tool-payment/src/main/java/io/shinhanlife/dap/mcc/dto/PaymentApprovalRequest.java
similarity index 88%
rename from dap-tool-payment/src/main/java/io/shinhanlife/dap/mcc/dto/PaymentApprovalReq.java
rename to dap-tool-payment/src/main/java/io/shinhanlife/dap/mcc/dto/PaymentApprovalRequest.java
index ee6af532..616e0f4a 100644
--- a/dap-tool-payment/src/main/java/io/shinhanlife/dap/mcc/dto/PaymentApprovalReq.java
+++ b/dap-tool-payment/src/main/java/io/shinhanlife/dap/mcc/dto/PaymentApprovalRequest.java
@@ -5,7 +5,7 @@ import lombok.Data;
 
 /**
  * @package io.shinhanlife.dap.mcc.dto
- * @className PaymentApprovalReq
+ * @className PaymentApprovalRequest
  * @description AX HUB 시스템 처리 클래스
  * @author 0986406
  * @create 2026.09.01
@@ -19,7 +19,7 @@ import lombok.Data;
  */
 @Data
 @JsonInclude(JsonInclude.Include.NON_NULL)
-public class PaymentApprovalReq {
+public class PaymentApprovalRequest {
     private String accountNumber;
     private long amount;
     private String paymentMethod;
diff --git a/dap-tool-payment/src/main/java/io/shinhanlife/dap/mcc/dto/PaymentApprovalRes.java b/dap-tool-payment/src/main/java/io/shinhanlife/dap/mcc/dto/PaymentApprovalResponse.java
similarity index 88%
rename from dap-tool-payment/src/main/java/io/shinhanlife/dap/mcc/dto/PaymentApprovalRes.java
rename to dap-tool-payment/src/main/java/io/shinhanlife/dap/mcc/dto/PaymentApprovalResponse.java
index d2442616..f0c1f71a 100644
--- a/dap-tool-payment/src/main/java/io/shinhanlife/dap/mcc/dto/PaymentApprovalRes.java
+++ b/dap-tool-payment/src/main/java/io/shinhanlife/dap/mcc/dto/PaymentApprovalResponse.java
@@ -5,7 +5,7 @@ import lombok.Data;
 
 /**
  * @package io.shinhanlife.dap.mcc.dto
- * @className PaymentApprovalRes
+ * @className PaymentApprovalResponse
  * @description AX HUB 시스템 처리 클래스
  * @author 0986406
  * @create 2026.09.01
@@ -19,7 +19,7 @@ import lombok.Data;
  */
 @Data
 @JsonInclude(JsonInclude.Include.NON_NULL)
-public class PaymentApprovalRes {
+public class PaymentApprovalResponse {
     private String status;
     private String message;
     private String transactionId;
diff --git a/dap-tool-payment/src/main/java/io/shinhanlife/dap/mcc/service/PaymentApprovalService.java b/dap-tool-payment/src/main/java/io/shinhanlife/dap/mcc/service/PaymentApprovalService.java
index d1d9f74d..12c96c50 100644
--- a/dap-tool-payment/src/main/java/io/shinhanlife/dap/mcc/service/PaymentApprovalService.java
+++ b/dap-tool-payment/src/main/java/io/shinhanlife/dap/mcc/service/PaymentApprovalService.java
@@ -3,5 +3,5 @@ package io.shinhanlife.dap.mcc.service;
 import io.shinhanlife.dap.mcc.dto.*;
 
 public interface PaymentApprovalService {
-    Object execute(PaymentApprovalReq req);
+    Object execute(PaymentApprovalRequest req);
 }
diff --git a/dap-tool-payment/src/main/java/io/shinhanlife/dap/mcc/service/impl/PaymentApprovalServiceImpl.java b/dap-tool-payment/src/main/java/io/shinhanlife/dap/mcc/service/impl/PaymentApprovalServiceImpl.java
index 467771ed..9566c740 100644
--- a/dap-tool-payment/src/main/java/io/shinhanlife/dap/mcc/service/impl/PaymentApprovalServiceImpl.java
+++ b/dap-tool-payment/src/main/java/io/shinhanlife/dap/mcc/service/impl/PaymentApprovalServiceImpl.java
@@ -4,7 +4,7 @@ import io.shinhanlife.dap.mcc.annotation.McpFunction;
 import io.shinhanlife.dap.mcc.annotation.McpTool;
 import io.shinhanlife.dap.mcc.service.PaymentApprovalService;
 import io.shinhanlife.dap.mcc.service.AbstractMcpToolService;
-import io.shinhanlife.dap.mcc.dto.PaymentApprovalReq;
+import io.shinhanlife.dap.mcc.dto.PaymentApprovalRequest;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 
@@ -39,7 +39,7 @@ public class PaymentApprovalServiceImpl extends AbstractMcpToolService implement
         mappingId = "PAY_001"
     )
     @Override
-    public Object execute(PaymentApprovalReq req) {
+    public Object execute(PaymentApprovalRequest req) {
         log.info("[Payment] 결제 승인 요청 수신. 계좌: {}, 금액: {}", req.getAccountNumber(), req.getAmount());
         
         // 레거시 연동
diff --git a/dap-tool-sms/src/main/java/io/shinhanlife/dap/mcc/converter/SmsLegacyConverter.java b/dap-tool-sms/src/main/java/io/shinhanlife/dap/mcc/converter/SmsLegacyConverter.java
index 8b6a8e35..9c2e27c0 100644
--- a/dap-tool-sms/src/main/java/io/shinhanlife/dap/mcc/converter/SmsLegacyConverter.java
+++ b/dap-tool-sms/src/main/java/io/shinhanlife/dap/mcc/converter/SmsLegacyConverter.java
@@ -15,8 +15,8 @@ package io.shinhanlife.dap.mcc.converter;
  * 
  * </pre>
  */
-import io.shinhanlife.dap.mcc.dto.SmsSendReq;
-import io.shinhanlife.dap.mcc.legacy.SmsLegacyReq;
+import io.shinhanlife.dap.mcc.dto.SmsSendRequest;
+import io.shinhanlife.dap.mcc.legacy.SmsLegacyRequest;
 import org.mapstruct.Mapper;
 import org.mapstruct.Mapping;
 
@@ -25,5 +25,5 @@ public interface SmsLegacyConverter {
 
     @Mapping(source = "phoneNumber", target = "phone")
     @Mapping(source = "message", target = "content")
-    SmsLegacyReq toLegacyReq(SmsSendReq req);
+    SmsLegacyRequest toLegacyRequest(SmsSendRequest req);
 }
diff --git a/dap-tool-sms/src/main/java/io/shinhanlife/dap/mcc/dto/SmsSendReq.java b/dap-tool-sms/src/main/java/io/shinhanlife/dap/mcc/dto/SmsSendRequest.java
similarity index 93%
rename from dap-tool-sms/src/main/java/io/shinhanlife/dap/mcc/dto/SmsSendReq.java
rename to dap-tool-sms/src/main/java/io/shinhanlife/dap/mcc/dto/SmsSendRequest.java
index 84dc607a..ffa14f9b 100644
--- a/dap-tool-sms/src/main/java/io/shinhanlife/dap/mcc/dto/SmsSendReq.java
+++ b/dap-tool-sms/src/main/java/io/shinhanlife/dap/mcc/dto/SmsSendRequest.java
@@ -10,7 +10,7 @@ import lombok.Setter;
 
 /**
  * @package io.shinhanlife.dap.mcc.dto
- * @className SmsSendReq
+ * @className SmsSendRequest
  * @description AX HUB 시스템 처리 클래스
  * @author 0986406
  * @create 2026.09.01
@@ -27,7 +27,7 @@ import lombok.Setter;
 @Builder
 @NoArgsConstructor
 @AllArgsConstructor
-public class SmsSendReq {
+public class SmsSendRequest {
 
     @McpParameter(description = "수신자 전화번호", required = true)
     private String phoneNumber;
diff --git a/dap-tool-sms/src/main/java/io/shinhanlife/dap/mcc/legacy/SmsLegacyReq.java b/dap-tool-sms/src/main/java/io/shinhanlife/dap/mcc/legacy/SmsLegacyRequest.java
similarity index 91%
rename from dap-tool-sms/src/main/java/io/shinhanlife/dap/mcc/legacy/SmsLegacyReq.java
rename to dap-tool-sms/src/main/java/io/shinhanlife/dap/mcc/legacy/SmsLegacyRequest.java
index f575e1b3..099b810f 100644
--- a/dap-tool-sms/src/main/java/io/shinhanlife/dap/mcc/legacy/SmsLegacyReq.java
+++ b/dap-tool-sms/src/main/java/io/shinhanlife/dap/mcc/legacy/SmsLegacyRequest.java
@@ -3,7 +3,7 @@ package io.shinhanlife.dap.mcc.legacy;
 
 /**
  * @package io.shinhanlife.dap.mcc.sms.dto
- * @className SmsLegacyReq
+ * @className SmsLegacyRequest
  * @description AX HUB 시스템 처리 클래스
  * @author 0986406
  * @create 2026.09.01
@@ -20,7 +20,7 @@ import lombok.Getter;
 
 @Getter
 @Builder
-public class SmsLegacyReq {
+public class SmsLegacyRequest {
     /**
      * EAI 시스템이 요구하는 수신자 번호 파라미터명
      */
diff --git a/dap-tool-sms/src/main/java/io/shinhanlife/dap/mcc/service/SmsToolService.java b/dap-tool-sms/src/main/java/io/shinhanlife/dap/mcc/service/SmsToolService.java
index afcc66dc..27f0a4dc 100644
--- a/dap-tool-sms/src/main/java/io/shinhanlife/dap/mcc/service/SmsToolService.java
+++ b/dap-tool-sms/src/main/java/io/shinhanlife/dap/mcc/service/SmsToolService.java
@@ -3,5 +3,5 @@ package io.shinhanlife.dap.mcc.service;
 import io.shinhanlife.dap.mcc.dto.*;
 
 public interface SmsToolService {
-    Object sendSms(SmsSendReq req);
+    Object sendSms(SmsSendRequest req);
 }
diff --git a/dap-tool-sms/src/main/java/io/shinhanlife/dap/mcc/service/impl/SmsToolServiceImpl.java b/dap-tool-sms/src/main/java/io/shinhanlife/dap/mcc/service/impl/SmsToolServiceImpl.java
index 5963964c..c8df4e31 100644
--- a/dap-tool-sms/src/main/java/io/shinhanlife/dap/mcc/service/impl/SmsToolServiceImpl.java
+++ b/dap-tool-sms/src/main/java/io/shinhanlife/dap/mcc/service/impl/SmsToolServiceImpl.java
@@ -5,8 +5,8 @@ import io.shinhanlife.dap.mcc.annotation.McpTool;
 import io.shinhanlife.dap.mcc.service.SmsToolService;
 import io.shinhanlife.dap.mcc.service.AbstractMcpToolService;
 import io.shinhanlife.dap.mcc.converter.SmsLegacyConverter;
-import io.shinhanlife.dap.mcc.dto.SmsSendReq;
-import io.shinhanlife.dap.mcc.legacy.SmsLegacyReq;
+import io.shinhanlife.dap.mcc.dto.SmsSendRequest;
+import io.shinhanlife.dap.mcc.legacy.SmsLegacyRequest;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 
@@ -35,14 +35,14 @@ public class SmsToolServiceImpl extends AbstractMcpToolService implements SmsToo
 
     @McpFunction(register = false, displayName = "send_sms 툴", name = "send_sms", description = "SMS 발송", prompt = "고객에게 SMS 메시지를 발송해줘.", mappingId = "SMS_SEND_001")
     @Override
-    public Object sendSms(SmsSendReq req) {
+    public Object sendSms(SmsSendRequest req) {
         log.info("[SMS] SMS 발송 요청 수신. 수신자: {}", req.getPhoneNumber());
 
         // MapStruct를 이용한 자동 매핑 (AI DTO -> MCI DTO)
-        SmsLegacyReq legacyReq = converter.toLegacyReq(req);
+        SmsLegacyRequest legacyRequest = converter.toLegacyRequest(req);
 
         // 레거시 시스템 연동 (EAI) - DTO 객체를 그대로 넘김
-        Map<String, Object> result = executeLegacy("EAI", "SMS_SEND_001", legacyReq);
+        Map<String, Object> result = executeLegacy("EAI", "SMS_SEND_001", legacyRequest);
 
         // 결과 가공
         if ("SUCCESS".equals(result.get("status"))) {
diff --git a/dto_refactor.ps1 b/dto_refactor.ps1
new file mode 100644
index 00000000..47ade2d9
--- /dev/null
+++ b/dto_refactor.ps1
@@ -0,0 +1,34 @@
+$ErrorActionPreference = "Stop"
+
+$extensions = @("*.java", "*.xml", "*.yml", "*.properties", "*.gradle", "*.md")
+$baseDir = "C:\eGovFrameDev-4.3.1-64bit\workspace-egov\axhub-backend-main"
+
+Write-Host "Replacing text (Req -> Request, Res -> Response)..."
+Get-ChildItem -Path $baseDir -Include $extensions -Recurse -File | ForEach-Object {
+    if ($_.FullName -notmatch "\\build\\" -and $_.FullName -notmatch "\\\.git\\" -and $_.FullName -notmatch "\\\.gradle\\" -and $_.FullName -notmatch "\\bin\\") {
+        try {
+            $content = Get-Content $_.FullName -Raw -Encoding UTF8
+            $newContent = $content -creplace "Req\b", "Request"
+            $newContent = $newContent -creplace "Res\b", "Response"
+            if ($content -cne $newContent) {
+                Write-Host "Updated text in: $($_.FullName)"
+                $utf8NoBom = New-Object System.Text.UTF8Encoding $False
+                [System.IO.File]::WriteAllText($_.FullName, $newContent, $utf8NoBom)
+            }
+        } catch {
+            Write-Host "Skipped binary or locked file: $($_.FullName)"
+        }
+    }
+}
+
+Write-Host "Renaming DTO files..."
+Get-ChildItem -Path $baseDir -Include *Req.java,*Res.java -Recurse -File | ForEach-Object {
+    if ($_.FullName -notmatch "\\build\\" -and $_.FullName -notmatch "\\\.git\\" -and $_.FullName -notmatch "\\\.gradle\\" -and $_.FullName -notmatch "\\bin\\") {
+        $newName = $_.Name -creplace "Req\.java$", "Request.java"
+        $newName = $newName -creplace "Res\.java$", "Response.java"
+        Write-Host "Renaming file: $($_.FullName) -> $newName"
+        Rename-Item -Path $_.FullName -NewName $newName
+    }
+}
+
+Write-Host "DTO Refactoring completed!"