diff --git a/chaos_test.py b/chaos_test.py
new file mode 100644
index 0000000..1262231
--- /dev/null
+++ b/chaos_test.py
@@ -0,0 +1,161 @@
+import requests
+import json
+import threading
+import time
+
+BASE_URL = "https://axhub-gateway.onrender.com/mcp/custom/common"
+TOOL_NAME = "other_get_current_weather"
+
+results = []
+
+def run_test(test_name, payload_args):
+    print(f"\n[{test_name}] 시작...")
+
+    try:
+        # 1. Initialize (서버 슬립 해제 포함, 타임아웃 넉넉하게)
+        init_resp = requests.post(BASE_URL, json={
+            "jsonrpc": "2.0", "id": 1, "method": "initialize",
+            "params": {
+                "protocolVersion": "2025-06-18",
+                "capabilities": {},
+                "clientInfo": {"name": "chaos-tester", "version": "1.0.0"}
+            }
+        }, stream=True, timeout=60)
+
+        session_id = init_resp.headers.get("Mcp-Session-Id")
+        if not session_id:
+            results.append({"name": test_name, "payload": str(payload_args), "result": "세션 수립 실패", "safety": "알 수 없음"})
+            print(f"  세션 수립 실패")
+            return
+
+        print(f"  세션 ID: {session_id[:16]}...")
+        headers = {"Mcp-Session-Id": session_id}
+
+        sse_result = {"data": None, "raw": []}
+
+        def read_sse(resp):
+            for line in resp.iter_lines():
+                if line:
+                    decoded = line.decode("utf-8")
+                    sse_result["raw"].append(decoded)
+                    if decoded.startswith("data:"):
+                        raw = decoded[5:].strip()
+                        if raw and not raw.startswith("/mcp"):
+                            try:
+                                parsed = json.loads(raw)
+                                # tools/call 응답 (id=2)만 저장
+                                if parsed.get("id") == 2:
+                                    sse_result["data"] = parsed
+                            except:
+                                pass
+
+        sse_thread = threading.Thread(target=read_sse, args=(init_resp,), daemon=True)
+        sse_thread.start()
+        time.sleep(1)
+
+        # 2. notifications/initialized
+        requests.post(BASE_URL, json={"jsonrpc": "2.0", "method": "notifications/initialized"},
+                      headers=headers, timeout=30)
+        time.sleep(0.5)
+
+        # 3. tools/call with chaos payload
+        print(f"  페이로드 주입 중: {json.dumps(payload_args, ensure_ascii=False)[:80]}")
+        call_resp = requests.post(BASE_URL, json={
+            "jsonrpc": "2.0", "id": 2, "method": "tools/call",
+            "params": {"name": TOOL_NAME, "arguments": payload_args}
+        }, headers=headers, timeout=30)
+
+        print(f"  HTTP Status: {call_resp.status_code}")
+
+        # SSE 응답 대기 (최대 5초)
+        for _ in range(10):
+            time.sleep(0.5)
+            if sse_result["data"]:
+                break
+
+        tool_result = sse_result["data"]
+        http_status = call_resp.status_code
+
+        # 결과 분석
+        server_died = False
+        is_error = False
+        response_summary = "SSE 응답 없음 (타임아웃)"
+
+        if tool_result:
+            result_body = tool_result.get("result", {})
+            error_body  = tool_result.get("error", {})
+
+            if error_body:
+                is_error = True
+                response_summary = f"MCP Error: {json.dumps(error_body, ensure_ascii=False)[:100]}"
+            elif isinstance(result_body, dict):
+                is_err_flag = result_body.get("isError", False)
+                content = result_body.get("content", [])
+                text = content[0].get("text", "") if content else str(result_body)
+                if is_err_flag or "500" in text or "Exception" in text:
+                    server_died = True
+                    response_summary = f"서버 에러: {text[:100]}"
+                else:
+                    response_summary = f"정상 응답: {text[:100]}"
+        elif http_status >= 500:
+            server_died = True
+            response_summary = f"HTTP {http_status} 서버 에러"
+
+        if server_died:
+            safety = "위험 - 서버 500 에러"
+        elif is_error:
+            safety = "안전 - Validation 에러 반환"
+        else:
+            safety = f"실행됨 (HTTP {http_status})"
+
+        results.append({
+            "name": test_name,
+            "payload": json.dumps(payload_args, ensure_ascii=False)[:60],
+            "result": response_summary,
+            "safety": safety
+        })
+
+        print(f"  결과: {response_summary}")
+        print(f"  판정: {safety}")
+
+    except requests.exceptions.ReadTimeout:
+        results.append({"name": test_name, "payload": str(payload_args), "result": "서버 응답 타임아웃", "safety": "판정 불가"})
+        print(f"  타임아웃 발생")
+    except Exception as e:
+        results.append({"name": test_name, "payload": str(payload_args), "result": f"오류: {str(e)[:80]}", "safety": "판정 불가"})
+        print(f"  오류: {e}")
+
+
+# ===== 서버 웨이크업 =====
+print("=" * 60)
+print("서버 웨이크업 중... (최초 응답에 시간이 걸릴 수 있습니다)")
+try:
+    r = requests.get("https://axhub-gateway.onrender.com/actuator/health", timeout=60)
+    print(f"서버 상태: {r.status_code}")
+except:
+    print("헬스체크 엔드포인트 없음 - 바로 테스트 진행")
+
+print("=" * 60)
+print(f"CHAOS TEST: {TOOL_NAME}")
+print("=" * 60)
+
+# 1. 타입 브레이커: city에 10000자 문자열
+run_test("1. 타입 브레이커 (10000자 문자열)", {"city": "A" * 10000})
+time.sleep(2)
+
+# 2. 필수 파라미터 누락
+run_test("2. 필수 파라미터 누락 (city 없음)", {})
+time.sleep(2)
+
+# 3. XSS + SQL Injection
+run_test("3. 악의적 페이로드 (XSS + SQL Injection)", {"city": "<script>alert(1)</script>' OR 1=1 --"})
+
+# ===== 결과 리포트 =====
+print("\n\n" + "=" * 80)
+print("CHAOS TEST 결과 리포트 - other_get_current_weather")
+print("=" * 80)
+print(f"{'테스트 시나리오':<35} {'판정':<30} {'서버 응답'}")
+print("-" * 100)
+for r in results:
+    print(f"{r['name']:<35} {r['safety']:<30} {r['result'][:40]}")
+print("=" * 80)
diff --git a/dap-gateway/src/test/java/io/shinhanlife/dap/biz/mcp/gateway/sync/DynamicMcpControllerRouteTest.java b/dap-gateway/src/test/java/io/shinhanlife/dap/biz/mcp/gateway/sync/DynamicMcpControllerRouteTest.java
new file mode 100644
index 0000000..074d6b8
--- /dev/null
+++ b/dap-gateway/src/test/java/io/shinhanlife/dap/biz/mcp/gateway/sync/DynamicMcpControllerRouteTest.java
@@ -0,0 +1,34 @@
+package io.shinhanlife.dap.biz.mcp.gateway.sync;
+
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import java.util.Arrays;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+
+class DynamicMcpControllerRouteTest {
+
+    @Test
+    void exposesOnlySupportedCategoryAwareMcpRoutes() {
+        Set<String> getPaths = Arrays.stream(DynamicMcpController.class.getDeclaredMethods())
+                .flatMap(method -> Arrays.stream(method.getAnnotationsByType(GetMapping.class)))
+                .flatMap(mapping -> Arrays.stream(mapping.value()))
+                .collect(Collectors.toSet());
+        Set<String> postPaths = Arrays.stream(DynamicMcpController.class.getDeclaredMethods())
+                .flatMap(method -> Arrays.stream(method.getAnnotationsByType(PostMapping.class)))
+                .flatMap(mapping -> Arrays.stream(mapping.value()))
+                .collect(Collectors.toSet());
+
+        assertTrue(getPaths.contains("/mcp/sse/{category}"));
+        assertTrue(postPaths.contains("/mcp/message/{category}"));
+        assertTrue(postPaths.contains("/mcp/custom/{category}"));
+        assertFalse(postPaths.contains("/mcp"));
+        assertFalse(postPaths.contains("/mcp/initialize"));
+        assertFalse(postPaths.contains("/mcp/sse/initialize"));
+    }
+}
diff --git a/dap-gateway/src/test/java/io/shinhanlife/dap/biz/mcp/gateway/sync/RegistryMcpToolSpecificationFactoryTest.java b/dap-gateway/src/test/java/io/shinhanlife/dap/biz/mcp/gateway/sync/RegistryMcpToolSpecificationFactoryTest.java
new file mode 100644
index 0000000..6c7804e
--- /dev/null
+++ b/dap-gateway/src/test/java/io/shinhanlife/dap/biz/mcp/gateway/sync/RegistryMcpToolSpecificationFactoryTest.java
@@ -0,0 +1,32 @@
+package io.shinhanlife.dap.biz.mcp.gateway.sync;
+
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import io.modelcontextprotocol.spec.McpSchema;
+import io.shinhanlife.dap.biz.mcp.gateway.dto.ToolMetadata;
+import org.junit.jupiter.api.Test;
+
+class RegistryMcpToolSpecificationFactoryTest {
+
+    @Test
+    void exposesMetadataBehaviorHintsInMcpToolSpecification() {
+        ToolMetadata metadata = ToolMetadata.builder()
+                .name("customer_lookup")
+                .description("Looks up customer information")
+                .readOnlyHint(true)
+                .destructiveHint(false)
+                .idempotentHint(true)
+                .openWorldHint(false)
+                .build();
+
+        RegistryMcpToolSpecificationFactory factory = new RegistryMcpToolSpecificationFactory(null, new ObjectMapper());
+        McpSchema.Tool tool = factory.create(metadata).tool();
+
+        assertTrue(tool.annotations().readOnlyHint());
+        assertFalse(tool.annotations().destructiveHint());
+        assertTrue(tool.annotations().idempotentHint());
+        assertFalse(tool.annotations().openWorldHint());
+    }
+}
diff --git a/dap-tool-core/src/main/java/io/shinhanlife/dap/common/integration/mci/config/ShinhanIntegrationProperties.java b/dap-tool-core/src/main/java/io/shinhanlife/dap/common/integration/mci/config/ShinhanIntegrationProperties.java
index a98981b..925dfd4 100644
--- a/dap-tool-core/src/main/java/io/shinhanlife/dap/common/integration/mci/config/ShinhanIntegrationProperties.java
+++ b/dap-tool-core/src/main/java/io/shinhanlife/dap/common/integration/mci/config/ShinhanIntegrationProperties.java
@@ -21,7 +21,6 @@ import org.springframework.context.annotation.Configuration;
  */
 @Getter
 @Setter
-@Configuration
 @ConfigurationProperties(prefix = "shinhan.integration")
 public class ShinhanIntegrationProperties {
     
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 dd4a93a..a0ab279 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
@@ -161,188 +161,270 @@ public class ToolScaffolder {
 
         String toolName = baseName.isEmpty() ? baseName : Character.toLowerCase(baseName.charAt(0)) + baseName.substring(1);
 
-        // Generate Service
-        String serviceContent = """
-            package %s.service;
+        boolean isMci = "MCI".equalsIgnoreCase(routingType);
+        String serviceContent;
 
-            import %s.annotation.McpFunction;
-            import %s.annotation.McpTool;
-            import %s.dto.%sReq;
-            import %s.dto.%sRes;
-            import %s.%s.converter.%sLegacyConverter;
-            import org.springframework.stereotype.Service;
-            import org.mapstruct.factory.Mappers;
+        if (isMci) {
+            serviceContent = """
+                package %s.service;
 
-            /**
-             * @package %s.service
-             * @className %sService
-             * @description AX HUB 시스템 처리 클래스
-             * @author %s
-             * @create %s
-             * <pre>
-             * ---------- 개정이력 ----------
-             * 수정일      수정자    수정내용
-             * ---------- -------- ---------------------------
-             * %s  %s    최초생성
-             * 
-             * </pre>
-             */
-            @Service
-            @McpTool(
-                routingType = "%s",
-                categoryKey = "%s"
-            )
-            public class %sService extends AbstractMcpToolService {
+                import %s.annotation.McpFunction;
+                import %s.annotation.McpTool;
+                import %s.dto.%sReq;
+                import %s.dto.%sRes;
+                import io.shinhanlife.dap.common.integration.mci.component.AxhubMciComponent;
+                import io.shinhanlife.glow.communication.dto.Transfer;
+                import org.springframework.stereotype.Service;
+                import lombok.RequiredArgsConstructor;
+                import lombok.extern.slf4j.Slf4j;
 
-                private final %sLegacyConverter converter = Mappers.getMapper(%sLegacyConverter.class);
-
-                @McpFunction(
-                    displayName = "%s 툴",
-                    name = "%s",
-                    description = "%s",
-                    prompt = "%s",
-                    mappingId = "%s",
-                    register = %s,
-                    requiresApproval = false
+                /**
+                 * @package %s.service
+                 * @className %sService
+                 * @description AX HUB 시스템 처리 클래스
+                 * @author %s
+                 * @create %s
+                 * <pre>
+                 * ---------- 개정이력 ----------
+                 * 수정일      수정자    수정내용
+                 * ---------- -------- ---------------------------
+                 * %s  %s    최초생성
+                 * 
+                 * </pre>
+                 */
+                @Slf4j
+                @Service
+                @RequiredArgsConstructor
+                @McpTool(
+                    routingType = "%s",
+                    categoryKey = "%s"
                 )
-                public Object execute(%sReq req) {
-                    // %sLegacyReq legacyReq = converter.toLegacyReq(req);
-                    return executeLegacy("%s", "%s", req); // Or pass legacyReq
+                public class %sService {
+
+                    private final AxhubMciComponent mci;
+
+                    @McpFunction(
+                        displayName = "%s 툴",
+                        name = "%s",
+                        description = "%s",
+                        prompt = "%s",
+                        mappingId = "%s",
+                        register = %s,
+                        requiresApproval = false,
+                        openWorldHint = true
+                    )
+                    public Object execute(%sReq req) {
+                        log.info("[MCI Tool] {} 요청 수신.", "%s");
+                        try {
+                            Transfer<Object> resTransfer = mci.callTo(
+                                    "%s", 
+                                    null, 
+                                    req, 
+                                    Object.class
+                            );
+                            return resTransfer.getBody() != null ? resTransfer.getBody() : "{\"status\":\"SUCCESS\"}";
+                        } catch (Exception e) {
+                            log.error("[MCI Tool] 연동 중 오류 발생: {}", e.getMessage(), e);
+                            return "{\"status\":\"ERROR\", \"message\":\"" + e.getMessage() + "\"}";
+                        }
+                    }
                 }
-            }
-            """.formatted(
-                BASE_PACKAGE,
-                BASE_PACKAGE,
-                BASE_PACKAGE,
-                BASE_PACKAGE, baseName,
-                BASE_PACKAGE, baseName,
-                BASE_PACKAGE, shortName, baseName,
-                BASE_PACKAGE,
-                baseName,
-                author,
-                createDate,
-                createDate, author,
-                routingType, group.toLowerCase(),
-                baseName,
-                baseName, baseName,
-                baseName, toolName, description, description + " 해줘.", interfaceId, register,
-                baseName,
-                baseName,
-                routingType, interfaceId
-            );
+                """.formatted(
+                    BASE_PACKAGE,
+                    BASE_PACKAGE,
+                    BASE_PACKAGE,
+                    BASE_PACKAGE, baseName,
+                    BASE_PACKAGE, baseName,
+                    BASE_PACKAGE, baseName,
+                    author,
+                    createDate,
+                    createDate, author,
+                    routingType, group.toLowerCase(),
+                    baseName,
+                    baseName, toolName, description, description + " 해줘.", interfaceId, register,
+                    baseName,
+                    baseName, interfaceId
+                );
+        } else {
+            serviceContent = """
+                package %s.service;
+
+                import %s.annotation.McpFunction;
+                import %s.annotation.McpTool;
+                import %s.dto.%sReq;
+                import %s.dto.%sRes;
+                import %s.%s.converter.%sLegacyConverter;
+                import org.springframework.stereotype.Service;
+                import org.mapstruct.factory.Mappers;
+
+                /**
+                 * @package %s.service
+                 * @className %sService
+                 * @description AX HUB 시스템 처리 클래스
+                 * @author %s
+                 * @create %s
+                 * <pre>
+                 * ---------- 개정이력 ----------
+                 * 수정일      수정자    수정내용
+                 * ---------- -------- ---------------------------
+                 * %s  %s    최초생성
+                 * 
+                 * </pre>
+                 */
+                @Service
+                @McpTool(
+                    routingType = "%s",
+                    categoryKey = "%s"
+                )
+                public class %sService extends AbstractMcpToolService {
+
+                    private final %sLegacyConverter converter = Mappers.getMapper(%sLegacyConverter.class);
+
+                    @McpFunction(
+                        displayName = "%s 툴",
+                        name = "%s",
+                        description = "%s",
+                        prompt = "%s",
+                        mappingId = "%s",
+                        register = %s,
+                        requiresApproval = false
+                    )
+                    public Object execute(%sReq req) {
+                        // %sLegacyReq legacyReq = converter.toLegacyReq(req);
+                        return executeLegacy("%s", "%s", req); // Or pass legacyReq
+                    }
+                }
+                """.formatted(
+                    BASE_PACKAGE,
+                    BASE_PACKAGE,
+                    BASE_PACKAGE,
+                    BASE_PACKAGE, baseName,
+                    BASE_PACKAGE, baseName,
+                    BASE_PACKAGE, shortName, baseName,
+                    BASE_PACKAGE, baseName,
+                    author,
+                    createDate,
+                    createDate, author,
+                    routingType, group.toLowerCase(),
+                    baseName,
+                    baseName, toolName, description, description + " 해줘.", interfaceId, register,
+                    baseName,
+                    baseName,
+                    routingType, interfaceId
+                );
+        }
         
         Files.writeString(serviceDir.resolve(baseName + "Service.java"), serviceContent);
 
+        if (!isMci) {
+            String legacyReqContent = """
+                package %s.%s.dto;
 
+                import lombok.Data;
 
-        // Generate Legacy Req DTO
-        String legacyReqContent = """
-            package %s.%s.dto;
+                /**
+                 * @package %s.%s.dto
+                 * @className %sLegacyReq
+                 * @description AX HUB 시스템 처리 클래스
+                 * @author %s
+                 * @create %s
+                 * <pre>
+                 * ---------- 개정이력 ----------
+                 * 수정일      수정자    수정내용
+                 * ---------- -------- ---------------------------
+                 * %s  %s    최초생성
+                 * 
+                 * </pre>
+                 */
+                @Data
+                public class %sLegacyReq {
+                    // TODO: Add legacy request fields here
+                }
+                """.formatted(BASE_PACKAGE, shortName, BASE_PACKAGE, shortName, baseName, author, createDate, createDate, author, baseName);
+            Files.writeString(legacyDtoDir.resolve(baseName + "LegacyReq.java"), legacyReqContent);
 
-            import lombok.Data;
+            String legacyResContent = """
+                package %s.%s.dto;
 
-            /**
-             * @package %s.%s.dto
-             * @className %sLegacyReq
-             * @description AX HUB 시스템 처리 클래스
-             * @author %s
-             * @create %s
-             * <pre>
-             * ---------- 개정이력 ----------
-             * 수정일      수정자    수정내용
-             * ---------- -------- ---------------------------
-             * %s  %s    최초생성
-             * 
-             * </pre>
-             */
-            @Data
-            public class %sLegacyReq {
-                // TODO: Add legacy request fields here
-            }
-            """.formatted(BASE_PACKAGE, shortName, BASE_PACKAGE, shortName, baseName, author, createDate, createDate, author, baseName);
-        Files.writeString(legacyDtoDir.resolve(baseName + "LegacyReq.java"), legacyReqContent);
+                import lombok.Data;
 
-        // Generate Legacy Res DTO
-        String legacyResContent = """
-            package %s.%s.dto;
+                /**
+                 * @package %s.%s.dto
+                 * @className %sLegacyRes
+                 * @description AX HUB 시스템 처리 클래스
+                 * @author %s
+                 * @create %s
+                 * <pre>
+                 * ---------- 개정이력 ----------
+                 * 수정일      수정자    수정내용
+                 * ---------- -------- ---------------------------
+                 * %s  %s    최초생성
+                 * 
+                 * </pre>
+                 */
+                @Data
+                public class %sLegacyRes {
+                    // TODO: Add legacy response fields here
+                }
+                """.formatted(BASE_PACKAGE, shortName, BASE_PACKAGE, shortName, baseName, author, createDate, createDate, author, baseName);
+            Files.writeString(legacyDtoDir.resolve(baseName + "LegacyRes.java"), legacyResContent);
 
-            import lombok.Data;
+            String converterContent = """
+                package %s.%s.converter;
 
-            /**
-             * @package %s.%s.dto
-             * @className %sLegacyRes
-             * @description AX HUB 시스템 처리 클래스
-             * @author %s
-             * @create %s
-             * <pre>
-             * ---------- 개정이력 ----------
-             * 수정일      수정자    수정내용
-             * ---------- -------- ---------------------------
-             * %s  %s    최초생성
-             * 
-             * </pre>
-             */
-            @Data
-            public class %sLegacyRes {
-                // TODO: Add legacy response fields here
-            }
-            """.formatted(BASE_PACKAGE, shortName, BASE_PACKAGE, shortName, baseName, author, createDate, createDate, author, baseName);
-        Files.writeString(legacyDtoDir.resolve(baseName + "LegacyRes.java"), legacyResContent);
+                import %s.dto.%sReq;
+                import %s.dto.%sRes;
+                import %s.%s.dto.%sLegacyReq;
+                import %s.%s.dto.%sLegacyRes;
+                import org.mapstruct.Mapper;
+                import org.mapstruct.Mapping;
+                import org.mapstruct.factory.Mappers;
 
-        // Generate Legacy Converter
-        String converterContent = """
-            package %s.%s.converter;
+                /**
+                 * @package %s.%s.converter
+                 * @className %sLegacyConverter
+                 * @description AX HUB 시스템 처리 클래스
+                 * @author %s
+                 * @create %s
+                 * <pre>
+                 * ---------- 개정이력 ----------
+                 * 수정일      수정자    수정내용
+                 * ---------- -------- ---------------------------
+                 * %s  %s    최초생성
+                 * 
+                 * </pre>
+                 */
+                @Mapper(componentModel = "spring")
+                public interface %sLegacyConverter {
 
-            import %s.dto.%sReq;
-            import %s.dto.%sRes;
-            import %s.%s.dto.%sLegacyReq;
-            import %s.%s.dto.%sLegacyRes;
-            import org.mapstruct.Mapper;
-            import org.mapstruct.Mapping;
-            import org.mapstruct.factory.Mappers;
-
-            /**
-             * @package %s.%s.converter
-             * @className %sLegacyConverter
-             * @description AX HUB 시스템 처리 클래스
-             * @author %s
-             * @create %s
-             * <pre>
-             * ---------- 개정이력 ----------
-             * 수정일      수정자    수정내용
-             * ---------- -------- ---------------------------
-             * %s  %s    최초생성
-             * 
-             * </pre>
-             */
-            @Mapper(componentModel = "spring")
-            public interface %sLegacyConverter {
-
-                // @Mapping(source = "sourceField", target = "targetField")
-                %sLegacyReq toLegacyReq(%sReq req);
-                
-                %sRes toRes(%sLegacyRes legacyRes);
-            }
-            """.formatted(
-                BASE_PACKAGE, shortName,
-                BASE_PACKAGE, baseName,
-                BASE_PACKAGE, baseName,
-                BASE_PACKAGE, shortName, baseName,
-                BASE_PACKAGE, shortName, baseName,
-                BASE_PACKAGE, shortName, baseName, author, createDate, createDate, author,
-                baseName, baseName, baseName, baseName, baseName, baseName
-            );
-        Files.writeString(converterDir.resolve(baseName + "LegacyConverter.java"), converterContent);
+                    %sLegacyReq toLegacyReq(%sReq req);
+                    
+                    %sRes toRes(%sLegacyRes legacyRes);
+                }
+                """.formatted(
+                    BASE_PACKAGE, shortName,
+                    BASE_PACKAGE, baseName,
+                    BASE_PACKAGE, baseName,
+                    BASE_PACKAGE, shortName, baseName,
+                    BASE_PACKAGE, shortName, baseName,
+                    BASE_PACKAGE, shortName, baseName, author, createDate, createDate, author,
+                    baseName, baseName, baseName, baseName, baseName, baseName
+                );
+            Files.writeString(converterDir.resolve(baseName + "LegacyConverter.java"), converterContent);
+        }
 
         log.append("\n=========================================\n");
-        log.append(" Scaffolding Complete!\n");
+        log.append(" Scaffolding Complete! (Routing: " + routingType + ")\n");
         log.append("=========================================\n");
         log.append("[Service] ").append(serviceDir.resolve(baseName + "Service.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("[Legacy Converter] ").append(converterDir.resolve(baseName + "LegacyConverter.java")).append("\n");
+        
+        if (!isMci) {
+            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("[Legacy Converter] ").append(converterDir.resolve(baseName + "LegacyConverter.java")).append("\n");
+        }
         log.append("\n Tip: ").append(interfaceId).append(" 목업 데이터를 mock-responses.json에 추가하세요.\n");
         
         return log.toString();
diff --git a/dap-tool-core/src/test/java/io/shinhanlife/dap/biz/mcp/tool/annotation/McpFunctionAnnotationsTest.java b/dap-tool-core/src/test/java/io/shinhanlife/dap/biz/mcp/tool/annotation/McpFunctionAnnotationsTest.java
new file mode 100644
index 0000000..dccaa59
--- /dev/null
+++ b/dap-tool-core/src/test/java/io/shinhanlife/dap/biz/mcp/tool/annotation/McpFunctionAnnotationsTest.java
@@ -0,0 +1,27 @@
+package io.shinhanlife.dap.biz.mcp.tool.annotation;
+
+import static org.junit.jupiter.api.Assertions.assertFalse;
+
+import java.lang.reflect.Method;
+
+import org.junit.jupiter.api.Test;
+
+class McpFunctionAnnotationsTest {
+
+    @Test
+    void usesConservativeDefaultsForMcpBehaviorHints() throws NoSuchMethodException {
+        Method method = SampleTool.class.getDeclaredMethod("execute");
+        McpFunction annotation = method.getAnnotation(McpFunction.class);
+
+        assertFalse(annotation.readOnlyHint());
+        assertFalse(annotation.destructiveHint());
+        assertFalse(annotation.idempotentHint());
+        assertFalse(annotation.openWorldHint());
+    }
+
+    static class SampleTool {
+        @McpFunction(displayName = "sample", name = "sample", description = "sample")
+        void execute() {
+        }
+    }
+}
diff --git a/patch_scaffolder.py b/patch_scaffolder.py
new file mode 100644
index 0000000..dc480bd
--- /dev/null
+++ b/patch_scaffolder.py
@@ -0,0 +1,296 @@
+import re
+import os
+
+FILE_PATH = r"c:\Users\Admin\IdeaProjects\axhub-backend-main\dap-tool-core\src\main\java\io\shinhanlife\dap\common\util\ToolScaffolder.java"
+
+with open(FILE_PATH, 'r', encoding='utf-8') as f:
+    content = f.read()
+
+part1_start = content.find('String toolName = baseName.isEmpty() ? baseName : Character.toLowerCase(baseName.charAt(0)) + baseName.substring(1);')
+part1_end = content.find('log.append("\\n=========================================\\n");')
+
+if part1_start == -1 or part1_end == -1:
+    print("Could not find the target block.")
+    exit(1)
+
+new_block = '''String toolName = baseName.isEmpty() ? baseName : Character.toLowerCase(baseName.charAt(0)) + baseName.substring(1);
+
+        boolean isMci = "MCI".equalsIgnoreCase(routingType);
+        String serviceContent;
+
+        if (isMci) {
+            serviceContent = """
+                package %s.service;
+
+                import %s.annotation.McpFunction;
+                import %s.annotation.McpTool;
+                import %s.dto.%sReq;
+                import %s.dto.%sRes;
+                import io.shinhanlife.dap.common.integration.mci.component.AxhubMciComponent;
+                import io.shinhanlife.glow.communication.dto.Transfer;
+                import org.springframework.stereotype.Service;
+                import lombok.RequiredArgsConstructor;
+                import lombok.extern.slf4j.Slf4j;
+
+                /**
+                 * @package %s.service
+                 * @className %sService
+                 * @description AX HUB 시스템 처리 클래스
+                 * @author %s
+                 * @create %s
+                 * <pre>
+                 * ---------- 개정이력 ----------
+                 * 수정일      수정자    수정내용
+                 * ---------- -------- ---------------------------
+                 * %s  %s    최초생성
+                 * 
+                 * </pre>
+                 */
+                @Slf4j
+                @Service
+                @RequiredArgsConstructor
+                @McpTool(
+                    routingType = "%s",
+                    categoryKey = "%s"
+                )
+                public class %sService {
+
+                    private final AxhubMciComponent mci;
+
+                    @McpFunction(
+                        displayName = "%s 툴",
+                        name = "%s",
+                        description = "%s",
+                        prompt = "%s",
+                        mappingId = "%s",
+                        register = %s,
+                        requiresApproval = false,
+                        openWorldHint = true
+                    )
+                    public Object execute(%sReq req) {
+                        log.info("[MCI Tool] {} 요청 수신.", "%s");
+                        try {
+                            Transfer<Object> resTransfer = mci.callTo(
+                                    "%s", 
+                                    null, 
+                                    req, 
+                                    Object.class
+                            );
+                            return resTransfer.getBody() != null ? resTransfer.getBody() : "{\\"status\\":\\"SUCCESS\\"}";
+                        } catch (Exception e) {
+                            log.error("[MCI Tool] 연동 중 오류 발생: {}", e.getMessage(), e);
+                            return "{\\"status\\":\\"ERROR\\", \\"message\\":\\"" + e.getMessage() + "\\"}";
+                        }
+                    }
+                }
+                """.formatted(
+                    BASE_PACKAGE,
+                    BASE_PACKAGE,
+                    BASE_PACKAGE,
+                    BASE_PACKAGE, baseName,
+                    BASE_PACKAGE, baseName,
+                    BASE_PACKAGE, baseName,
+                    author,
+                    createDate,
+                    createDate, author,
+                    routingType, group.toLowerCase(),
+                    baseName,
+                    baseName, toolName, description, description + " 해줘.", interfaceId, register,
+                    baseName,
+                    baseName, interfaceId
+                );
+        } else {
+            serviceContent = """
+                package %s.service;
+
+                import %s.annotation.McpFunction;
+                import %s.annotation.McpTool;
+                import %s.dto.%sReq;
+                import %s.dto.%sRes;
+                import %s.%s.converter.%sLegacyConverter;
+                import org.springframework.stereotype.Service;
+                import org.mapstruct.factory.Mappers;
+
+                /**
+                 * @package %s.service
+                 * @className %sService
+                 * @description AX HUB 시스템 처리 클래스
+                 * @author %s
+                 * @create %s
+                 * <pre>
+                 * ---------- 개정이력 ----------
+                 * 수정일      수정자    수정내용
+                 * ---------- -------- ---------------------------
+                 * %s  %s    최초생성
+                 * 
+                 * </pre>
+                 */
+                @Service
+                @McpTool(
+                    routingType = "%s",
+                    categoryKey = "%s"
+                )
+                public class %sService extends AbstractMcpToolService {
+
+                    private final %sLegacyConverter converter = Mappers.getMapper(%sLegacyConverter.class);
+
+                    @McpFunction(
+                        displayName = "%s 툴",
+                        name = "%s",
+                        description = "%s",
+                        prompt = "%s",
+                        mappingId = "%s",
+                        register = %s,
+                        requiresApproval = false
+                    )
+                    public Object execute(%sReq req) {
+                        // %sLegacyReq legacyReq = converter.toLegacyReq(req);
+                        return executeLegacy("%s", "%s", req); // Or pass legacyReq
+                    }
+                }
+                """.formatted(
+                    BASE_PACKAGE,
+                    BASE_PACKAGE,
+                    BASE_PACKAGE,
+                    BASE_PACKAGE, baseName,
+                    BASE_PACKAGE, baseName,
+                    BASE_PACKAGE, shortName, baseName,
+                    BASE_PACKAGE, baseName,
+                    author,
+                    createDate,
+                    createDate, author,
+                    routingType, group.toLowerCase(),
+                    baseName,
+                    baseName, toolName, description, description + " 해줘.", interfaceId, register,
+                    baseName,
+                    baseName,
+                    routingType, interfaceId
+                );
+        }
+        
+        Files.writeString(serviceDir.resolve(baseName + "Service.java"), serviceContent);
+
+        if (!isMci) {
+            String legacyReqContent = """
+                package %s.%s.dto;
+
+                import lombok.Data;
+
+                /**
+                 * @package %s.%s.dto
+                 * @className %sLegacyReq
+                 * @description AX HUB 시스템 처리 클래스
+                 * @author %s
+                 * @create %s
+                 * <pre>
+                 * ---------- 개정이력 ----------
+                 * 수정일      수정자    수정내용
+                 * ---------- -------- ---------------------------
+                 * %s  %s    최초생성
+                 * 
+                 * </pre>
+                 */
+                @Data
+                public class %sLegacyReq {
+                    // TODO: Add legacy request fields here
+                }
+                """.formatted(BASE_PACKAGE, shortName, BASE_PACKAGE, shortName, baseName, author, createDate, createDate, author, baseName);
+            Files.writeString(legacyDtoDir.resolve(baseName + "LegacyReq.java"), legacyReqContent);
+
+            String legacyResContent = """
+                package %s.%s.dto;
+
+                import lombok.Data;
+
+                /**
+                 * @package %s.%s.dto
+                 * @className %sLegacyRes
+                 * @description AX HUB 시스템 처리 클래스
+                 * @author %s
+                 * @create %s
+                 * <pre>
+                 * ---------- 개정이력 ----------
+                 * 수정일      수정자    수정내용
+                 * ---------- -------- ---------------------------
+                 * %s  %s    최초생성
+                 * 
+                 * </pre>
+                 */
+                @Data
+                public class %sLegacyRes {
+                    // TODO: Add legacy response fields here
+                }
+                """.formatted(BASE_PACKAGE, shortName, BASE_PACKAGE, shortName, baseName, author, createDate, createDate, author, baseName);
+            Files.writeString(legacyDtoDir.resolve(baseName + "LegacyRes.java"), legacyResContent);
+
+            String converterContent = """
+                package %s.%s.converter;
+
+                import %s.dto.%sReq;
+                import %s.dto.%sRes;
+                import %s.%s.dto.%sLegacyReq;
+                import %s.%s.dto.%sLegacyRes;
+                import org.mapstruct.Mapper;
+                import org.mapstruct.Mapping;
+                import org.mapstruct.factory.Mappers;
+
+                /**
+                 * @package %s.%s.converter
+                 * @className %sLegacyConverter
+                 * @description AX HUB 시스템 처리 클래스
+                 * @author %s
+                 * @create %s
+                 * <pre>
+                 * ---------- 개정이력 ----------
+                 * 수정일      수정자    수정내용
+                 * ---------- -------- ---------------------------
+                 * %s  %s    최초생성
+                 * 
+                 * </pre>
+                 */
+                @Mapper(componentModel = "spring")
+                public interface %sLegacyConverter {
+
+                    %sLegacyReq toLegacyReq(%sReq req);
+                    
+                    %sRes toRes(%sLegacyRes legacyRes);
+                }
+                """.formatted(
+                    BASE_PACKAGE, shortName,
+                    BASE_PACKAGE, baseName,
+                    BASE_PACKAGE, baseName,
+                    BASE_PACKAGE, shortName, baseName,
+                    BASE_PACKAGE, shortName, baseName,
+                    BASE_PACKAGE, shortName, baseName, author, createDate, createDate, author,
+                    baseName, baseName, baseName, baseName, baseName, baseName
+                );
+            Files.writeString(converterDir.resolve(baseName + "LegacyConverter.java"), converterContent);
+        }
+
+        '''
+
+log_block_start = content.find('log.append("\\n=========================================\\n");')
+log_block_end = content.find('return log.toString();')
+
+new_log_block = '''log.append("\\n=========================================\\n");
+        log.append(" Scaffolding Complete! (Routing: " + routingType + ")\\n");
+        log.append("=========================================\\n");
+        log.append("[Service] ").append(serviceDir.resolve(baseName + "Service.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");
+        
+        if (!isMci) {
+            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("[Legacy Converter] ").append(converterDir.resolve(baseName + "LegacyConverter.java")).append("\\n");
+        }
+        log.append("\\n Tip: ").append(interfaceId).append(" 목업 데이터를 mock-responses.json에 추가하세요.\\n");
+        
+        '''
+
+content = content[:part1_start] + new_block + new_log_block + content[log_block_end:]
+
+with open(FILE_PATH, 'w', encoding='utf-8') as f:
+    f.write(content)
+
+print("ToolScaffolder.java patched successfully.")