diff --git a/internal/ai/tooling/registry_test.go b/internal/ai/tooling/registry_test.go
index 5bd4b19..fa4c226 100644
--- a/internal/ai/tooling/registry_test.go
+++ b/internal/ai/tooling/registry_test.go
@@ -61,7 +61,7 @@ func TestRegistryIncludesAllTicketDraftToolInputs(t *testing.T) {
 	}
 }
 
-func TestRegistryTreatsAdministratorSelectedMCPToolsAsDirectTools(t *testing.T) {
+func TestRegistryTreatsAdministratorSelectedMCPToolsAsAllowedTools(t *testing.T) {
 	definition, err := DefaultRegistry.Resolve("knowledge/search")
 	if err != nil {
 		t.Fatalf("Resolve returned error: %v", err)
diff --git a/internal/handlers/dashboard/ai_agent_handler.go b/internal/handlers/dashboard/ai_agent_handler.go
index fb5091a..39ee45a 100644
--- a/internal/handlers/dashboard/ai_agent_handler.go
+++ b/internal/handlers/dashboard/ai_agent_handler.go
@@ -270,7 +270,7 @@ func buildAIAgentResponseWithLocale(item *models.AIAgent, locale string) respons
 		SkillIDs:               utils.SplitInt64s(item.SkillIDs),
 		Skills:                 make([]response.AIAgentSkillResponse, 0),
 		Teams:                  make([]response.AIAgentTeamResponse, 0),
-		DirectTools:            make([]response.AIAgentMCPToolResponse, 0),
+		MCPTools:               make([]response.AIAgentMCPToolResponse, 0),
 		WorkflowBindings:       make([]response.AIAgentWorkflowBindingResponse, 0),
 		WorkflowVersionID:      item.WorkflowVersionID,
 		PublishedRevisionID:    item.PublishedRevisionID,
@@ -303,18 +303,15 @@ func buildAIAgentResponseWithLocale(item *models.AIAgent, locale string) respons
 		}
 	}
 	if raw := strings.TrimSpace(item.AllowedMCPTools); raw != "" {
-		var directTools []request.AIAgentMCPToolRequest
-		if err := json.Unmarshal([]byte(raw), &directTools); err == nil {
-			for _, tool := range directTools {
+		var mcpTools []request.AIAgentMCPToolRequest
+		if err := json.Unmarshal([]byte(raw), &mcpTools); err == nil {
+			for _, tool := range mcpTools {
 				toolCode := strings.TrimSpace(tool.ToolCode)
 				if toolCode == "" {
 					toolCode = toolx.BuildMCPToolCode(tool.ServerCode, tool.ToolName)
 				}
 				toolCode = toolx.NormalizeToolCodeAlias(toolCode)
-				if toolx.IsAutoInjectedToolCode(toolCode) {
-					continue
-				}
-				if toolx.IsAgentDirectGraphToolCode(toolCode) {
+				if toolx.ResolveToolSourceType(toolCode) != enums.ToolSourceTypeMCP {
 					continue
 				}
 				serverCode := strings.TrimSpace(tool.ServerCode)
@@ -338,7 +335,7 @@ func buildAIAgentResponseWithLocale(item *models.AIAgent, locale string) respons
 						description = registeredDescription
 					}
 				}
-				ret.DirectTools = append(ret.DirectTools, response.AIAgentMCPToolResponse{
+				ret.MCPTools = append(ret.MCPTools, response.AIAgentMCPToolResponse{
 					ToolCode:    toolCode,
 					ServerCode:  serverCode,
 					ToolName:    toolName,
diff --git a/internal/models/models.go b/internal/models/models.go
index 63806a8..b296d87 100644
--- a/internal/models/models.go
+++ b/internal/models/models.go
@@ -552,7 +552,7 @@ type AIAgent struct {
 	FallbackMessage        string                          `gorm:"type:text"`                                          // FallbackMessage 为知识不足回复文案。
 	KnowledgeIDs           string                          `gorm:"type:varchar(500);not null;default:''"`              // KnowledgeIDs 为绑定的知识库ID列表，按顺序表示优先级。
 	SkillIDs               string                          `gorm:"type:varchar(500);not null;default:''"`              // SkillIDs 为绑定的技能ID列表，按顺序表示允许路由的范围。
-	AllowedMCPTools        string                          `gorm:"type:text"`                                          // AllowedMCPTools 为允许 direct tool 路由的 MCP 工具白名单配置JSON。
+	AllowedMCPTools        string                          `gorm:"type:text"`                                          // AllowedMCPTools 为 Agent 允许调用的 MCP 工具白名单配置 JSON。
 	WorkflowVersionID      int64                           `gorm:"type:bigint;not null;default:0;index"`               // WorkflowVersionID is retained as the single-workflow runtime pointer.
 	PublishedRevisionID    int64                           `gorm:"type:bigint;not null;default:0;index"`               // PublishedRevisionID 为当前已发布 Agent 配置快照ID。
 	SortNo                 int                             `gorm:"type:int;not null;default:0;index"`                  // SortNo 为后台展示排序号。
diff --git a/internal/pkg/dto/request/ai_request.go b/internal/pkg/dto/request/ai_request.go
index 33ee715..4a9d7f5 100644
--- a/internal/pkg/dto/request/ai_request.go
+++ b/internal/pkg/dto/request/ai_request.go
@@ -70,7 +70,7 @@ type CreateAIAgentRequest struct {
 	FallbackMessage     string                          `json:"fallbackMessage"`
 	KnowledgeBaseIDs    []int64                         `json:"knowledgeBaseIds"`
 	SkillIDs            []int64                         `json:"skillIds"`
-	DirectTools         []AIAgentMCPToolRequest         `json:"directTools"`
+	MCPTools            []AIAgentMCPToolRequest         `json:"mcpTools"`
 	WorkflowBindings    []AIAgentWorkflowBindingRequest `json:"workflowBindings"`
 }
 
diff --git a/internal/pkg/dto/response/ai_response.go b/internal/pkg/dto/response/ai_response.go
index 97c8db2..8497f27 100644
--- a/internal/pkg/dto/response/ai_response.go
+++ b/internal/pkg/dto/response/ai_response.go
@@ -120,7 +120,7 @@ type AIAgentResponse struct {
 	KnowledgeBaseIDs       []int64                          `json:"knowledgeBaseIds"`
 	SkillIDs               []int64                          `json:"skillIds"`
 	Skills                 []AIAgentSkillResponse           `json:"skills"`
-	DirectTools            []AIAgentMCPToolResponse         `json:"directTools"`
+	MCPTools               []AIAgentMCPToolResponse         `json:"mcpTools"`
 	WorkflowBindings       []AIAgentWorkflowBindingResponse `json:"workflowBindings"`
 	WorkflowVersionID      int64                            `json:"workflowVersionId"`
 	PublishedRevisionID    int64                            `json:"publishedRevisionId"`
diff --git a/internal/pkg/i18nx/locales/en-US.yml b/internal/pkg/i18nx/locales/en-US.yml
index 740399f..515172f 100644
--- a/internal/pkg/i18nx/locales/en-US.yml
+++ b/internal/pkg/i18nx/locales/en-US.yml
@@ -12,12 +12,12 @@ error.e0011: "The AI configuration is not enabled."
 error.e0012: "AI configuration not found."
 error.e0014: "Checkpoint not found."
 error.e0015: "The checkpoint does not belong to this AI Agent."
-error.e0016: "Direct Tool toolCode does not match serverCode."
-error.e0017: "Direct Tool toolCode does not match toolName."
-error.e0018: "Invalid Direct Tool toolCode format."
-error.e0019: "Direct Tool toolCode, serverCode, and toolName are required."
-error.e0020: "Direct Tools can only contain MCP tools."
-error.e0021: "Invalid Direct Tools configuration format."
+error.e0016: "MCP Tool toolCode does not match serverCode."
+error.e0017: "MCP Tool toolCode does not match toolName."
+error.e0018: "Invalid MCP Tool toolCode format."
+error.e0019: "MCP Tool toolCode, serverCode, and toolName are required."
+error.e0020: "Only MCP Tools can be configured."
+error.e0021: "Invalid MCP Tool configuration."
 error.e0022: "The Excel file is empty."
 error.e0023: "Failed to parse the Excel file."
 error.e0024: "Failed to read the Excel file."
diff --git a/internal/pkg/i18nx/locales/zh-CN.yml b/internal/pkg/i18nx/locales/zh-CN.yml
index f4d3cc2..446f006 100644
--- a/internal/pkg/i18nx/locales/zh-CN.yml
+++ b/internal/pkg/i18nx/locales/zh-CN.yml
@@ -12,12 +12,12 @@ error.e0011: "AI 配置未启用"
 error.e0012: "AI配置不存在"
 error.e0014: "CheckPoint 不存在"
 error.e0015: "CheckPoint 与 AI Agent 不匹配"
-error.e0016: "Direct Tool 的 toolCode 与 serverCode 不一致"
-error.e0017: "Direct Tool 的 toolCode 与 toolName 不一致"
-error.e0018: "Direct Tool 的 toolCode 格式不合法"
-error.e0019: "Direct Tool 的 toolCode、serverCode 和 toolName 不能为空"
-error.e0020: "Direct Tools 仅允许配置 MCP 工具"
-error.e0021: "Direct Tools 配置格式不合法"
+error.e0016: "MCP Tool 的 toolCode 与 serverCode 不一致"
+error.e0017: "MCP Tool 的 toolCode 与 toolName 不一致"
+error.e0018: "MCP Tool 的 toolCode 格式不合法"
+error.e0019: "MCP Tool 的 toolCode、serverCode 和 toolName 不能为空"
+error.e0020: "仅允许配置 MCP Tool"
+error.e0021: "MCP Tool 配置格式不合法"
 error.e0022: "Excel文件为空"
 error.e0023: "Excel文件解析失败"
 error.e0024: "Excel文件读取失败"
diff --git a/internal/services/ai_agent_service.go b/internal/services/ai_agent_service.go
index 484565d..771ffac 100644
--- a/internal/services/ai_agent_service.go
+++ b/internal/services/ai_agent_service.go
@@ -238,17 +238,17 @@ func (s *aIAgentService) validatePublishableAgent(db *gorm.DB, agent *models.AIA
 	if strings.TrimSpace(agent.AllowedMCPTools) == "" {
 		return nil
 	}
-	var directTools []request.AIAgentMCPToolRequest
-	if err := json.Unmarshal([]byte(agent.AllowedMCPTools), &directTools); err != nil {
-		return errorsx.InvalidParam("ai agent direct tools are invalid")
+	var mcpTools []request.AIAgentMCPToolRequest
+	if err := json.Unmarshal([]byte(agent.AllowedMCPTools), &mcpTools); err != nil {
+		return errorsx.InvalidParam("ai agent MCP tools are invalid")
 	}
-	for _, item := range directTools {
+	for _, item := range mcpTools {
 		definition, err := aitooling.DefaultRegistry.Resolve(item.ToolCode)
 		if err != nil || definition.InputSchema == nil {
-			return errorsx.InvalidParam("ai agent direct tool definition is unavailable")
+			return errorsx.InvalidParam("ai agent MCP tool definition is unavailable")
 		}
 		if definition.RequireConfirmation {
-			return errorsx.InvalidParam("ai agent direct tool requires confirmation and cannot be executed directly")
+			return errorsx.InvalidParam("ai agent MCP tool requires confirmation and cannot be executed directly")
 		}
 	}
 	return nil
@@ -392,17 +392,17 @@ func (s *aIAgentService) buildAIAgentModel(id int64, req request.CreateAIAgentRe
 	if err != nil {
 		return nil, err
 	}
-	directTools, err := s.normalizeDirectTools(req.DirectTools)
+	mcpTools, err := s.normalizeMCPTools(req.MCPTools)
 	if err != nil {
 		return nil, err
 	}
-	directToolsJSON := ""
-	if len(directTools) > 0 {
-		buf, marshalErr := json.Marshal(directTools)
+	mcpToolsJSON := ""
+	if len(mcpTools) > 0 {
+		buf, marshalErr := json.Marshal(mcpTools)
 		if marshalErr != nil {
 			return nil, errorsx.InvalidParamI18n("error.e0021")
 		}
-		directToolsJSON = string(buf)
+		mcpToolsJSON = string(buf)
 	}
 	return &models.AIAgent{
 		Name:                name,
@@ -424,7 +424,7 @@ func (s *aIAgentService) buildAIAgentModel(id int64, req request.CreateAIAgentRe
 		FallbackMessage:     strings.TrimSpace(req.FallbackMessage),
 		KnowledgeIDs:        utils.JoinInt64s(knowledgeBaseIDs),
 		SkillIDs:            utils.JoinInt64s(skillIDs),
-		AllowedMCPTools:     directToolsJSON,
+		AllowedMCPTools:     mcpToolsJSON,
 	}, nil
 }
 
@@ -541,7 +541,7 @@ func (s *aIAgentService) normalizeSkillIDs(input []int64) ([]int64, error) {
 	return ret, nil
 }
 
-func (s *aIAgentService) normalizeDirectTools(input []request.AIAgentMCPToolRequest) ([]request.AIAgentMCPToolRequest, error) {
+func (s *aIAgentService) normalizeMCPTools(input []request.AIAgentMCPToolRequest) ([]request.AIAgentMCPToolRequest, error) {
 	if len(input) == 0 {
 		return nil, nil
 	}
@@ -552,20 +552,11 @@ func (s *aIAgentService) normalizeDirectTools(input []request.AIAgentMCPToolRequ
 		if err != nil {
 			return nil, err
 		}
-		if toolx.IsAutoInjectedToolCode(strings.TrimSpace(normalized.ToolCode)) {
-			continue
+		if toolx.ResolveToolSourceType(normalized.ToolCode) != enums.ToolSourceTypeMCP {
+			return nil, errorsx.InvalidParamI18n("error.e0020")
 		}
-		if spec, registered := toolx.GetRegisteredToolSpec(normalized.ToolCode); registered {
-			if !spec.DirectAccess || spec.AutoInjected || (spec.Code != toolx.BuiltinConversationContext.Code && spec.Code != toolx.BuiltinKnowledgeRetrieve.Code && spec.Code != toolx.GraphTriageServiceRequest.Code && spec.Code != toolx.GraphAnalyzeConversation.Code && spec.Code != toolx.GraphPrepareTicketDraft.Code) {
-				return nil, errorsx.InvalidParamI18n("error.e0020")
-			}
-		} else {
-			if toolx.ResolveToolSourceType(normalized.ToolCode) != enums.ToolSourceTypeMCP {
-				return nil, errorsx.InvalidParamI18n("error.e0020")
-			}
-			if err := ToolCatalogService.ValidateToolCode(normalized.ToolCode); err != nil {
-				return nil, err
-			}
+		if err := ToolCatalogService.ValidateToolCode(normalized.ToolCode); err != nil {
+			return nil, err
 		}
 		key := strings.TrimSpace(normalized.ToolCode)
 		if _, exists := seen[key]; exists {
diff --git a/internal/services/ai_agent_workflow_service_test.go b/internal/services/ai_agent_workflow_service_test.go
index faac605..a20c783 100644
--- a/internal/services/ai_agent_workflow_service_test.go
+++ b/internal/services/ai_agent_workflow_service_test.go
@@ -203,32 +203,18 @@ func TestAIAgentServiceNormalizesToolPolicy(t *testing.T) {
 	}
 }
 
-func TestAIAgentServiceAllowsRegisteredReadDirectTool(t *testing.T) {
-	tools, err := AIAgentService.normalizeDirectTools([]request.AIAgentMCPToolRequest{{ToolCode: toolx.BuiltinConversationContext.Code}})
-	if err != nil {
-		t.Fatalf("normalizeDirectTools: %v", err)
-	}
-	if len(tools) != 1 || tools[0].ToolCode != toolx.BuiltinConversationContext.Code {
-		t.Fatalf("unexpected normalized direct tools: %#v", tools)
-	}
-	tools, err = AIAgentService.normalizeDirectTools([]request.AIAgentMCPToolRequest{{ToolCode: toolx.BuiltinKnowledgeRetrieve.Code}})
-	if err != nil || len(tools) != 1 || tools[0].ToolCode != toolx.BuiltinKnowledgeRetrieve.Code {
-		t.Fatalf("expected registered knowledge retrieve tool to be allowed, tools=%#v err=%v", tools, err)
-	}
-	tools, err = AIAgentService.normalizeDirectTools([]request.AIAgentMCPToolRequest{{ToolCode: toolx.GraphPrepareTicketDraft.Code}})
-	if err != nil || len(tools) != 1 || tools[0].ToolCode != toolx.GraphPrepareTicketDraft.Code {
-		t.Fatalf("expected registered ticket draft tool to be allowed, tools=%#v err=%v", tools, err)
-	}
-	tools, err = AIAgentService.normalizeDirectTools([]request.AIAgentMCPToolRequest{{ToolCode: toolx.GraphAnalyzeConversation.Code}})
-	if err != nil || len(tools) != 1 || tools[0].ToolCode != toolx.GraphAnalyzeConversation.Code {
-		t.Fatalf("expected registered conversation analysis tool to be allowed, tools=%#v err=%v", tools, err)
-	}
-	tools, err = AIAgentService.normalizeDirectTools([]request.AIAgentMCPToolRequest{{ToolCode: toolx.GraphTriageServiceRequest.Code}})
-	if err != nil || len(tools) != 1 || tools[0].ToolCode != toolx.GraphTriageServiceRequest.Code {
-		t.Fatalf("expected registered service triage tool to be allowed, tools=%#v err=%v", tools, err)
-	}
-	if _, err := AIAgentService.normalizeDirectTools([]request.AIAgentMCPToolRequest{{ToolCode: toolx.GraphHandoffConversation.Code}}); err == nil {
-		t.Fatal("expected unsupported graph direct tool to be rejected")
+func TestAIAgentServiceRejectsNonMCPToolSelection(t *testing.T) {
+	for _, toolCode := range []string{
+		toolx.BuiltinConversationContext.Code,
+		toolx.BuiltinKnowledgeRetrieve.Code,
+		toolx.GraphPrepareTicketDraft.Code,
+		toolx.GraphAnalyzeConversation.Code,
+		toolx.GraphTriageServiceRequest.Code,
+		toolx.GraphHandoffConversation.Code,
+	} {
+		if _, err := AIAgentService.normalizeMCPTools([]request.AIAgentMCPToolRequest{{ToolCode: toolCode}}); err == nil {
+			t.Fatalf("expected non-MCP tool %q to be rejected", toolCode)
+		}
 	}
 }
 
@@ -350,7 +336,7 @@ func TestAIAgentServiceAllowsPublishWithAdministratorSelectedMCPTool(t *testing.
 		t.Fatalf("CreateAIAgent() error = %v", err)
 	}
 	if err := sqls.DB().Model(&models.AIAgent{}).Where("id = ?", agent.ID).Update("allowed_mcp_tools", `[{"toolCode":"mcp/demo/write_order"}]`).Error; err != nil {
-		t.Fatalf("set direct tool: %v", err)
+		t.Fatalf("set MCP tool: %v", err)
 	}
 	if _, err := AIAgentService.PublishAIAgent(agent.ID, operator); err != nil {
 		t.Fatalf("expected administrator-selected MCP tool to be publishable, got %v", err)
diff --git a/web/app/dashboard/ai-agents/_components/config-workbench.tsx b/web/app/dashboard/ai-agents/_components/config-workbench.tsx
index 87f7a69..647983c 100644
--- a/web/app/dashboard/ai-agents/_components/config-workbench.tsx
+++ b/web/app/dashboard/ai-agents/_components/config-workbench.tsx
@@ -63,15 +63,15 @@ import { cn } from "@/lib/utils"
 
 type RuntimeMode = "workflow" | "autonomous" | "hybrid"
 type SectionKey = "setup" | "persona" | "capability" | "service"
-type DirectToolItem = CreateAIAgentPayload["directTools"][number]
+type MCPToolItem = CreateAIAgentPayload["mcpTools"][number]
 
-type DirectToolOption = {
+type MCPToolOption = {
   value: string
   label: string
   group: string
   subtitle: string
   description?: string
-  meta: DirectToolItem
+  meta: MCPToolItem
 }
 
 const runtimeModes: {
@@ -142,7 +142,7 @@ export function AIAgentConfigWorkbench({
   const [selectedTeamIds, setSelectedTeamIds] = useState<number[]>([])
   const [selectedSkillIds, setSelectedSkillIds] = useState<number[]>([])
   const [selectedKnowledgeBaseIds, setSelectedKnowledgeBaseIds] = useState<number[]>([])
-  const [directTools, setDirectTools] = useState<DirectToolItem[]>([])
+  const [mcpTools, setMCPTools] = useState<MCPToolItem[]>([])
   const [workflowBindings, setWorkflowBindings] = useState<AIAgentWorkflowBindingInput[]>([])
 
   const [aiConfigs, setAIConfigs] = useState<AIConfig[]>([])
@@ -197,7 +197,7 @@ export function AIAgentConfigWorkbench({
         setSelectedTeamIds([])
         setSelectedSkillIds([])
         setSelectedKnowledgeBaseIds([])
-        setDirectTools([])
+        setMCPTools([])
         setWorkflowBindings([])
         return
       }
@@ -226,7 +226,7 @@ export function AIAgentConfigWorkbench({
       setSelectedTeamIds((detail.teams ?? []).map((team) => team.id))
       setSelectedSkillIds(detail.skillIds ?? [])
       setSelectedKnowledgeBaseIds(detail.knowledgeBaseIds ?? [])
-      setDirectTools(detail.directTools ?? [])
+      setMCPTools(detail.mcpTools ?? [])
       setWorkflowBindings(
         (detail.workflowBindings ?? []).map(
           ({ workflowVersionId, toolName, triggerInstruction, priority, enabled }) => ({
@@ -299,20 +299,14 @@ export function AIAgentConfigWorkbench({
     () => knowledgeBases.map((item) => ({ value: String(item.id), label: item.name })),
     [knowledgeBases],
   )
-  const directToolOptions = useMemo<DirectToolOption[]>(
+  const mcpToolOptions = useMemo<MCPToolOption[]>(
     () =>
       toolCatalog
-        .filter(
-          (tool) =>
-            !tool.autoInjected &&
-            (tool.sourceType === "mcp" ||
-              tool.toolCode === "builtin/conversation_context" ||
-              tool.toolCode === "graph/prepare_ticket_draft"),
-        )
+        .filter((tool) => !tool.autoInjected && tool.sourceType === "mcp")
         .map((tool) => ({
           value: tool.toolCode,
           label: tool.title || tool.toolName,
-          group: tool.sourceType === "builtin" ? "内置工具" : tool.serverCode,
+          group: tool.serverCode,
           subtitle: tool.toolCode,
           description: tool.description || undefined,
           meta: {
@@ -348,10 +342,10 @@ export function AIAgentConfigWorkbench({
     setNext([...current, id])
   }
 
-  function setDirectToolSelection(values: string[]) {
-    setDirectTools(
+  function setMCPToolSelection(values: string[]) {
+    setMCPTools(
       values.flatMap((value) => {
-        const option = directToolOptions.find((item) => item.value === value)
+        const option = mcpToolOptions.find((item) => item.value === value)
         return option ? [option.meta] : []
       }),
     )
@@ -430,7 +424,7 @@ export function AIAgentConfigWorkbench({
       fallbackMessage: fallbackMessage.trim(),
       knowledgeBaseIds: uniqueNumbers(selectedKnowledgeBaseIds),
       skillIds: uniqueNumbers(selectedSkillIds),
-      directTools,
+      mcpTools,
       workflowBindings,
     }
   }
@@ -775,16 +769,16 @@ export function AIAgentConfigWorkbench({
                 </FormSection>
 
                 <FormSection
-                  title="Direct Tool"
-                  description="从工具分组中选择 Agent 可以直接调用的工具。"
+                  title="MCP Tool"
+                  description="选择允许 Agent 调用的 MCP Tool，选项与 MCP Tool 管理中的可用工具保持一致。"
                 >
                   <OptionCombobox
                     multiple
-                    values={directTools.map((tool) => tool.toolCode)}
-                    options={directToolOptions}
-                    placeholder="选择 Direct Tool"
-                    emptyText="没有可用 Direct Tool"
-                    onValuesChange={setDirectToolSelection}
+                    values={mcpTools.map((tool) => tool.toolCode)}
+                    options={mcpToolOptions}
+                    placeholder="选择 MCP Tool"
+                    emptyText="没有可用 MCP Tool"
+                    onValuesChange={setMCPToolSelection}
                   />
                 </FormSection>
               </div>
diff --git a/web/app/dashboard/ai-agents/page.tsx b/web/app/dashboard/ai-agents/page.tsx
index b027045..5d3a5b8 100644
--- a/web/app/dashboard/ai-agents/page.tsx
+++ b/web/app/dashboard/ai-agents/page.tsx
@@ -182,23 +182,23 @@ export default function DashboardAIAgentsPage() {
         label: t("aiAgent.columnCapabilities"),
         render: (item) => {
           const skills = item.skills ?? [];
-          const directTools = item.directTools ?? [];
-          const directToolServerCodes = Array.from(
-            new Set(directTools.map((tool) => tool.serverCode).filter(Boolean)),
+          const mcpTools = item.mcpTools ?? [];
+          const mcpServerCodes = Array.from(
+            new Set(mcpTools.map((tool) => tool.serverCode).filter(Boolean)),
           );
           return (
             <div className="space-y-2">
               <div className="flex flex-wrap gap-1">
                 <Badge variant="secondary">{skills.length} Skills</Badge>
-                <Badge variant="secondary">{directTools.length} Tools</Badge>
+                <Badge variant="secondary">{mcpTools.length} MCP Tools</Badge>
               </div>
               <div className="flex flex-wrap gap-1">
-                {directToolServerCodes.length === 0 ? (
+                {mcpServerCodes.length === 0 ? (
                   <span className="text-sm text-muted-foreground">
                     {t("aiAgent.noMcpServer")}
                   </span>
                 ) : (
-                  directToolServerCodes.map((serverCode) => (
+                  mcpServerCodes.map((serverCode) => (
                     <Badge key={serverCode} variant="outline">
                       {serverCode}
                     </Badge>
diff --git a/web/lib/api/admin.ts b/web/lib/api/admin.ts
index 097cc8a..4a94835 100644
--- a/web/lib/api/admin.ts
+++ b/web/lib/api/admin.ts
@@ -241,7 +241,7 @@ export type AIAgent = {
 	knowledgeBaseIds: number[]
   skillIds: number[]
   skills: { id: number; name: string }[]
-	directTools: {
+	mcpTools: {
     toolCode: string
     serverCode: string
     toolName: string
@@ -282,7 +282,7 @@ export type CreateAIAgentPayload = {
   fallbackMessage: string
 	knowledgeBaseIds: number[]
   skillIds: number[]
-  directTools: {
+  mcpTools: {
     toolCode: string
     serverCode: string
     toolName: string
diff --git a/web/messages/en-US.json b/web/messages/en-US.json
index 9171959..0e50e23 100644
--- a/web/messages/en-US.json
+++ b/web/messages/en-US.json
@@ -1049,7 +1049,7 @@
     "loadTeamsFailed": "Could not load support teams.",
     "loadKnowledgeFailed": "Could not load knowledge bases.",
     "loadSkillsFailed": "Could not load skills.",
-    "loadDirectToolsFailed": "Could not load Direct Tools.",
+    "loadMCPToolsFailed": "Could not load MCP Tools.",
     "builtinTools": "Built-in tools",
     "ungrouped": "Ungrouped",
     "notSelected": "Not selected",
@@ -1090,7 +1090,7 @@
     "sectionCapabilities": "Capabilities",
     "knowledgeTab": "Knowledge",
     "skillsTab": "Skills",
-    "directToolsTab": "MCP tools",
+    "mcpToolsTab": "MCP Tools",
     "knowledgeHint": "Select at least one knowledge base. You can adjust priority order.",
     "selectKnowledge": "Select and add knowledge base",
     "searchKnowledge": "Search knowledge bases",
@@ -1109,15 +1109,15 @@
     "emptySkill": "No skills available",
     "noSkillsHint": "Without skills, routing only uses knowledge bases or human handoff.",
     "removeSkill": "Remove skill {name}",
-    "directToolsHint": "Use only for low-risk atomic lookups through external MCP tools.",
+    "mcpToolsHint": "Select the MCP Tools this Agent is allowed to call.",
     "selectToolGroup": "Select tool group",
     "searchToolGroup": "Search tool groups",
     "emptyToolGroup": "No tool groups available",
-    "selectDirectTool": "Select Direct Tool",
-    "searchDirectTool": "Search Direct Tools",
-    "emptyDirectTool": "No Direct Tools available",
-    "noDirectToolsHint": "Without Direct Tools, the agent will not call external or built-in tools directly. It will rely on knowledge bases, skills, and normal replies.",
-    "removeDirectTool": "Remove Direct Tool {name}"
+    "selectMCPTool": "Select MCP Tool",
+    "searchMCPTool": "Search MCP Tools",
+    "emptyMCPTool": "No MCP Tools available",
+    "noMCPToolsHint": "Without MCP Tools, the Agent will not call external MCP Tools.",
+    "removeMCPTool": "Remove MCP Tool {name}"
   },
   "aiConfig": {
     "allStatuses": "All statuses",
diff --git a/web/messages/zh-CN.json b/web/messages/zh-CN.json
index a34f305..cbe4af8 100644
--- a/web/messages/zh-CN.json
+++ b/web/messages/zh-CN.json
@@ -1049,7 +1049,7 @@
     "loadTeamsFailed": "加载客服组失败",
     "loadKnowledgeFailed": "加载知识库失败",
     "loadSkillsFailed": "加载 Skills 失败",
-    "loadDirectToolsFailed": "加载 Direct Tools 失败",
+    "loadMCPToolsFailed": "加载 MCP Tool 失败",
     "builtinTools": "内置工具",
     "ungrouped": "未分组",
     "notSelected": "未选择",
@@ -1090,7 +1090,7 @@
     "sectionCapabilities": "能力配置",
     "knowledgeTab": "知识库",
     "skillsTab": "Skills",
-    "directToolsTab": "MCP tools",
+    "mcpToolsTab": "MCP Tool",
     "knowledgeHint": "至少选择一个知识库，可调整知识库优先级。",
     "selectKnowledge": "选择并添加知识库",
     "searchKnowledge": "搜索知识库",
@@ -1109,15 +1109,15 @@
     "emptySkill": "没有可添加的 Skill",
     "noSkillsHint": "不绑定 Skill 时，自动路由只会走知识库或转人工。",
     "removeSkill": "移除 Skill {name}",
-    "directToolsHint": "仅用于外部 MCP 工具的低风险、原子化查询。",
+    "mcpToolsHint": "选择允许 Agent 调用的 MCP Tool。",
     "selectToolGroup": "选择工具分组",
     "searchToolGroup": "搜索工具分组",
     "emptyToolGroup": "没有可用的工具分组",
-    "selectDirectTool": "选择 Direct Tool",
-    "searchDirectTool": "搜索 Direct Tool",
-    "emptyDirectTool": "没有可添加的 Direct Tool",
-    "noDirectToolsHint": "不配置 Direct Tool 时，Agent 不会直接调用外部或内置工具，只会依赖知识库、Skill 和普通回复。",
-    "removeDirectTool": "移除 Direct Tool {name}"
+    "selectMCPTool": "选择 MCP Tool",
+    "searchMCPTool": "搜索 MCP Tool",
+    "emptyMCPTool": "没有可添加的 MCP Tool",
+    "noMCPToolsHint": "不配置 MCP Tool 时，Agent 不会调用外部 MCP Tool。",
+    "removeMCPTool": "移除 MCP Tool {name}"
   },
   "aiConfig": {
     "allStatuses": "全部状态",