diff --git a/internal/ai/runtime/internal/impl/factory/tool_factory.go b/internal/ai/runtime/internal/impl/factory/tool_factory.go
index ad5d76d..82c5fed 100644
--- a/internal/ai/runtime/internal/impl/factory/tool_factory.go
+++ b/internal/ai/runtime/internal/impl/factory/tool_factory.go
@@ -2,13 +2,12 @@ package factory
 
 import (
 	"context"
-	"encoding/json"
 	"strings"
 
 	"cs-agent/internal/ai/mcps"
 	impladapter "cs-agent/internal/ai/runtime/internal/impl/adapter"
 	"cs-agent/internal/models"
-	"cs-agent/internal/pkg/dto/request"
+	"cs-agent/internal/pkg/toolx"
 
 	einotool "github.com/cloudwego/eino/components/tool"
 )
@@ -23,13 +22,16 @@ func (f *ToolFactory) BuildMCPTools(aiAgent *models.AIAgent) ([]impladapter.MCPT
 	if aiAgent == nil || strings.TrimSpace(aiAgent.AllowedMCPTools) == "" {
 		return nil, nil
 	}
-	var raw []request.AIAgentMCPToolRequest
-	if err := json.Unmarshal([]byte(aiAgent.AllowedMCPTools), &raw); err != nil {
+	raw, err := toolx.ParseAgentMCPToolsJSON(aiAgent.AllowedMCPTools)
+	if err != nil {
 		return nil, err
 	}
 	ret := make([]impladapter.MCPToolDefinition, 0, len(raw))
 	for _, item := range raw {
-		toolCode := strings.TrimSpace(item.ServerCode) + "/" + strings.TrimSpace(item.ToolName)
+		toolCode := strings.TrimSpace(item.ToolCode)
+		if toolCode == "" {
+			toolCode = toolx.BuildMCPToolCode(item.ServerCode, item.ToolName)
+		}
 		definition := impladapter.MCPToolDefinition{
 			ToolCode:    toolCode,
 			ServerCode:  strings.TrimSpace(item.ServerCode),
@@ -80,7 +82,7 @@ func (f *ToolFactory) loadToolMetadata(ctx context.Context, definitions []implad
 		}
 		for i := range toolInfos {
 			toolInfo := toolInfos[i]
-			toolCode := strings.TrimSpace(serverCode) + "/" + strings.TrimSpace(toolInfo.Name)
+			toolCode := toolx.BuildMCPToolCode(serverCode, toolInfo.Name)
 			toolInfoCopy := toolInfo
 			toolsByCode[toolCode] = &toolInfoCopy
 		}
diff --git a/internal/controllers/console/ai_agent_controller.go b/internal/controllers/console/ai_agent_controller.go
index 35b3b22..1be2b9d 100644
--- a/internal/controllers/console/ai_agent_controller.go
+++ b/internal/controllers/console/ai_agent_controller.go
@@ -8,6 +8,7 @@ import (
 	"cs-agent/internal/pkg/dto/request"
 	"cs-agent/internal/pkg/dto/response"
 	"cs-agent/internal/pkg/enums"
+	"cs-agent/internal/pkg/toolx"
 	"cs-agent/internal/pkg/utils"
 	"cs-agent/internal/services"
 
@@ -117,15 +118,15 @@ func buildAIAgentResponse(item *models.AIAgent) response.AIAgentResponse {
 		StatusName:          enums.GetStatusLabel(item.Status),
 		AIConfigID:          item.AIConfigID,
 		ServiceMode:         item.ServiceMode,
-		ServiceModeName:     enums.GetIMConversationServiceModeLabel(enums.IMConversationServiceMode(item.ServiceMode)),
+		ServiceModeName:     enums.GetIMConversationServiceModeLabel(item.ServiceMode),
 		SystemPrompt:        item.SystemPrompt,
 		WelcomeMessage:      item.WelcomeMessage,
 		ReplyTimeoutSeconds: item.ReplyTimeoutSeconds,
 		HandoffMode:         item.HandoffMode,
-		HandoffModeName:     enums.GetAIAgentHandoffModeLabel(enums.AIAgentHandoffMode(item.HandoffMode)),
+		HandoffModeName:     enums.GetAIAgentHandoffModeLabel(item.HandoffMode),
 		MaxAIReplyRounds:    item.MaxAIReplyRounds,
 		FallbackMode:        item.FallbackMode,
-		FallbackModeName:    enums.GetAIAgentFallbackModeLabel(enums.AIAgentFallbackMode(item.FallbackMode)),
+		FallbackModeName:    enums.GetAIAgentFallbackModeLabel(item.FallbackMode),
 		FallbackMessage:     item.FallbackMessage,
 		KnowledgeIDs:        utils.SplitInt64s(item.KnowledgeIDs),
 		SkillIDs:            utils.SplitInt64s(item.SkillIDs),
@@ -169,7 +170,12 @@ func buildAIAgentResponse(item *models.AIAgent) response.AIAgentResponse {
 		var directTools []request.AIAgentMCPToolRequest
 		if err := json.Unmarshal([]byte(raw), &directTools); err == nil {
 			for _, tool := range directTools {
+				toolCode := strings.TrimSpace(tool.ToolCode)
+				if toolCode == "" {
+					toolCode = toolx.BuildMCPToolCode(tool.ServerCode, tool.ToolName)
+				}
 				ret.DirectTools = append(ret.DirectTools, response.AIAgentMCPToolResponse{
+					ToolCode:    toolCode,
 					ServerCode:  strings.TrimSpace(tool.ServerCode),
 					ToolName:    strings.TrimSpace(tool.ToolName),
 					Title:       strings.TrimSpace(tool.Title),
diff --git a/internal/pkg/dto/request/ai_request.go b/internal/pkg/dto/request/ai_request.go
index c6ffe4c..8538179 100644
--- a/internal/pkg/dto/request/ai_request.go
+++ b/internal/pkg/dto/request/ai_request.go
@@ -3,6 +3,7 @@ package request
 import "cs-agent/internal/pkg/enums"
 
 type AIAgentMCPToolRequest struct {
+	ToolCode    string            `json:"toolCode"`
 	ServerCode  string            `json:"serverCode"`
 	ToolName    string            `json:"toolName"`
 	Title       string            `json:"title"`
diff --git a/internal/pkg/dto/response/ai_response.go b/internal/pkg/dto/response/ai_response.go
index 2e97385..4d82516 100644
--- a/internal/pkg/dto/response/ai_response.go
+++ b/internal/pkg/dto/response/ai_response.go
@@ -17,6 +17,7 @@ type AIAgentSkillResponse struct {
 }
 
 type AIAgentMCPToolResponse struct {
+	ToolCode    string            `json:"toolCode"`
 	ServerCode  string            `json:"serverCode"`
 	ToolName    string            `json:"toolName"`
 	Title       string            `json:"title"`
diff --git a/internal/pkg/toolx/mcp_tool.go b/internal/pkg/toolx/mcp_tool.go
new file mode 100644
index 0000000..1742a1c
--- /dev/null
+++ b/internal/pkg/toolx/mcp_tool.go
@@ -0,0 +1,86 @@
+package toolx
+
+import (
+	"encoding/json"
+	"strings"
+
+	"cs-agent/internal/pkg/dto/request"
+	"cs-agent/internal/pkg/errorsx"
+)
+
+func BuildMCPToolCode(serverCode, toolName string) string {
+	serverCode = strings.TrimSpace(serverCode)
+	toolName = strings.TrimSpace(toolName)
+	if serverCode == "" || toolName == "" {
+		return ""
+	}
+	return serverCode + "/" + toolName
+}
+
+func SplitMCPToolCode(toolCode string) (string, string) {
+	toolCode = strings.TrimSpace(toolCode)
+	if toolCode == "" {
+		return "", ""
+	}
+	idx := strings.Index(toolCode, "/")
+	if idx <= 0 || idx >= len(toolCode)-1 {
+		return "", ""
+	}
+	return strings.TrimSpace(toolCode[:idx]), strings.TrimSpace(toolCode[idx+1:])
+}
+
+func NormalizeMCPToolRequest(item request.AIAgentMCPToolRequest) (request.AIAgentMCPToolRequest, error) {
+	toolCode := strings.TrimSpace(item.ToolCode)
+	serverCode := strings.TrimSpace(item.ServerCode)
+	toolName := strings.TrimSpace(item.ToolName)
+	if toolCode != "" {
+		parsedServerCode, parsedToolName := SplitMCPToolCode(toolCode)
+		if parsedServerCode == "" || parsedToolName == "" {
+			return request.AIAgentMCPToolRequest{}, errorsx.InvalidParam("Direct Tool 的 toolCode 格式不合法")
+		}
+		if serverCode != "" && !strings.EqualFold(serverCode, parsedServerCode) {
+			return request.AIAgentMCPToolRequest{}, errorsx.InvalidParam("Direct Tool 的 toolCode 与 serverCode 不一致")
+		}
+		if toolName != "" && !strings.EqualFold(toolName, parsedToolName) {
+			return request.AIAgentMCPToolRequest{}, errorsx.InvalidParam("Direct Tool 的 toolCode 与 toolName 不一致")
+		}
+		serverCode = parsedServerCode
+		toolName = parsedToolName
+	} else {
+		toolCode = BuildMCPToolCode(serverCode, toolName)
+	}
+	if toolCode == "" || serverCode == "" || toolName == "" {
+		return request.AIAgentMCPToolRequest{}, errorsx.InvalidParam("Direct Tool 的 toolCode、serverCode 和 toolName 不能为空")
+	}
+	ret := request.AIAgentMCPToolRequest{
+		ToolCode:    toolCode,
+		ServerCode:  serverCode,
+		ToolName:    toolName,
+		Title:       strings.TrimSpace(item.Title),
+		Description: strings.TrimSpace(item.Description),
+	}
+	if len(item.Arguments) > 0 {
+		ret.Arguments = make(map[string]string, len(item.Arguments))
+		for key, value := range item.Arguments {
+			key = strings.TrimSpace(key)
+			value = strings.TrimSpace(value)
+			if key == "" || value == "" {
+				continue
+			}
+			ret.Arguments[key] = value
+		}
+	}
+	return ret, nil
+}
+
+func ParseAgentMCPToolsJSON(raw string) ([]request.AIAgentMCPToolRequest, error) {
+	raw = strings.TrimSpace(raw)
+	if raw == "" {
+		return nil, nil
+	}
+	var ret []request.AIAgentMCPToolRequest
+	if err := json.Unmarshal([]byte(raw), &ret); err != nil {
+		return nil, err
+	}
+	return ret, nil
+}
diff --git a/internal/services/ai_agent_service.go b/internal/services/ai_agent_service.go
index 231fc58..f5bddc0 100644
--- a/internal/services/ai_agent_service.go
+++ b/internal/services/ai_agent_service.go
@@ -12,6 +12,7 @@ import (
 	"cs-agent/internal/pkg/dto/request"
 	"cs-agent/internal/pkg/enums"
 	"cs-agent/internal/pkg/errorsx"
+	"cs-agent/internal/pkg/toolx"
 	"cs-agent/internal/pkg/utils"
 	"cs-agent/internal/repositories"
 
@@ -294,37 +295,20 @@ func (s *aIAgentService) normalizeDirectTools(input []request.AIAgentMCPToolRequ
 	ret := make([]request.AIAgentMCPToolRequest, 0, len(input))
 	seen := make(map[string]struct{})
 	for _, item := range input {
-		serverCode := strings.TrimSpace(item.ServerCode)
-		toolName := strings.TrimSpace(item.ToolName)
-		if serverCode == "" || toolName == "" {
-			return nil, errorsx.InvalidParam("Direct Tool 的 serverCode 和 toolName 不能为空")
+		normalized, err := toolx.NormalizeMCPToolRequest(item)
+		if err != nil {
+			return nil, err
 		}
+		serverCode := strings.TrimSpace(normalized.ServerCode)
 		server, ok := cfg.MCP.Servers[serverCode]
 		if !ok || !server.Enabled {
 			return nil, errorsx.InvalidParam("Direct Tool 绑定的 MCP 服务不存在或未启用")
 		}
-		key := serverCode + "/" + toolName
+		key := strings.TrimSpace(normalized.ToolCode)
 		if _, exists := seen[key]; exists {
 			continue
 		}
 		seen[key] = struct{}{}
-		normalized := request.AIAgentMCPToolRequest{
-			ServerCode:  serverCode,
-			ToolName:    toolName,
-			Title:       strings.TrimSpace(item.Title),
-			Description: strings.TrimSpace(item.Description),
-		}
-		if len(item.Arguments) > 0 {
-			normalized.Arguments = make(map[string]string, len(item.Arguments))
-			for key, value := range item.Arguments {
-				key = strings.TrimSpace(key)
-				value = strings.TrimSpace(value)
-				if key == "" || value == "" {
-					continue
-				}
-				normalized.Arguments[key] = value
-			}
-		}
 		ret = append(ret, normalized)
 	}
 	return ret, nil