diff --git a/internal/ai/runtime/executor/tooling.go b/internal/ai/runtime/executor/tooling.go
index 2766e9e..e3b1d14 100644
--- a/internal/ai/runtime/executor/tooling.go
+++ b/internal/ai/runtime/executor/tooling.go
@@ -4,8 +4,8 @@ import (
 	"encoding/json"
 	"strings"
 
-	"cs-agent/internal/ai/runtime/internal/impl/adapter"
 	"cs-agent/internal/ai/runtime/registry"
+	runtimetooling "cs-agent/internal/ai/runtime/tooling"
 	"cs-agent/internal/models"
 	"cs-agent/internal/pkg/toolx"
 
@@ -13,7 +13,7 @@ import (
 )
 
 type preparedTooling struct {
-	definitions         []adapter.MCPToolDefinition
+	definitions         []runtimetooling.MCPToolDefinition
 	toolCodes           []string
 	toolDefsByModelName map[string]string
 	staticToolCodes     []string
@@ -22,7 +22,7 @@ type preparedTooling struct {
 	staticToolMetadata  map[string]registry.ToolMetadata
 }
 
-func prepareTooling(defs []adapter.MCPToolDefinition, selectedSkill *models.SkillDefinition, toolSet *registry.ToolSet, includeSkillTool bool) preparedTooling {
+func prepareTooling(defs []runtimetooling.MCPToolDefinition, selectedSkill *models.SkillDefinition, toolSet *registry.ToolSet, includeSkillTool bool) preparedTooling {
 	filteredDefs := filterToolDefinitionsBySkill(defs, selectedSkill)
 	ret := preparedTooling{
 		definitions:         filteredDefs,
@@ -125,7 +125,7 @@ func staticToolCodeList(toolSet *registry.ToolSet) []string {
 	return ret
 }
 
-func definitionToolCodes(defs []adapter.MCPToolDefinition) []string {
+func definitionToolCodes(defs []runtimetooling.MCPToolDefinition) []string {
 	ret := make([]string, 0, len(defs))
 	for _, item := range defs {
 		code := strings.TrimSpace(item.ToolCode)
@@ -137,7 +137,7 @@ func definitionToolCodes(defs []adapter.MCPToolDefinition) []string {
 	return ret
 }
 
-func filterToolDefinitionsBySkill(defs []adapter.MCPToolDefinition, skill *models.SkillDefinition) []adapter.MCPToolDefinition {
+func filterToolDefinitionsBySkill(defs []runtimetooling.MCPToolDefinition, skill *models.SkillDefinition) []runtimetooling.MCPToolDefinition {
 	if skill == nil || strings.TrimSpace(skill.ToolWhitelist) == "" {
 		return defs
 	}
@@ -156,7 +156,7 @@ func filterToolDefinitionsBySkill(defs []adapter.MCPToolDefinition, skill *model
 	if len(allowedSet) == 0 {
 		return defs
 	}
-	ret := make([]adapter.MCPToolDefinition, 0, len(defs))
+	ret := make([]runtimetooling.MCPToolDefinition, 0, len(defs))
 	for _, item := range defs {
 		if _, ok := allowedSet[strings.TrimSpace(item.ToolCode)]; ok {
 			ret = append(ret, item)
diff --git a/internal/ai/runtime/internal/impl/adapter/mcp_tool_adapter.go b/internal/ai/runtime/internal/impl/adapter/mcp_tool_adapter.go
index eddc817..db0f81c 100644
--- a/internal/ai/runtime/internal/impl/adapter/mcp_tool_adapter.go
+++ b/internal/ai/runtime/internal/impl/adapter/mcp_tool_adapter.go
@@ -4,11 +4,10 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	"hash/crc32"
-	"regexp"
 	"strings"
 
 	"cs-agent/internal/ai/mcps"
+	runtimetooling "cs-agent/internal/ai/runtime/tooling"
 
 	einojsonschema "github.com/eino-contrib/jsonschema"
 
@@ -16,17 +15,7 @@ import (
 	"github.com/cloudwego/eino/schema"
 )
 
-var toolNameSanitizer = regexp.MustCompile(`[^a-zA-Z0-9_]`)
-
-type MCPToolDefinition struct {
-	ToolCode    string
-	ServerCode  string
-	ToolName    string
-	ModelName   string
-	Title       string
-	Description string
-	FixedArgs   map[string]string
-}
+type MCPToolDefinition = runtimetooling.MCPToolDefinition
 
 type MCPTool struct {
 	definition MCPToolDefinition
@@ -83,7 +72,7 @@ func buildToolInfo(definition MCPToolDefinition, metadata *mcps.ToolInfo) *schem
 		desc = "Call MCP tool " + strings.TrimSpace(definition.ToolCode)
 	}
 	info := &schema.ToolInfo{
-		Name: BuildModelToolName(definition),
+		Name: runtimetooling.BuildModelToolName(definition),
 		Desc: desc,
 		Extra: map[string]any{
 			"toolCode":   definition.ToolCode,
@@ -145,17 +134,3 @@ func mergeFixedArguments(arguments map[string]any, fixedArgs map[string]string)
 	}
 	return ret
 }
-
-func BuildModelToolName(definition MCPToolDefinition) string {
-	if strings.TrimSpace(definition.ModelName) != "" {
-		return strings.TrimSpace(definition.ModelName)
-	}
-	base := "mcp_" + strings.TrimSpace(definition.ServerCode) + "_" + strings.TrimSpace(definition.ToolName)
-	base = toolNameSanitizer.ReplaceAllString(base, "_")
-	base = strings.Trim(base, "_")
-	if base == "" {
-		base = "mcp_tool"
-	}
-	checksum := crc32.ChecksumIEEE([]byte(definition.ToolCode))
-	return fmt.Sprintf("%s_%08x", base, checksum)
-}
diff --git a/internal/ai/runtime/internal/impl/factory/agent_factory.go b/internal/ai/runtime/internal/impl/factory/agent_factory.go
index fd93b14..4d79600 100644
--- a/internal/ai/runtime/internal/impl/factory/agent_factory.go
+++ b/internal/ai/runtime/internal/impl/factory/agent_factory.go
@@ -4,10 +4,10 @@ import (
 	"context"
 	"strings"
 
-	einoadapter "cs-agent/internal/ai/runtime/internal/impl/adapter"
 	einoagents "cs-agent/internal/ai/runtime/internal/impl/agents"
 	einocallbacks "cs-agent/internal/ai/runtime/internal/impl/callbacks"
 	"cs-agent/internal/ai/runtime/registry"
+	runtimetooling "cs-agent/internal/ai/runtime/tooling"
 	"cs-agent/internal/models"
 
 	"github.com/cloudwego/eino/adk"
@@ -37,10 +37,10 @@ type BuildCustomerServiceAgentInput struct {
 	SelectedSkill *models.SkillDefinition
 	// InstructionToolDefinitions 用于生成 instruction 中的工具说明。
 	// 它描述“当前允许模型理解和使用的 MCP 工具范围”。
-	InstructionToolDefinitions []einoadapter.MCPToolDefinition
+	InstructionToolDefinitions []runtimetooling.MCPToolDefinition
 	// DynamicMCPToolDefinitions 用于接入 Eino tool_search middleware 的动态工具集合。
 	// 这些工具默认不直接挂在 ToolsNode 上，而是经 tool_search 选择后再暴露给模型。
-	DynamicMCPToolDefinitions []einoadapter.MCPToolDefinition
+	DynamicMCPToolDefinitions []runtimetooling.MCPToolDefinition
 	// StaticTools 为当前运行时直接挂载到 ToolsNode 的固定工具，例如 Graph Tool。
 	StaticTools []einobasetool.BaseTool
 	// StaticToolCodes 为固定工具的 modelName -> toolCode 映射，用于 trace 和运行日志归因。
diff --git a/internal/ai/runtime/internal/impl/factory/agent_handler_service.go b/internal/ai/runtime/internal/impl/factory/agent_handler_service.go
index fcdfae5..285cc34 100644
--- a/internal/ai/runtime/internal/impl/factory/agent_handler_service.go
+++ b/internal/ai/runtime/internal/impl/factory/agent_handler_service.go
@@ -3,9 +3,9 @@ package factory
 import (
 	"context"
 
-	einoadapter "cs-agent/internal/ai/runtime/internal/impl/adapter"
 	einocallbacks "cs-agent/internal/ai/runtime/internal/impl/callbacks"
 	"cs-agent/internal/ai/runtime/registry"
+	runtimetooling "cs-agent/internal/ai/runtime/tooling"
 	"cs-agent/internal/models"
 	"cs-agent/internal/pkg/toolx"
 
@@ -20,8 +20,8 @@ type AgentHandlerService struct {
 
 type BuildAgentHandlersInput struct {
 	SelectedSkill              *models.SkillDefinition
-	InstructionToolDefinitions []einoadapter.MCPToolDefinition
-	DynamicToolDefinitions     []einoadapter.MCPToolDefinition
+	InstructionToolDefinitions []runtimetooling.MCPToolDefinition
+	DynamicToolDefinitions     []runtimetooling.MCPToolDefinition
 	DynamicTools               []einobasetool.BaseTool
 	StaticToolMetadata         map[string]registry.ToolMetadata
 	Collector                  *einocallbacks.RuntimeTraceCollector
diff --git a/internal/ai/runtime/internal/impl/factory/instruction_providers.go b/internal/ai/runtime/internal/impl/factory/instruction_providers.go
index a1f6874..77759c5 100644
--- a/internal/ai/runtime/internal/impl/factory/instruction_providers.go
+++ b/internal/ai/runtime/internal/impl/factory/instruction_providers.go
@@ -5,7 +5,7 @@ import (
 	"path/filepath"
 	"strings"
 
-	einoadapter "cs-agent/internal/ai/runtime/internal/impl/adapter"
+	runtimetooling "cs-agent/internal/ai/runtime/tooling"
 	"cs-agent/internal/models"
 	"cs-agent/internal/pkg/toolx"
 )
@@ -87,7 +87,7 @@ func (p *SkillInstructionProvider) Resolve(selectedSkill *models.SkillDefinition
 	return buildSelectedSkillActivationInstruction(selectedSkill)
 }
 
-func (p *ToolAppendixProvider) Build(toolDefinitions []einoadapter.MCPToolDefinition, extraToolCodes map[string]string) []string {
+func (p *ToolAppendixProvider) Build(toolDefinitions []runtimetooling.MCPToolDefinition, extraToolCodes map[string]string) []string {
 	appendixParts := make([]string, 0, 1)
 	toolCodes := make([]string, 0, len(toolDefinitions)+len(extraToolCodes))
 	for _, item := range toolDefinitions {
diff --git a/internal/ai/runtime/internal/impl/factory/instruction_service.go b/internal/ai/runtime/internal/impl/factory/instruction_service.go
index 5210789..ec24580 100644
--- a/internal/ai/runtime/internal/impl/factory/instruction_service.go
+++ b/internal/ai/runtime/internal/impl/factory/instruction_service.go
@@ -3,7 +3,7 @@ package factory
 import (
 	"strings"
 
-	einoadapter "cs-agent/internal/ai/runtime/internal/impl/adapter"
+	runtimetooling "cs-agent/internal/ai/runtime/tooling"
 	"cs-agent/internal/models"
 )
 
@@ -49,7 +49,7 @@ func NewInstructionService(
 func (s *InstructionService) Build(
 	aiAgent *models.AIAgent,
 	selectedSkill *models.SkillDefinition,
-	toolDefinitions []einoadapter.MCPToolDefinition,
+	toolDefinitions []runtimetooling.MCPToolDefinition,
 	extraToolCodes map[string]string,
 ) InstructionAssemblyResult {
 	baseInstruction := ""
diff --git a/internal/ai/runtime/internal/impl/factory/skill_instruction_helpers.go b/internal/ai/runtime/internal/impl/factory/skill_instruction_helpers.go
index a34ceff..8f10251 100644
--- a/internal/ai/runtime/internal/impl/factory/skill_instruction_helpers.go
+++ b/internal/ai/runtime/internal/impl/factory/skill_instruction_helpers.go
@@ -5,7 +5,7 @@ import (
 	"fmt"
 	"strings"
 
-	einoadapter "cs-agent/internal/ai/runtime/internal/impl/adapter"
+	runtimetooling "cs-agent/internal/ai/runtime/tooling"
 	"cs-agent/internal/models"
 	"cs-agent/internal/pkg/toolx"
 )
@@ -26,7 +26,7 @@ func buildSelectedSkillActivationInstruction(skill *models.SkillDefinition) stri
 	return strings.TrimSpace(strings.Join(lines, "\n"))
 }
 
-func buildSelectedSkillDocument(skill *models.SkillDefinition, toolDefinitions []einoadapter.MCPToolDefinition) string {
+func buildSelectedSkillDocument(skill *models.SkillDefinition, toolDefinitions []runtimetooling.MCPToolDefinition) string {
 	if skill == nil {
 		return ""
 	}
diff --git a/internal/ai/runtime/internal/impl/factory/skill_middleware_backend.go b/internal/ai/runtime/internal/impl/factory/skill_middleware_backend.go
index 31b96fc..316a3ef 100644
--- a/internal/ai/runtime/internal/impl/factory/skill_middleware_backend.go
+++ b/internal/ai/runtime/internal/impl/factory/skill_middleware_backend.go
@@ -5,7 +5,7 @@ import (
 	"fmt"
 	"strings"
 
-	einoadapter "cs-agent/internal/ai/runtime/internal/impl/adapter"
+	runtimetooling "cs-agent/internal/ai/runtime/tooling"
 	"cs-agent/internal/models"
 
 	einoskill "github.com/cloudwego/eino/adk/middlewares/skill"
@@ -16,7 +16,7 @@ type selectedSkillBackend struct {
 	skill       einoskill.Skill
 }
 
-func newSelectedSkillBackend(selectedSkill *models.SkillDefinition, toolDefinitions []einoadapter.MCPToolDefinition) (*selectedSkillBackend, error) {
+func newSelectedSkillBackend(selectedSkill *models.SkillDefinition, toolDefinitions []runtimetooling.MCPToolDefinition) (*selectedSkillBackend, error) {
 	if selectedSkill == nil {
 		return nil, fmt.Errorf("selected skill is nil")
 	}
diff --git a/internal/ai/runtime/internal/impl/factory/skill_middleware_service.go b/internal/ai/runtime/internal/impl/factory/skill_middleware_service.go
index 3ce5b66..b7c8255 100644
--- a/internal/ai/runtime/internal/impl/factory/skill_middleware_service.go
+++ b/internal/ai/runtime/internal/impl/factory/skill_middleware_service.go
@@ -3,7 +3,7 @@ package factory
 import (
 	"context"
 
-	einoadapter "cs-agent/internal/ai/runtime/internal/impl/adapter"
+	runtimetooling "cs-agent/internal/ai/runtime/tooling"
 	"cs-agent/internal/models"
 	"cs-agent/internal/pkg/toolx"
 
@@ -20,7 +20,7 @@ func NewSkillMiddlewareService() *SkillMiddlewareService {
 func (s *SkillMiddlewareService) Build(
 	ctx context.Context,
 	selectedSkill *models.SkillDefinition,
-	toolDefinitions []einoadapter.MCPToolDefinition,
+	toolDefinitions []runtimetooling.MCPToolDefinition,
 ) (adk.ChatModelAgentMiddleware, error) {
 	backend, err := newSelectedSkillBackend(selectedSkill, toolDefinitions)
 	if err != nil {
diff --git a/internal/ai/runtime/internal/impl/factory/tool_factory.go b/internal/ai/runtime/internal/impl/factory/tool_factory.go
index 0e18da1..dc54d18 100644
--- a/internal/ai/runtime/internal/impl/factory/tool_factory.go
+++ b/internal/ai/runtime/internal/impl/factory/tool_factory.go
@@ -6,6 +6,7 @@ import (
 
 	"cs-agent/internal/ai/mcps"
 	impladapter "cs-agent/internal/ai/runtime/internal/impl/adapter"
+	runtimetooling "cs-agent/internal/ai/runtime/tooling"
 	"cs-agent/internal/models"
 	"cs-agent/internal/pkg/toolx"
 
@@ -18,7 +19,7 @@ func NewToolFactory() *ToolFactory {
 	return &ToolFactory{}
 }
 
-func (f *ToolFactory) BuildMCPTools(aiAgent *models.AIAgent) ([]impladapter.MCPToolDefinition, error) {
+func (f *ToolFactory) BuildMCPTools(aiAgent *models.AIAgent) ([]runtimetooling.MCPToolDefinition, error) {
 	if aiAgent == nil || strings.TrimSpace(aiAgent.AllowedMCPTools) == "" {
 		return nil, nil
 	}
@@ -26,7 +27,7 @@ func (f *ToolFactory) BuildMCPTools(aiAgent *models.AIAgent) ([]impladapter.MCPT
 	if err != nil {
 		return nil, err
 	}
-	ret := make([]impladapter.MCPToolDefinition, 0, len(raw))
+	ret := make([]runtimetooling.MCPToolDefinition, 0, len(raw))
 	for _, item := range raw {
 		toolCode := strings.TrimSpace(item.ToolCode)
 		toolCode = toolx.NormalizeToolCodeAlias(toolCode)
@@ -37,7 +38,7 @@ func (f *ToolFactory) BuildMCPTools(aiAgent *models.AIAgent) ([]impladapter.MCPT
 		if serverCode == "" || toolName == "" {
 			continue
 		}
-		definition := impladapter.MCPToolDefinition{
+		definition := runtimetooling.MCPToolDefinition{
 			ToolCode:    toolCode,
 			ServerCode:  serverCode,
 			ToolName:    toolName,
@@ -45,7 +46,7 @@ func (f *ToolFactory) BuildMCPTools(aiAgent *models.AIAgent) ([]impladapter.MCPT
 			Description: strings.TrimSpace(item.Description),
 			FixedArgs:   cloneStringMap(item.Arguments),
 		}
-		definition.ModelName = impladapter.BuildModelToolName(definition)
+		definition.ModelName = runtimetooling.BuildModelToolName(definition)
 		ret = append(ret, definition)
 	}
 	return ret, nil
@@ -59,7 +60,7 @@ func (f *ToolFactory) BuildBaseTools(ctx context.Context, aiAgent *models.AIAgen
 	return f.BuildBaseToolsByDefinitions(ctx, definitions)
 }
 
-func (f *ToolFactory) BuildBaseToolsByDefinitions(ctx context.Context, definitions []impladapter.MCPToolDefinition) ([]einotool.BaseTool, error) {
+func (f *ToolFactory) BuildBaseToolsByDefinitions(ctx context.Context, definitions []runtimetooling.MCPToolDefinition) ([]einotool.BaseTool, error) {
 	if len(definitions) == 0 {
 		return nil, nil
 	}
@@ -74,7 +75,7 @@ func (f *ToolFactory) BuildBaseToolsByDefinitions(ctx context.Context, definitio
 	return ret, nil
 }
 
-func (f *ToolFactory) loadToolMetadata(ctx context.Context, definitions []impladapter.MCPToolDefinition) (map[string]*mcps.ToolInfo, error) {
+func (f *ToolFactory) loadToolMetadata(ctx context.Context, definitions []runtimetooling.MCPToolDefinition) (map[string]*mcps.ToolInfo, error) {
 	toolsByCode := make(map[string]*mcps.ToolInfo, len(definitions))
 	serverCodes := make(map[string]struct{})
 	for _, item := range definitions {
diff --git a/internal/ai/runtime/internal/impl/factory/tool_helpers.go b/internal/ai/runtime/internal/impl/factory/tool_helpers.go
index 7aaaf50..57f63e4 100644
--- a/internal/ai/runtime/internal/impl/factory/tool_helpers.go
+++ b/internal/ai/runtime/internal/impl/factory/tool_helpers.go
@@ -3,9 +3,9 @@ package factory
 import (
 	"strings"
 
-	einoadapter "cs-agent/internal/ai/runtime/internal/impl/adapter"
 	einocallbacks "cs-agent/internal/ai/runtime/internal/impl/callbacks"
 	"cs-agent/internal/ai/runtime/registry"
+	runtimetooling "cs-agent/internal/ai/runtime/tooling"
 	"cs-agent/internal/models"
 	"cs-agent/internal/pkg/toolx"
 )
@@ -22,7 +22,7 @@ func buildInstructionTraceSummary(summary InstructionAssemblySummary) einocallba
 }
 
 func buildRuntimeTraceToolMetadata(
-	dynamicToolDefinitions []einoadapter.MCPToolDefinition,
+	dynamicToolDefinitions []runtimetooling.MCPToolDefinition,
 	staticToolMetadata map[string]registry.ToolMetadata,
 	selectedSkill *models.SkillDefinition,
 ) map[string]einocallbacks.ToolMetadata {
diff --git a/internal/ai/runtime/tooling/mcp_tool_definition.go b/internal/ai/runtime/tooling/mcp_tool_definition.go
new file mode 100644
index 0000000..bae02b8
--- /dev/null
+++ b/internal/ai/runtime/tooling/mcp_tool_definition.go
@@ -0,0 +1,34 @@
+package tooling
+
+import (
+	"fmt"
+	"hash/crc32"
+	"regexp"
+	"strings"
+)
+
+var toolNameSanitizer = regexp.MustCompile(`[^a-zA-Z0-9_]`)
+
+type MCPToolDefinition struct {
+	ToolCode    string
+	ServerCode  string
+	ToolName    string
+	ModelName   string
+	Title       string
+	Description string
+	FixedArgs   map[string]string
+}
+
+func BuildModelToolName(definition MCPToolDefinition) string {
+	if strings.TrimSpace(definition.ModelName) != "" {
+		return strings.TrimSpace(definition.ModelName)
+	}
+	base := "mcp_" + strings.TrimSpace(definition.ServerCode) + "_" + strings.TrimSpace(definition.ToolName)
+	base = toolNameSanitizer.ReplaceAllString(base, "_")
+	base = strings.Trim(base, "_")
+	if base == "" {
+		base = "mcp_tool"
+	}
+	checksum := crc32.ChecksumIEEE([]byte(definition.ToolCode))
+	return fmt.Sprintf("%s_%08x", base, checksum)
+}