diff --git a/packages/aiCore/src/index.ts b/packages/aiCore/src/index.ts
index 9f98c22efa..cb840e2d79 100644
--- a/packages/aiCore/src/index.ts
+++ b/packages/aiCore/src/index.ts
@@ -21,6 +21,7 @@ export { createModel, type ModelConfig } from './core/models'
 // ==================== 插件系统 ====================
 export type { AiPlugin, AiRequestContext, HookResult, HookType, PluginManagerConfig } from './core/plugins'
 export { createContext, definePlugin, PluginManager } from './core/plugins'
+export { createPromptToolUsePlugin, webSearchPlugin } from './core/plugins/built-in'
 export { PluginEngine } from './core/runtime/pluginEngine'
 
 // ==================== 低级 API ====================
diff --git a/src/renderer/src/aiCore/AiSdkToChunkAdapter.ts b/src/renderer/src/aiCore/AiSdkToChunkAdapter.ts
index 9cc9960807..3cb4df1d19 100644
--- a/src/renderer/src/aiCore/AiSdkToChunkAdapter.ts
+++ b/src/renderer/src/aiCore/AiSdkToChunkAdapter.ts
@@ -4,7 +4,7 @@
  */
 
 import { TextStreamPart, ToolSet } from '@cherrystudio/ai-core'
-import { MCPTool, WebSearchResults, WebSearchSource } from '@renderer/types'
+import { BaseTool, WebSearchResults, WebSearchSource } from '@renderer/types'
 import { Chunk, ChunkType } from '@renderer/types/chunk'
 
 import { ToolCallChunkHandler } from './chunk/handleTooCallChunk'
@@ -27,7 +27,7 @@ export class AiSdkToChunkAdapter {
   toolCallHandler: ToolCallChunkHandler
   constructor(
     private onChunk: (chunk: Chunk) => void,
-    private mcpTools: MCPTool[] = []
+    private mcpTools: BaseTool[] = []
   ) {
     this.toolCallHandler = new ToolCallChunkHandler(onChunk, mcpTools)
   }
diff --git a/src/renderer/src/aiCore/chunk/handleTooCallChunk.ts b/src/renderer/src/aiCore/chunk/handleTooCallChunk.ts
index 70134c5e43..2140950e19 100644
--- a/src/renderer/src/aiCore/chunk/handleTooCallChunk.ts
+++ b/src/renderer/src/aiCore/chunk/handleTooCallChunk.ts
@@ -4,22 +4,15 @@
  * 提供工具调用相关的处理API，每个交互使用一个新的实例
  */
 
-import { ToolCallUnion, ToolResultUnion, ToolSet } from '@cherrystudio/ai-core/index'
+import { ToolCallUnion, ToolResultUnion, ToolSet } from '@cherrystudio/ai-core'
 import Logger from '@renderer/config/logger'
-import { MCPTool, MCPToolResponse } from '@renderer/types'
+import { BaseTool, MCPToolResponse } from '@renderer/types'
 import { Chunk, ChunkType } from '@renderer/types/chunk'
 // import type {
 //   AnthropicSearchOutput,
 //   WebSearchPluginConfig
 // } from '@cherrystudio/ai-core/core/plugins/built-in/webSearchPlugin'
 
-// 为 Provider 执行的工具创建一个通用类型
-// 这避免了污染 MCPTool 的定义，同时提供了 UI 显示所需的基本信息
-type GenericProviderTool = {
-  name: string
-  description: string
-  type: 'provider'
-}
 /**
  * 工具调用处理器类
  */
@@ -32,12 +25,12 @@ export class ToolCallChunkHandler {
       toolName: string
       args: any
       // mcpTool 现在可以是 MCPTool 或我们为 Provider 工具创建的通用类型
-      mcpTool: MCPTool | GenericProviderTool
+      mcpTool: BaseTool
     }
   >()
   constructor(
     private onChunk: (chunk: Chunk) => void,
-    private mcpTools: MCPTool[]
+    private mcpTools: BaseTool[]
   ) {}
 
   //   /**
@@ -62,13 +55,14 @@ export class ToolCallChunkHandler {
       return
     }
 
-    let tool: MCPTool | GenericProviderTool
+    let tool: BaseTool
 
     // 根据 providerExecuted 标志区分处理逻辑
     if (providerExecuted) {
       // 如果是 Provider 执行的工具（如 web_search）
       Logger.info(`[ToolCallChunkHandler] Handling provider-executed tool: ${toolName}`)
       tool = {
+        id: toolCallId,
         name: toolName,
         description: toolName,
         type: 'provider'
diff --git a/src/renderer/src/aiCore/index_new.ts b/src/renderer/src/aiCore/index_new.ts
index 597dcd9835..7514961154 100644
--- a/src/renderer/src/aiCore/index_new.ts
+++ b/src/renderer/src/aiCore/index_new.ts
@@ -17,7 +17,7 @@ import {
   type ProviderSettingsMap,
   StreamTextParams
 } from '@cherrystudio/ai-core'
-import { createPromptToolUsePlugin, webSearchPlugin } from '@cherrystudio/ai-core/core/plugins/built-in'
+import { createPromptToolUsePlugin, webSearchPlugin } from '@cherrystudio/ai-core'
 import { isDedicatedImageGenerationModel } from '@renderer/config/models'
 import { createVertexProvider, isVertexAIConfigured, isVertexProvider } from '@renderer/hooks/useVertexAI'
 import { getProviderByModel } from '@renderer/services/AssistantService'
diff --git a/src/renderer/src/aiCore/middleware/aisdk/AiSdkMiddlewareBuilder.ts b/src/renderer/src/aiCore/middleware/aisdk/AiSdkMiddlewareBuilder.ts
index dd5461a639..0f18d4e195 100644
--- a/src/renderer/src/aiCore/middleware/aisdk/AiSdkMiddlewareBuilder.ts
+++ b/src/renderer/src/aiCore/middleware/aisdk/AiSdkMiddlewareBuilder.ts
@@ -3,7 +3,7 @@ import {
   LanguageModelV2Middleware,
   simulateStreamingMiddleware
 } from '@cherrystudio/ai-core'
-import type { MCPTool, Model, Provider } from '@renderer/types'
+import type { BaseTool, Model, Provider } from '@renderer/types'
 import type { Chunk } from '@renderer/types/chunk'
 
 /**
@@ -18,7 +18,7 @@ export interface AiSdkMiddlewareConfig {
   // 是否开启提示词工具调用
   enableTool?: boolean
   enableWebSearch?: boolean
-  mcpTools?: MCPTool[]
+  mcpTools?: BaseTool[]
 }
 
 /**
diff --git a/src/renderer/src/aiCore/tools/WebSearchTool.ts b/src/renderer/src/aiCore/tools/WebSearchTool.ts
new file mode 100644
index 0000000000..52a6d743a3
--- /dev/null
+++ b/src/renderer/src/aiCore/tools/WebSearchTool.ts
@@ -0,0 +1,34 @@
+import WebSearchService from '@renderer/services/WebSearchService'
+import { WebSearchProvider } from '@renderer/types'
+import aiSdk from 'ai'
+
+import { AiSdkTool, ToolCallResult } from './types'
+
+export const webSearchTool = (webSearchProviderId: WebSearchProvider['id'], requestId: string): AiSdkTool => {
+  const webSearchService = WebSearchService.getInstance(webSearchProviderId)
+  return {
+    name: 'web_search',
+    description: 'Search the web for information',
+    inputSchema: aiSdk.jsonSchema({
+      type: 'object',
+      properties: {
+        query: { type: 'string', description: 'The query to search for' }
+      },
+      required: ['query']
+    }),
+    execute: async ({ query }): Promise<ToolCallResult> => {
+      try {
+        const response = await webSearchService.processWebsearch(query, requestId)
+        return {
+          success: true,
+          data: response
+        }
+      } catch (error) {
+        return {
+          success: false,
+          data: error
+        }
+      }
+    }
+  }
+}
diff --git a/src/renderer/src/aiCore/tools/types.ts b/src/renderer/src/aiCore/tools/types.ts
new file mode 100644
index 0000000000..23591c7f00
--- /dev/null
+++ b/src/renderer/src/aiCore/tools/types.ts
@@ -0,0 +1,8 @@
+import { Tool } from '@cherrystudio/ai-core'
+
+export type ToolCallResult = {
+  success: boolean
+  data: any
+}
+
+export type AiSdkTool = Tool<any, ToolCallResult>
diff --git a/src/renderer/src/aiCore/transformParameters.ts b/src/renderer/src/aiCore/transformParameters.ts
index af8618f69e..82e46c1cd9 100644
--- a/src/renderer/src/aiCore/transformParameters.ts
+++ b/src/renderer/src/aiCore/transformParameters.ts
@@ -39,6 +39,7 @@ import {
 import { buildSystemPrompt } from '@renderer/utils/prompt'
 import { defaultTimeout } from '@shared/config/constant'
 
+import { webSearchTool } from './tools/WebSearchTool'
 // import { jsonSchemaToZod } from 'json-schema-to-zod'
 import { setupToolsConfig } from './utils/mcp'
 import { buildProviderOptions } from './utils/options'
@@ -246,6 +247,7 @@ export async function buildStreamTextParams(
     mcpTools?: MCPTool[]
     enableTools?: boolean
     enableWebSearch?: boolean
+    webSearchProviderId?: string
     requestOptions?: {
       signal?: AbortSignal
       timeout?: number
@@ -257,7 +259,7 @@ export async function buildStreamTextParams(
   modelId: string
   capabilities: { enableReasoning?: boolean; enableWebSearch?: boolean; enableGenerateImage?: boolean }
 }> {
-  const { mcpTools, enableTools } = options
+  const { mcpTools, enableTools, webSearchProviderId } = options
 
   const model = assistant.model || getDefaultModel()
 
@@ -286,6 +288,13 @@ export async function buildStreamTextParams(
     enableToolUse: enableTools
   })
 
+  if (webSearchProviderId) {
+    // 生成requestId用于网络搜索工具
+    const requestId = `request_${Date.now()}_${Math.random().toString(36).substring(2, 9)}`
+
+    tools['builtin_web_search'] = webSearchTool(webSearchProviderId, requestId)
+  }
+
   // 构建真正的 providerOptions
   const providerOptions = buildProviderOptions(assistant, model, provider, {
     enableReasoning,
diff --git a/src/renderer/src/aiCore/utils/mcp.ts b/src/renderer/src/aiCore/utils/mcp.ts
index 39c36deb4f..26a77c4f93 100644
--- a/src/renderer/src/aiCore/utils/mcp.ts
+++ b/src/renderer/src/aiCore/utils/mcp.ts
@@ -1,17 +1,11 @@
 import { aiSdk, Tool } from '@cherrystudio/ai-core'
+import { AiSdkTool, ToolCallResult } from '@renderer/aiCore/tools/types'
 import { SYSTEM_PROMPT_THRESHOLD } from '@renderer/config/constant'
 import { isFunctionCallingModel } from '@renderer/config/models'
-import { MCPCallToolResponse, MCPTool, MCPToolResponse, Model } from '@renderer/types'
+import { MCPTool, MCPToolResponse, Model } from '@renderer/types'
 import { callMCPTool } from '@renderer/utils/mcp-tools'
 import { JSONSchema7 } from 'json-schema'
 
-type ToolCallResult = {
-  success: boolean
-  data: MCPCallToolResponse
-}
-
-type AiSdkTool = Tool<any, ToolCallResult>
-
 // Setup tools configuration based on provided parameters
 export function setupToolsConfig(params: { mcpTools?: MCPTool[]; model: Model; enableToolUse?: boolean }): {
   tools: Record<string, AiSdkTool>
diff --git a/src/renderer/src/services/WebSearchService.ts b/src/renderer/src/services/WebSearchService.ts
index efb726a0aa..ea66fe7d54 100644
--- a/src/renderer/src/services/WebSearchService.ts
+++ b/src/renderer/src/services/WebSearchService.ts
@@ -36,7 +36,21 @@ interface RequestState {
 /**
  * 提供网络搜索相关功能的服务类
  */
-class WebSearchService {
+export default class WebSearchService {
+  private static instance: WebSearchService
+  private webSearchProviderId: WebSearchProvider['id']
+
+  private constructor(webSearchProviderId: WebSearchProvider['id']) {
+    this.webSearchProviderId = webSearchProviderId
+  }
+
+  public static getInstance(webSearchProviderId: WebSearchProvider['id']): WebSearchService {
+    if (!WebSearchService.instance) {
+      WebSearchService.instance = new WebSearchService(webSearchProviderId)
+    }
+    return WebSearchService.instance
+  }
+
   /**
    * 是否暂停
    */
@@ -154,17 +168,16 @@ class WebSearchService {
   /**
    * 使用指定的提供商执行网络搜索
    * @public
-   * @param provider 搜索提供商
    * @param query 搜索查询
    * @returns 搜索响应
    */
-  public async search(
-    provider: WebSearchProvider,
-    query: string,
-    httpOptions?: RequestInit
-  ): Promise<WebSearchProviderResponse> {
+  public async search(query: string, httpOptions?: RequestInit): Promise<WebSearchProviderResponse> {
     const websearch = this.getWebSearchState()
-    const webSearchEngine = new WebSearchEngineProvider(provider)
+    const webSearchProvider = this.getWebSearchProvider(this.webSearchProviderId)
+    if (!webSearchProvider) {
+      throw new Error(`WebSearchProvider ${this.webSearchProviderId} not found`)
+    }
+    const webSearchEngine = new WebSearchEngineProvider(webSearchProvider)
 
     let formattedQuery = query
     // FIXME: 有待商榷，效果一般
@@ -186,9 +199,9 @@ class WebSearchService {
    * @param provider 要检查的搜索提供商
    * @returns 如果提供商可用返回true，否则返回false
    */
-  public async checkSearch(provider: WebSearchProvider): Promise<{ valid: boolean; error?: any }> {
+  public async checkSearch(): Promise<{ valid: boolean; error?: any }> {
     try {
-      const response = await this.search(provider, 'test query')
+      const response = await this.search('test query')
       Logger.log('[checkSearch] Search response:', response)
       // 优化的判断条件：检查结果是否有效且没有错误
       return { valid: response.results !== undefined, error: undefined }
@@ -423,11 +436,7 @@ class WebSearchService {
    *
    * @returns 包含搜索结果的响应对象
    */
-  public async processWebsearch(
-    webSearchProvider: WebSearchProvider,
-    extractResults: ExtractResults,
-    requestId: string
-  ): Promise<WebSearchProviderResponse> {
+  public async processWebsearch(extractResults: ExtractResults, requestId: string): Promise<WebSearchProviderResponse> {
     // 重置状态
     await this.setWebSearchStatus(requestId, { phase: 'default' })
 
@@ -449,7 +458,7 @@ class WebSearchService {
       return { query: 'summaries', results: contents }
     }
 
-    const searchPromises = questions.map((q) => this.search(webSearchProvider, q, { signal }))
+    const searchPromises = questions.map((q) => this.search(q, { signal }))
     const searchResults = await Promise.allSettled(searchPromises)
 
     // 统计成功完成的搜索数量
@@ -532,5 +541,3 @@ class WebSearchService {
     }
   }
 }
-
-export default new WebSearchService()
diff --git a/src/renderer/src/types/index.ts b/src/renderer/src/types/index.ts
index 38a038c8ac..258cb2a804 100644
--- a/src/renderer/src/types/index.ts
+++ b/src/renderer/src/types/index.ts
@@ -4,12 +4,7 @@ import type OpenAI from 'openai'
 import type { CSSProperties } from 'react'
 
 import type { Message } from './newMessage'
-
-export type GenericProviderTool = {
-  name: string
-  description: string
-  type: 'provider'
-}
+import type { BaseTool, MCPTool } from './tool'
 
 export type Assistant = {
   id: string
@@ -616,15 +611,6 @@ export interface MCPToolInputSchema {
   properties: Record<string, object>
 }
 
-export interface MCPTool {
-  id: string
-  serverId: string
-  serverName: string
-  name: string
-  description?: string
-  inputSchema: MCPToolInputSchema
-}
-
 export interface MCPPromptArguments {
   name: string
   description?: string
@@ -661,7 +647,7 @@ export interface MCPConfig {
 
 interface BaseToolResponse {
   id: string // unique id
-  tool: MCPTool | GenericProviderTool
+  tool: BaseTool
   arguments: Record<string, unknown> | undefined
   status: string // 'invoking' | 'done'
   response?: any
@@ -755,3 +741,4 @@ export type S3Config = {
 }
 
 export type { Message } from './newMessage'
+export * from './tool'
diff --git a/src/renderer/src/types/tool.ts b/src/renderer/src/types/tool.ts
new file mode 100644
index 0000000000..5f41e4a85c
--- /dev/null
+++ b/src/renderer/src/types/tool.ts
@@ -0,0 +1,26 @@
+import type { MCPToolInputSchema } from './index'
+
+export type ToolType = 'builtin' | 'provider' | 'mcp'
+
+export interface BaseTool {
+  id: string
+  name: string
+  description?: string
+  type: ToolType
+}
+
+export interface GenericProviderTool extends BaseTool {
+  type: 'provider'
+}
+
+export interface BuiltinTool extends BaseTool {
+  inputSchema: MCPToolInputSchema
+  type: 'builtin'
+}
+
+export interface MCPTool extends BaseTool {
+  serverId: string
+  serverName: string
+  inputSchema: MCPToolInputSchema
+  type: 'mcp'
+}