diff --git a/src/lib/tauri-api.ts b/src/lib/tauri-api.ts
index c040cfc..c78b1bc 100644
--- a/src/lib/tauri-api.ts
+++ b/src/lib/tauri-api.ts
@@ -1,6 +1,6 @@
 import { invoke } from "@tauri-apps/api/core";
 import { listen, UnlistenFn } from "@tauri-apps/api/event";
-import { Provider, Settings, CustomEndpoint } from "../types";
+import { Provider, Settings, CustomEndpoint, McpStatus, McpServer } from "../types";
 
 // 应用类型
 export type AppType = "claude" | "codex";
@@ -279,6 +279,69 @@ export const tauriAPI = {
     }
   },
 
+  // Claude MCP：获取状态（settings.local.json + mcp.json）
+  getClaudeMcpStatus: async (): Promise<McpStatus> => {
+    try {
+      return await invoke<McpStatus>("get_claude_mcp_status");
+    } catch (error) {
+      console.error("获取 MCP 状态失败:", error);
+      throw error;
+    }
+  },
+
+  // Claude MCP：读取 mcp.json 文本
+  readClaudeMcpConfig: async (): Promise<string | null> => {
+    try {
+      return await invoke<string | null>("read_claude_mcp_config");
+    } catch (error) {
+      console.error("读取 mcp.json 失败:", error);
+      throw error;
+    }
+  },
+
+  // Claude MCP：设置项目级启用开关
+  setClaudeMcpEnableAllProjects: async (enable: boolean): Promise<boolean> => {
+    try {
+      return await invoke<boolean>("set_claude_mcp_enable_all_projects", { enable });
+    } catch (error) {
+      console.error("写入 settings.local.json 失败:", error);
+      throw error;
+    }
+  },
+
+  // Claude MCP：新增/更新服务器定义
+  upsertClaudeMcpServer: async (
+    id: string,
+    spec: McpServer | Record<string, any>,
+  ): Promise<boolean> => {
+    try {
+      return await invoke<boolean>("upsert_claude_mcp_server", { id, spec });
+    } catch (error) {
+      console.error("保存 MCP 服务器失败:", error);
+      throw error;
+    }
+  },
+
+  // Claude MCP：删除服务器定义
+  deleteClaudeMcpServer: async (id: string): Promise<boolean> => {
+    try {
+      return await invoke<boolean>("delete_claude_mcp_server", { id });
+    } catch (error) {
+      console.error("删除 MCP 服务器失败:", error);
+      throw error;
+    }
+  },
+
+  // Claude MCP：校验命令是否在 PATH 中
+  validateMcpCommand: async (cmd: string): Promise<boolean> => {
+    try {
+      return await invoke<boolean>("validate_mcp_command", { cmd });
+    } catch (error) {
+      console.error("校验 MCP 命令失败:", error);
+      return false;
+    }
+  },
+
   // ours: 第三方/自定义供应商——测速与端点管理
   // 第三方/自定义供应商：批量测试端点延迟
   testApiEndpoints: async (
diff --git a/src/types.ts b/src/types.ts
index 3a4e0f1..f34294b 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -52,3 +52,23 @@ export interface Settings {
   // Codex 自定义端点列表
   customEndpointsCodex?: Record<string, CustomEndpoint>;
 }
+
+// MCP 服务器定义（宽松：允许扩展字段）
+export interface McpServer {
+  type: "stdio" | "sse";
+  command: string;
+  args?: string[];
+  env?: Record<string, string>;
+  cwd?: string;
+  [key: string]: any;
+}
+
+// MCP 配置状态
+export interface McpStatus {
+  settingsLocalPath: string;
+  settingsLocalExists: boolean;
+  enableAllProjectMcpServers: boolean;
+  mcpJsonPath: string;
+  mcpJsonExists: boolean;
+  serverCount: number;
+}
diff --git a/src/vite-env.d.ts b/src/vite-env.d.ts
index 2a8f5a3..73408e5 100644
--- a/src/vite-env.d.ts
+++ b/src/vite-env.d.ts
@@ -1,6 +1,6 @@
 /// <reference types="vite/client" />
 
-import { Provider, Settings, CustomEndpoint } from "./types";
+import { Provider, Settings, CustomEndpoint, McpStatus } from "./types";
 import { AppType } from "./lib/tauri-api";
 import type { UnlistenFn } from "@tauri-apps/api/event";
 
@@ -61,6 +61,16 @@ declare global {
         official: boolean;
       }) => Promise<boolean>;
       isClaudePluginApplied: () => Promise<boolean>;
+      // Claude MCP
+      getClaudeMcpStatus: () => Promise<McpStatus>;
+      readClaudeMcpConfig: () => Promise<string | null>;
+      setClaudeMcpEnableAllProjects: (enable: boolean) => Promise<boolean>;
+      upsertClaudeMcpServer: (
+        id: string,
+        spec: Record<string, any>,
+      ) => Promise<boolean>;
+      deleteClaudeMcpServer: (id: string) => Promise<boolean>;
+      validateMcpCommand: (cmd: string) => Promise<boolean>;
       testApiEndpoints: (
         urls: string[],
         options?: { timeoutSecs?: number },