init client

client/src/App.css

@@ -0,0 +1,42 @@
+#root {
+  max-width: 1280px;
+  margin: 0 auto;
+  padding: 2rem;
+  text-align: center;
+}
+
+.logo {
+  height: 6em;
+  padding: 1.5em;
+  will-change: filter;
+  transition: filter 300ms;
+}
+.logo:hover {
+  filter: drop-shadow(0 0 2em #646cffaa);
+}
+.logo.react:hover {
+  filter: drop-shadow(0 0 2em #61dafbaa);
+}
+
+@keyframes logo-spin {
+  from {
+    transform: rotate(0deg);
+  }
+  to {
+    transform: rotate(360deg);
+  }
+}
+
+@media (prefers-reduced-motion: no-preference) {
+  a:nth-of-type(2) .logo {
+    animation: logo-spin infinite 20s linear;
+  }
+}
+
+.card {
+  padding: 2em;
+}
+
+.read-the-docs {
+  color: #888;
+}

client/src/App.tsx

@@ -0,0 +1,113 @@
+import { useState, useEffect } from "react";
+import { Send, Bell, Terminal, Files } from "lucide-react";
+import { Tabs, TabsList, TabsTrigger } from "@/components/ui/tabs";
+
+import ConsoleTab from "./components/ConsoleTab";
+import Sidebar from "./components/Sidebar";
+import RequestsTab from "./components/RequestsTabs";
+import ResourcesTab, { Resource } from "./components/ResourcesTab";
+import NotificationsTab from "./components/NotificationsTab";
+
+const App = () => {
+  const [socket, setSocket] = useState<WebSocket | null>(null);
+  const [resources, setResources] = useState<Resource[]>([]);
+  const [selectedResource, setSelectedResource] = useState<Resource | null>(
+    null,
+  );
+  const [resourceContent, setResourceContent] = useState<string>("");
+  const [connectionStatus, setConnectionStatus] = useState<
+    "disconnected" | "connected" | "error"
+  >("disconnected");
+  const [error, setError] = useState<string | null>(null);
+
+  useEffect(() => {
+    const ws = new WebSocket("ws://localhost:3000");
+
+    ws.onopen = () => {
+      console.log("Connected to WebSocket server");
+      setConnectionStatus("connected");
+      setSocket(ws);
+    };
+
+    ws.onmessage = (event) => {
+      const message = JSON.parse(event.data);
+      console.log("Received message:", message);
+      if (message.type === "resources") {
+        setResources(message.data.resources);
+        setError(null);
+      } else if (message.type === "resource") {
+        setResourceContent(JSON.stringify(message.data, null, 2));
+        setError(null);
+      } else if (message.type === "error") {
+        setError(message.message);
+      }
+    };
+
+    ws.onerror = () => {
+      setConnectionStatus("error");
+    };
+
+    ws.onclose = () => {
+      setConnectionStatus("disconnected");
+    };
+
+    return () => ws.close();
+  }, []);
+
+  const listResources = () => {
+    if (socket) {
+      socket.send(JSON.stringify({ type: "listResources" }));
+    }
+  };
+
+  const readResource = (uri: string) => {
+    if (socket) {
+      socket.send(JSON.stringify({ type: "readResource", uri }));
+    }
+  };
+
+  return (
+    <div className="flex h-screen bg-gray-100">
+      <Sidebar connectionStatus={connectionStatus} />
+      <div className="flex-1 flex flex-col">
+        <div className="flex-1 p-6">
+          <Tabs defaultValue="requests">
+            <TabsList className="mb-4">
+              <TabsTrigger value="requests">
+                <Send className="w-4 h-4 mr-2" />
+                Requests
+              </TabsTrigger>
+              <TabsTrigger value="notifications">
+                <Bell className="w-4 h-4 mr-2" />
+                Notifications
+              </TabsTrigger>
+              <TabsTrigger value="resources">
+                <Files className="w-4 h-4 mr-2" />
+                Resources
+              </TabsTrigger>
+              <TabsTrigger value="console">
+                <Terminal className="w-4 h-4 mr-2" />
+                Console
+              </TabsTrigger>
+            </TabsList>
+
+            <RequestsTab />
+            <ResourcesTab
+              resources={resources}
+              listResources={listResources}
+              readResource={readResource}
+              selectedResource={selectedResource}
+              setSelectedResource={setSelectedResource}
+              resourceContent={resourceContent}
+              error={error}
+            />
+            <NotificationsTab />
+            <ConsoleTab />
+          </Tabs>
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export default App;

client/src/assets/react.svg

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client/src/components/ConsoleTab.tsx

@@ -0,0 +1,12 @@
+import { TabsContent } from "@/components/ui/tabs";
+
+const ConsoleTab = () => (
+  <TabsContent value="console" className="h-96">
+    <div className="bg-gray-900 text-gray-100 p-4 rounded-lg h-full font-mono text-sm overflow-auto">
+      <div className="opacity-50">Welcome to MCP Client Console</div>
+      {/* Console output would go here */}
+    </div>
+  </TabsContent>
+);
+
+export default ConsoleTab;

client/src/components/NotificationsTab.tsx

@@ -0,0 +1,33 @@
+import { Bell } from "lucide-react";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import { Textarea } from "@/components/ui/textarea";
+import { TabsContent } from "@/components/ui/tabs";
+
+const NotificationsTab = () => (
+  <TabsContent value="notifications" className="space-y-4">
+    <div className="grid grid-cols-2 gap-4">
+      <div className="space-y-4">
+        <div className="flex space-x-2">
+          <Input placeholder="Notification method" />
+          <Button>
+            <Bell className="w-4 h-4 mr-2" />
+            Send
+          </Button>
+        </div>
+        <Textarea
+          placeholder="Notification parameters (JSON)"
+          className="h-64 font-mono"
+        />
+      </div>
+      <div className="bg-white rounded-lg shadow p-4">
+        <h3 className="font-semibold mb-4">Recent Notifications</h3>
+        <div className="space-y-2">
+          {/* Notification history would go here */}
+        </div>
+      </div>
+    </div>
+  </TabsContent>
+);
+
+export default NotificationsTab;

client/src/components/RequestsTabs.tsx

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+import { TabsContent } from "@/components/ui/tabs";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import { Textarea } from "@/components/ui/textarea";
+import { Send } from "lucide-react";
+
+const RequestsTab = () => (
+  <TabsContent value="requests" className="space-y-4">
+    <div className="grid grid-cols-2 gap-4">
+      <div className="space-y-4">
+        <div className="flex space-x-2">
+          <Input placeholder="Method name" />
+          <Button>
+            <Send className="w-4 h-4 mr-2" />
+            Send
+          </Button>
+        </div>
+        <Textarea
+          placeholder="Request parameters (JSON)"
+          className="h-64 font-mono"
+        />
+      </div>
+      <div>
+        <div className="bg-gray-50 p-4 rounded-lg h-96 font-mono text-sm overflow-auto">
+          <div className="text-gray-500 mb-2">Response:</div>
+          {/* Response content would go here */}
+        </div>
+      </div>
+    </div>
+  </TabsContent>
+);
+
+export default RequestsTab;

client/src/components/ResourcesTab.tsx

@@ -0,0 +1,89 @@
+import { FileText, PlayCircle, ChevronRight, AlertCircle } from "lucide-react";
+import { Button } from "@/components/ui/button";
+import { Alert, AlertDescription, AlertTitle } from "@/components/ui/alert";
+import { TabsContent } from "@/components/ui/tabs";
+
+export type Resource = {
+  uri: string;
+};
+
+const ResourcesTab = ({
+  resources,
+  listResources,
+  readResource,
+  selectedResource,
+  setSelectedResource,
+  resourceContent,
+  error,
+}: {
+  resources: Resource[];
+  listResources: () => void;
+  readResource: (uri: string) => void;
+  selectedResource: Resource | null;
+  setSelectedResource: (resource: Resource) => void;
+  resourceContent: string;
+  error: string | null;
+}) => (
+  <TabsContent value="resources" className="grid grid-cols-2 gap-4">
+    <div className="bg-white rounded-lg shadow">
+      <div className="p-4 border-b border-gray-200">
+        <h3 className="font-semibold">Resources</h3>
+      </div>
+      <div className="p-4">
+        <Button
+          variant="outline"
+          className="w-full mb-4"
+          onClick={listResources}
+        >
+          <PlayCircle className="w-4 h-4 mr-2" />
+          List Resources
+        </Button>
+        <div className="space-y-2">
+          {resources.map((resource, index) => (
+            <div
+              key={index}
+              className="flex items-center p-2 rounded hover:bg-gray-50 cursor-pointer"
+              onClick={() => {
+                setSelectedResource(resource);
+                readResource(resource.uri);
+              }}
+            >
+              <FileText className="w-4 h-4 mr-2 text-gray-500" />
+              <span className="flex-1">{resource.uri}</span>
+              <ChevronRight className="w-4 h-4 text-gray-400" />
+            </div>
+          ))}
+        </div>
+      </div>
+    </div>
+
+    <div className="bg-white rounded-lg shadow">
+      <div className="p-4 border-b border-gray-200">
+        <h3 className="font-semibold">
+          {selectedResource ? selectedResource.uri : "Select a resource"}
+        </h3>
+      </div>
+      <div className="p-4">
+        {error ? (
+          <Alert variant="destructive">
+            <AlertCircle className="h-4 w-4" />
+            <AlertTitle>Error</AlertTitle>
+            <AlertDescription>{error}</AlertDescription>
+          </Alert>
+        ) : selectedResource ? (
+          <pre className="bg-gray-50 p-4 rounded text-sm overflow-auto max-h-96">
+            {resourceContent}
+          </pre>
+        ) : (
+          <Alert>
+            <AlertDescription>
+              Select a resource from the list to view its contents
+            </AlertDescription>
+          </Alert>
+        )}
+      </div>
+    </div>
+  </TabsContent>
+);
+
+export default ResourcesTab;

client/src/components/Sidebar.tsx

@@ -0,0 +1,39 @@
+import { Menu, Settings } from "lucide-react";
+import { Button } from "@/components/ui/button";
+
+const Sidebar = ({ connectionStatus }: { connectionStatus: string }) => (
+  <div className="w-64 bg-white border-r border-gray-200">
+    <div className="flex items-center p-4 border-b border-gray-200">
+      <Menu className="w-6 h-6 text-gray-500" />
+      <h1 className="ml-2 text-lg font-semibold">MCP Client</h1>
+    </div>
+
+    <div className="p-4">
+      <div className="flex items-center space-x-2 mb-4">
+        <div
+          className={`w-2 h-2 rounded-full ${
+            connectionStatus === "connected"
+              ? "bg-green-500"
+              : connectionStatus === "error"
+                ? "bg-red-500"
+                : "bg-gray-500"
+          }`}
+        />
+        <span className="text-sm text-gray-600">
+          {connectionStatus === "connected"
+            ? "Connected"
+            : connectionStatus === "error"
+              ? "Connection Error"
+              : "Disconnected"}
+        </span>
+      </div>
+
+      <Button variant="outline" className="w-full justify-start">
+        <Settings className="w-4 h-4 mr-2" />
+        Connection Settings
+      </Button>
+    </div>
+  </div>
+);
+
+export default Sidebar;

client/src/components/ui/alert.tsx

@@ -0,0 +1,59 @@
+import * as React from "react"
+import { cva, type VariantProps } from "class-variance-authority"
+
+import { cn } from "@/lib/utils"
+
+const alertVariants = cva(
+  "relative w-full rounded-lg border px-4 py-3 text-sm [&>svg+div]:translate-y-[-3px] [&>svg]:absolute [&>svg]:left-4 [&>svg]:top-4 [&>svg]:text-foreground [&>svg~*]:pl-7",
+  {
+    variants: {
+      variant: {
+        default: "bg-background text-foreground",
+        destructive:
+          "border-destructive/50 text-destructive dark:border-destructive [&>svg]:text-destructive",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+    },
+  }
+)
+
+const Alert = React.forwardRef<
+  HTMLDivElement,
+  React.HTMLAttributes<HTMLDivElement> & VariantProps<typeof alertVariants>
+>(({ className, variant, ...props }, ref) => (
+  <div
+    ref={ref}
+    role="alert"
+    className={cn(alertVariants({ variant }), className)}
+    {...props}
+  />
+))
+Alert.displayName = "Alert"
+
+const AlertTitle = React.forwardRef<
+  HTMLParagraphElement,
+  React.HTMLAttributes<HTMLHeadingElement>
+>(({ className, ...props }, ref) => (
+  <h5
+    ref={ref}
+    className={cn("mb-1 font-medium leading-none tracking-tight", className)}
+    {...props}
+  />
+))
+AlertTitle.displayName = "AlertTitle"
+
+const AlertDescription = React.forwardRef<
+  HTMLParagraphElement,
+  React.HTMLAttributes<HTMLParagraphElement>
+>(({ className, ...props }, ref) => (
+  <div
+    ref={ref}
+    className={cn("text-sm [&_p]:leading-relaxed", className)}
+    {...props}
+  />
+))
+AlertDescription.displayName = "AlertDescription"
+
+export { Alert, AlertTitle, AlertDescription }

client/src/components/ui/button.tsx

@@ -0,0 +1,57 @@
+import * as React from "react"
+import { Slot } from "@radix-ui/react-slot"
+import { cva, type VariantProps } from "class-variance-authority"
+
+import { cn } from "@/lib/utils"
+
+const buttonVariants = cva(
+  "inline-flex items-center justify-center whitespace-nowrap rounded-md text-sm font-medium transition-colors focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring disabled:pointer-events-none disabled:opacity-50",
+  {
+    variants: {
+      variant: {
+        default:
+          "bg-primary text-primary-foreground shadow hover:bg-primary/90",
+        destructive:
+          "bg-destructive text-destructive-foreground shadow-sm hover:bg-destructive/90",
+        outline:
+          "border border-input bg-background shadow-sm hover:bg-accent hover:text-accent-foreground",
+        secondary:
+          "bg-secondary text-secondary-foreground shadow-sm hover:bg-secondary/80",
+        ghost: "hover:bg-accent hover:text-accent-foreground",
+        link: "text-primary underline-offset-4 hover:underline",
+      },
+      size: {
+        default: "h-9 px-4 py-2",
+        sm: "h-8 rounded-md px-3 text-xs",
+        lg: "h-10 rounded-md px-8",
+        icon: "h-9 w-9",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+      size: "default",
+    },
+  }
+)
+
+export interface ButtonProps
+  extends React.ButtonHTMLAttributes<HTMLButtonElement>,
+    VariantProps<typeof buttonVariants> {
+  asChild?: boolean
+}
+
+const Button = React.forwardRef<HTMLButtonElement, ButtonProps>(
+  ({ className, variant, size, asChild = false, ...props }, ref) => {
+    const Comp = asChild ? Slot : "button"
+    return (
+      <Comp
+        className={cn(buttonVariants({ variant, size, className }))}
+        ref={ref}
+        {...props}
+      />
+    )
+  }
+)
+Button.displayName = "Button"
+
+export { Button, buttonVariants }

client/src/components/ui/input.tsx

@@ -0,0 +1,25 @@
+import * as React from "react"
+
+import { cn } from "@/lib/utils"
+
+export interface InputProps
+  extends React.InputHTMLAttributes<HTMLInputElement> {}
+
+const Input = React.forwardRef<HTMLInputElement, InputProps>(
+  ({ className, type, ...props }, ref) => {
+    return (
+      <input
+        type={type}
+        className={cn(
+          "flex h-9 w-full rounded-md border border-input bg-transparent px-3 py-1 text-sm shadow-sm transition-colors file:border-0 file:bg-transparent file:text-sm file:font-medium file:text-foreground placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring disabled:cursor-not-allowed disabled:opacity-50",
+          className
+        )}
+        ref={ref}
+        {...props}
+      />
+    )
+  }
+)
+Input.displayName = "Input"
+
+export { Input }

client/src/components/ui/tabs.tsx

@@ -0,0 +1,53 @@
+import * as React from "react"
+import * as TabsPrimitive from "@radix-ui/react-tabs"
+
+import { cn } from "@/lib/utils"
+
+const Tabs = TabsPrimitive.Root
+
+const TabsList = React.forwardRef<
+  React.ElementRef<typeof TabsPrimitive.List>,
+  React.ComponentPropsWithoutRef<typeof TabsPrimitive.List>
+>(({ className, ...props }, ref) => (
+  <TabsPrimitive.List
+    ref={ref}
+    className={cn(
+      "inline-flex h-9 items-center justify-center rounded-lg bg-muted p-1 text-muted-foreground",
+      className
+    )}
+    {...props}
+  />
+))
+TabsList.displayName = TabsPrimitive.List.displayName
+
+const TabsTrigger = React.forwardRef<
+  React.ElementRef<typeof TabsPrimitive.Trigger>,
+  React.ComponentPropsWithoutRef<typeof TabsPrimitive.Trigger>
+>(({ className, ...props }, ref) => (
+  <TabsPrimitive.Trigger
+    ref={ref}
+    className={cn(
+      "inline-flex items-center justify-center whitespace-nowrap rounded-md px-3 py-1 text-sm font-medium ring-offset-background transition-all focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50 data-[state=active]:bg-background data-[state=active]:text-foreground data-[state=active]:shadow",
+      className
+    )}
+    {...props}
+  />
+))
+TabsTrigger.displayName = TabsPrimitive.Trigger.displayName
+
+const TabsContent = React.forwardRef<
+  React.ElementRef<typeof TabsPrimitive.Content>,
+  React.ComponentPropsWithoutRef<typeof TabsPrimitive.Content>
+>(({ className, ...props }, ref) => (
+  <TabsPrimitive.Content
+    ref={ref}
+    className={cn(
+      "mt-2 ring-offset-background focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2",
+      className
+    )}
+    {...props}
+  />
+))
+TabsContent.displayName = TabsPrimitive.Content.displayName
+
+export { Tabs, TabsList, TabsTrigger, TabsContent }

client/src/components/ui/textarea.tsx

@@ -0,0 +1,24 @@
+import * as React from "react"
+
+import { cn } from "@/lib/utils"
+
+export interface TextareaProps
+  extends React.TextareaHTMLAttributes<HTMLTextAreaElement> {}
+
+const Textarea = React.forwardRef<HTMLTextAreaElement, TextareaProps>(
+  ({ className, ...props }, ref) => {
+    return (
+      <textarea
+        className={cn(
+          "flex min-h-[60px] w-full rounded-md border border-input bg-transparent px-3 py-2 text-sm shadow-sm placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring disabled:cursor-not-allowed disabled:opacity-50",
+          className
+        )}
+        ref={ref}
+        {...props}
+      />
+    )
+  }
+)
+Textarea.displayName = "Textarea"
+
+export { Textarea }

client/src/index.css

@@ -0,0 +1,137 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+:root {
+  font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;
+  line-height: 1.5;
+  font-weight: 400;
+
+  color-scheme: light dark;
+  color: rgba(255, 255, 255, 0.87);
+  background-color: #242424;
+
+  font-synthesis: none;
+  text-rendering: optimizeLegibility;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+a {
+  font-weight: 500;
+  color: #646cff;
+  text-decoration: inherit;
+}
+a:hover {
+  color: #535bf2;
+}
+
+body {
+  margin: 0;
+  display: flex;
+  place-items: center;
+  min-width: 320px;
+  min-height: 100vh;
+}
+
+h1 {
+  font-size: 3.2em;
+  line-height: 1.1;
+}
+
+button {
+  border-radius: 8px;
+  border: 1px solid transparent;
+  padding: 0.6em 1.2em;
+  font-size: 1em;
+  font-weight: 500;
+  font-family: inherit;
+  background-color: #1a1a1a;
+  cursor: pointer;
+  transition: border-color 0.25s;
+}
+button:hover {
+  border-color: #646cff;
+}
+button:focus,
+button:focus-visible {
+  outline: 4px auto -webkit-focus-ring-color;
+}
+
+@media (prefers-color-scheme: light) {
+  :root {
+    color: #213547;
+    background-color: #ffffff;
+  }
+  a:hover {
+    color: #747bff;
+  }
+  button {
+    background-color: #f9f9f9;
+  }
+}
+
+@layer base {
+  :root {
+    --background: 0 0% 100%;
+    --foreground: 222.2 84% 4.9%;
+    --card: 0 0% 100%;
+    --card-foreground: 222.2 84% 4.9%;
+    --popover: 0 0% 100%;
+    --popover-foreground: 222.2 84% 4.9%;
+    --primary: 222.2 47.4% 11.2%;
+    --primary-foreground: 210 40% 98%;
+    --secondary: 210 40% 96.1%;
+    --secondary-foreground: 222.2 47.4% 11.2%;
+    --muted: 210 40% 96.1%;
+    --muted-foreground: 215.4 16.3% 46.9%;
+    --accent: 210 40% 96.1%;
+    --accent-foreground: 222.2 47.4% 11.2%;
+    --destructive: 0 84.2% 60.2%;
+    --destructive-foreground: 210 40% 98%;
+    --border: 214.3 31.8% 91.4%;
+    --input: 214.3 31.8% 91.4%;
+    --ring: 222.2 84% 4.9%;
+    --chart-1: 12 76% 61%;
+    --chart-2: 173 58% 39%;
+    --chart-3: 197 37% 24%;
+    --chart-4: 43 74% 66%;
+    --chart-5: 27 87% 67%;
+    --radius: 0.5rem;
+  }
+  .dark {
+    --background: 222.2 84% 4.9%;
+    --foreground: 210 40% 98%;
+    --card: 222.2 84% 4.9%;
+    --card-foreground: 210 40% 98%;
+    --popover: 222.2 84% 4.9%;
+    --popover-foreground: 210 40% 98%;
+    --primary: 210 40% 98%;
+    --primary-foreground: 222.2 47.4% 11.2%;
+    --secondary: 217.2 32.6% 17.5%;
+    --secondary-foreground: 210 40% 98%;
+    --muted: 217.2 32.6% 17.5%;
+    --muted-foreground: 215 20.2% 65.1%;
+    --accent: 217.2 32.6% 17.5%;
+    --accent-foreground: 210 40% 98%;
+    --destructive: 0 62.8% 30.6%;
+    --destructive-foreground: 210 40% 98%;
+    --border: 217.2 32.6% 17.5%;
+    --input: 217.2 32.6% 17.5%;
+    --ring: 212.7 26.8% 83.9%;
+    --chart-1: 220 70% 50%;
+    --chart-2: 160 60% 45%;
+    --chart-3: 30 80% 55%;
+    --chart-4: 280 65% 60%;
+    --chart-5: 340 75% 55%;
+  }
+}
+
+@layer base {
+  * {
+    @apply border-border;
+  }
+  body {
+    @apply bg-background text-foreground;
+  }
+}

client/src/lib/utils.ts

@@ -0,0 +1,6 @@
+import { clsx, type ClassValue } from "clsx"
+import { twMerge } from "tailwind-merge"
+
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs))
+}

client/src/main.tsx

@@ -0,0 +1,10 @@
+import { StrictMode } from "react";
+import { createRoot } from "react-dom/client";
+import App from "./App.tsx";
+import "./index.css";
+
+createRoot(document.getElementById("root")!).render(
+  <StrictMode>
+    <App />
+  </StrictMode>,
+);

client/src/vite-env.d.ts

@@ -0,0 +1 @@
+/// <reference types="vite/client" />