fix mcp servers

create-agentic-app/template/.mcp.json

@@ -1,24 +1,17 @@
 {
   "mcpServers": {
-    "shadcn-unix": {
+    "shadcn": {
       "command": "npx",
       "args": ["shadcn@latest", "mcp"]
     },
-    "shadcn-windows": {
-      "command": "cmd",
-      "args": ["/c", "npx", "shadcn@latest", "mcp"]
-    },
-    "playwright-unix": {
+    "playwright": {
       "command": "npx",
       "args": [
         "@playwright/mcp@latest"
       ]
     },
-    "playwright-windows": {
-      "command": "cmd",
-      "args": ["/c", "npx", "@playwright/mcp@latest"]
-    },
     "context7": {
+      "type": "http",
       "url": "https://mcp.context7.com/mcp",
       "headers": {
         "CONTEXT7_API_KEY": "YOUR_API_KEY"