Add local helper script for cookie uploading

upload_cookies.py

@@ -0,0 +1,57 @@
+#!/usr/bin/env python3
+import json
+import sys
+import argparse
+import httpx
+import asyncio
+
+async def upload_cookies(url, cookie_file):
+    try:
+        with open(cookie_file, 'r') as f:
+            cookies = json.load(f)
+            cookies_str = json.dumps(cookies)
+    except Exception as e:
+        print(f"Error reading {cookie_file}: {e}")
+        return
+
+    # MCP tool call payload
+    payload = {
+        "jsonrpc": "2.0",
+        "id": 1,
+        "method": "tools/call",
+        "params": {
+            "name": "upload_cookies",
+            "arguments": {
+                "cookies_json": cookies_str
+            }
+        }
+    }
+
+    # Construct the /mcp endpoint if not provided
+    if not url.endswith('/mcp'):
+        url = url.rstrip('/') + '/mcp'
+
+    print(f"Uploading cookies to {url}...")
+    
+    async with httpx.AsyncClient(timeout=30.0) as client:
+        try:
+            response = await client.post(url, json=payload)
+            response.raise_for_status()
+            result = response.json()
+            
+            if "error" in result:
+                print(f"Error from server: {result['error']}")
+            else:
+                print(f"Server response: {result['result']['content'][0]['text']}")
+                
+        except Exception as e:
+            print(f"Failed to upload cookies: {e}")
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(description="Upload cookies.json to Schwab MCP server")
+    parser.add_argument("file", help="Path to cookies.json")
+    parser.add_argument("--url", default="http://localhost:8160", help="MCP server URL (default: http://localhost:8160)")
+    
+    args = parser.parse_args()
+    
+    asyncio.run(upload_cookies(args.url, args.file))