Enter a stdio command or sse/streamable url of a mcp server, view the tools, prompts...
npx -y pushover-mcp@latest start --token YOUR_TOKEN --user YOUR_USERError: [GET] "https://cdn12.mcphub.in/api/sandbox/exec?inputText=npx+-y+pushover-mcp@latest+start+--token+YOUR_TOKEN+--user+YOUR_USER&type=stdio": 401 Unauthorized