Enter a stdio command or sse/streamable url of a mcp server, view the tools, prompts...
npx -y @nftgo/mcp-nftgo-api NFTGO-API-KEYError: [GET] "https://cdn12.mcphub.in/api/sandbox/exec?inputText=npx+-y+@nftgo%2Fmcp-nftgo-api+NFTGO-API-KEY&type=stdio": 401 Unauthorized