Enter a stdio command or sse/streamable url of a mcp server, view the tools, prompts...
npx @plainsignal/plainsignal-mcp --token <your_access_token>Error: [GET] "https://cdn12.mcphub.in/api/sandbox/exec?inputText=npx+@plainsignal%2Fplainsignal-mcp+--token+%3Cyour_access_token%3E&type=stdio": 401 Unauthorized