"npx @modelcontextprotocol/server-everything sse"does not start -> Not connected

[sven09]

Maybe, I am just blind or dump. What am i missing?

My intention was to just run the everything server. After 5 seconds i am getting a "Not Connected".

Any hint is welcome.

Thanks

npx @modelcontextprotocol/server-everything sse
Starting SSE server...
Server is running on port 3001
file:///Users/mister/.npm/_npx/5b2dd62b9d0bddd4/node_modules/@modelcontextprotocol/sdk/dist/esm/shared/protocol.js:305
            throw new Error("Not connected");
                  ^

Error: Not connected
    at Server.notification (file:///Users/mister/.npm/_npx/5b2dd62b9d0bddd4/node_modules/@modelcontextprotocol/sdk/dist/esm/shared/protocol.js:305:19)
    at Timeout._onTimeout (file:///Users/mister/.npm/_npx/5b2dd62b9d0bddd4/node_modules/@modelcontextprotocol/server-everything/dist/everything.js:118:20)
    at listOnTimeout (node:internal/timers:581:17)
    at process.processTimers (node:internal/timers:519:7)

Node.js v20.19.2