POST /sse HTTP/1.1
Host: 174.138.116.231:9999
User-Agent: Go-http-client/1.1
Content-Length: 58
Accept: application/json, text/event-stream
Content-Type: application/json
Accept-Encoding: gzip
Connection: close

{"id":2,"jsonrpc":"2.0","method":"tools/list","params":{}}