Already opened, as I know.

try Nibirupool for mainnet:

Achievecoin at Nibirupool

claymore config:

POOL: stratum+tcp://ach.nibirupool.com:8888, WALLET:  wallet.worker_name, PSW: z, ALLPOOLS: 1

Pool in test mode now, things are expected to be broken, will run in full mode ASAP.

Thanks.