CA APM for IBM WebSphere MQ lets you monitor the performance of WebSphere MQ and WebSphere MB.
Does the MQMonitor User need to be member of the "mqbrkrs" group?
WebSphere MB 7.0 or 8.0
No, the MQMonitor User does not need to be present in the "mqbrkrs" group, if it has the required permissions as per the link below.
Minimum Security Requirements to Monitor a Remote WebSphere MB 7.0 Broker or greater