The Veritas High Availability agents provide out-of-the-box support of many enterprise applications as well as a wide range of replication technologies. For a complete list of agents supported, please visit https://sort.symantec.com/agents. The agents monitor specific resources within an enterprise application. They determine the status of resources and start or stop them according to external events. Agents are released every quarter to extend support for newer versions of OS platform; and VCS/ApplicationHA releases. 

Here is a list of links to recently available Veritas Cluster Server high availability Agents:

High Availability Agents - AgentPack-1Q2013 release

High Availability Agents - AgentPack-4Q2012 release

High Availability Agents - AgentPack-3Q2012 release

Here is a link to agents that support Intelligent Monitoring Framework:

https://www.symantec.com/connect/blogs/vcs-agents-support-imf-intelligent-monitoring-framework