Silk Central integrates with Jenkins / Hudson for Continuous Integration Testing.
To download the plug-ins, access the Jenkins/Hudson downloads from the following links:
https://wiki.jenkins-ci.org/display/JENKINS/SCTMExecutor
http://wiki.hudson-ci.org/display/HUDSON/SCTMExecutor
This also provides overview as to how it works.
There is a Knowledge Base article showing how to enable this integration here:
microfocus.telligenthosting.net/.../20742.enabling-jenkins-integration-with-silk-central-test-manager.aspx