This reporitory contains several samples of Nagios plugins that grabs metrics from Nudge APM API to control the way your application works.
You need a Nudge APM account : https://www.nudge-apm.com/.
Other requirements depend on each plugin. Specific documentations for each plugin explains those requirements.
If you have some batch jobs that should run regularly, you can check their executions with this plugin.
Control your application performance index (APDEX).