This app was mentioned in 3 comments, with an average of 1.00 upvote
Actually yes there is ... try CLMonitor, its a great app for monitoring CL for anything you could want ... and it has filters to exclude words and phrases you don't want to see ... you can get it here for free ...
https://play.google.com/store/apps/details?id=com.clmonitor20
How about monitoring craigslist, there are all kinds of new odd jobs for students to grab ... you just have to be the first to respond. This android app can help.
https://play.google.com/store/apps/details?id=com.clmonitor20
Yes this app is now live, it gives real time alerts so you won't miss anything on CL. You can download it here.
https://play.google.com/store/apps/details?id=com.clmonitor20