cosm-cli

~$ gem in cosm                                                                                                                                                                
Fetching: cosm-0.0.7.gem (100%)
Successfully installed cosm-0.0.7
1 gem installed

~$ cosm subscribe -k KEY -f 38997                                                                                
Subscribing to updates for /feeds/38997
{"status":200,"resource":"/feeds/38997"}