Facebook get mentions (tagged)

gistfile1.rb

require 'koala'
me = Koala::Facebook::API.new 'AAAC...'  # get this from https://developers.facebook.com/tools/explorer  - get user_status,manage_pages permissions

pages = me.get_connections('me', 'accounts')
# Find your page's access token

nrb = Koala::Facebook::API.new 'AAAC...'  # see acting as a page https://github.com/arsduo/koala/wiki/Acting-as-a-Page

feed = nrb.get_connection('me', 'tagged')

# Accumulate the feed

mentions = feed.select { |p| ! p["message_tags"].nil? }  # Sometimes tagged posts don't have tags

puts mentions.collect { |m| m["from"]["name"] }

# Then check if it is a person