Ban Checker for Steam

Extension to check bans of people you recently played with (or your friends and groups members). It also works on Counter-Strike specific pages.

You can now change default API Key to your own (in case Valve bans default one and you don't want to wait for update). Go to extension's options page to do so.

Github: https://github.com/ge-ku/Ban-Checker-for-Steam

Script works on pages with URIs that follow such patterns:
*://steamcommunity.com/id/*/friends*
*://steamcommunity.com/profiles/*/friends*

Example: http://steamcommunity.com/my/friends/coplay