It is a simple extension that adds a submenu to the context menu to easily search things on the Community Market. Select text and right-click on it to search on the Community Market. Alternatively, you can right-click on a link to a game on Steam Store and click "Search this game".
Released under MIT License. You can find this extension's source code here — https://github.com/Yusyuriv/Community_Market_Search_for_Chrome