Abstract: The subject matter of this specification can be embodied in, among other things, a method that includes obtaining, in response to a determination that one or more tools are relevant to a search query or search results, code for presenting user interface controls with the search results, wherein selection of a particular presented user interface control results in performing an operation corresponding to a particular tool for manipulating the search results, and wherein the code is configured to present the user interface controls for the determined tools more prominently than user interface controls for one or more others of the tools that were not determined to be relevant to the search query or the search results.