At your/somebody’s disposal
Definition 1 of 1
Pro Tip 1/3Generosity
Indicates offering help or resources without expecting anything in return. 
During the fundraiser, the artist had her paintings at the audience's disposal.
Pro Tip 2/3Responsiveness
Suggests promptness and willingness to assist whenever help is required. 
Tech support will be at your disposal 24/7 to resolve any issues immediately.
Pro Tip 3/3Empowerment
Empowers the person by providing them with control over the use of something. 
With the entire database at your disposal, you can find the information you need.