CocoaPods trunk is moving to be read-only. Read more on the blog, there are 19 months to go.

AdvancedOperationKit 0.5

You want to add pod 'AdvancedOperationKit', '~> 0.5' similar to the following to your Podfile:

target 'MyApp' do
  pod 'AdvancedOperationKit', '~> 0.5'
end

Then run a pod install inside your terminal, or from CocoaPods.app.

Alternatively to give it a test run, run the command:

pod try AdvancedOperationKit

Wrapper framework based on Apple’s WWDC 2015 session ‘Advanced NSOperations’.