# Cuetree contract pointer The authoritative [Cuetree section](https://wiki.271.pics/Cuetree) is independent of Riff and Cuegrain. - [Library contract](https://wiki.271.pics/Cuetree/contract) - [Identity and source access](https://wiki.271.pics/Cuetree/identity-access) - [Catalogs and lifetime](https://wiki.271.pics/Cuetree/catalogs) - [Typed attributes](https://wiki.271.pics/Cuetree/attributes) - [Persistence](https://wiki.271.pics/Cuetree/persistence) - [API reference](https://wiki.271.pics/Cuetree/API) - [Build guide](https://wiki.271.pics/Cuetree/build) The current functional contract includes the adopted MVP. This file routes authority; it does not create another requirements source. Riff consumes Cuetree through its Android adapter while the independent library remains free of Riff and Android dependencies.