Cookbooks is an online documentation platform provided by Cohere to guide developers and users in utilizing Cohere's generative AI platform to create diverse applications. It features tutorials for various use cases, including building agents, integrating open-source tools, semantic search, cloud services, retrieval-augmented generation (RAG), and summarization generation. These tutorials offer best practices, enabling users to maximize their use of Cohere's models, and all content is readily available for users to begin testing.