# Chaindesk >[Chaindesk](https://chaindesk.ai) is an [open source](https://github.com/gmpetrov/databerry) document retrieval platform that helps to connect your personal data with Large Language Models. ## Installation and Setup We need to sign up for Chaindesk, create a datastore, add some data and get your datastore api endpoint url. We need the [API Key](https://docs.chaindesk.ai/api-reference/authentication). ## Retriever See a [usage example](/docs/integrations/retrievers/chaindesk). ```python from langchain.retrievers import ChaindeskRetriever ```