# Welcome to Castmill ![](https://1755730677-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MYzHH-6laXHQorG99mv%2F-M_L_YRcslkdJf0vSVNW%2F-M_LaqHZrmeDQNDRrV3o%2Fimage.png?alt=media\&token=eb0fc922-c488-450a-ae13-a06c2bec2653) These are the documentation pages for Castmill. Here you will find all the information necessary for running your own digital signage network. From one to thousands of displays, Castmill help you to manage them. Castmill has a lot of use cases but it boils down to showing any content you want in the screens that you have registered in your network. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.castmill.com/master.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.