# Omeka S Blueprints > A shared JSON format to describe an Omeka S environment. A blueprint is a JSON file that describes an Omeka S environment. Tools such as Omeka S Playground and Omeka-S-Cli apply it. The JSON Schema is at https://omeka-s-contrib.github.io/omeka-s-blueprints/schema/v0/blueprint-schema.json ## Specification - [Overview](): What a blueprint is and which tools consume it - [Reference](): Every top-level key and its fields - [Schema](): Schema URLs, partials and versioning ## Examples - [Examples](): Copy-pasteable blueprints