# OSCAL Community Knowledge Base > Knowledge base documentation for OSCAL Community Knowledge Base. ## OSCAL Content Registry (OCR) - [MAOC January 2024](https://docs.oscal.io/docs/moac-january-2024.md) - [The Case for a Public Registry](https://docs.oscal.io/docs/case-for-public-registry.md) - [Getting Started with the OSCAL Content Registry](https://docs.oscal.io/docs/getting-started-with-oscal-registry.md) - [API Reference](https://docs.oscal.io/docs/api-reference.md) - [The Case for an OSCAL Viewer](https://docs.oscal.io/docs/the-case-for-an-oscal-viewer.md) - [Getting Started with the OSCAL Viewer](https://docs.oscal.io/docs/getting-started-with-the-oscal-viewer.md) - [OSCAL REST OpenAPI](https://docs.oscal.io/docs/oscal-rest-openapi.md) - [Overview](https://docs.oscal.io/docs/rest-overview.md) - [Primary Endpoints](https://docs.oscal.io/docs/primary-endpoints.md) - [Content Identifiers](https://docs.oscal.io/docs/content-identifiers.md) - [Attachment Management](https://docs.oscal.io/docs/attachment-management.md) - [Snapshot Management](https://docs.oscal.io/docs/snapshot-endpoints.md) - [Profile Resolution Management](https://docs.oscal.io/docs/profile-resolution-management.md) - [Format Specification](https://docs.oscal.io/docs/format-specification.md) - [Supporting Information](https://docs.oscal.io/docs/supporting-information.md) - [OpenAPI Specification Viewer](https://docs.oscal.io/docs/openapi-specification-viewer.md) - [Usage Scenarios](https://docs.oscal.io/docs/scenarios.md)