---
title: assembler content-source cli namespace
description: Inspect and validate repository entries in the link registry. 
url: https://docs-v3-preview.elastic.dev/docs-builder/cli/assembler/content-source
products:
  - Elastic Docs Builder
---

# assembler content-source cli namespace
```bash
docs-builder assembler content-source --help
```

Inspect and validate repository entries in the link registry.

## Commands

<page-card>
  Check whether a repository at a specific branch or tag should be included in the next build.
</page-card>

<page-card>
  Verify that every repository in the assembler configuration has an active published entry in the link registry.
</page-card>