# github-label-sync > A command-line interface for synchronizing GitHub labels. > More information: . - Synchronize labels using a local `labels.json` file: `github-label-sync --access-token {{token}} {{repository_name}}` - Synchronize labels using a specific labels JSON file: `github-label-sync --access-token {{token}} --labels {{url|path/to/json_file}} {{repository_name}}` - Perform a dry run instead of actually synchronizing labels: `github-label-sync --access-token {{token}} --dry-run {{repository_name}}` - Keep labels that aren't in `labels.json`: `github-label-sync --access-token {{token}} --allow-added-labels {{repository_name}}` - Synchronize using the `GITHUB_ACCESS_TOKEN` environment variable: `github-label-sync {{repository_name}}`