The jQuery foundation recently rebooted their plugin registry to drive all contributions to it out of git. I thought you might be interested in reviewing how they set it up and see if any ideas might apply to Forge plugin registry, both in terms of how a plugin is registered and plugin discovery.

Announcement:

Plugin Registry:

GitHub repo:

https://github.com/jquery/plugins.jquery.com

-Dan
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Principal Software Engineer, Red Hat | Author of Seam in Action
Registered Linux User #231597