Packaging skills with libraries/CLIs and letting agents discover them from installed packages makes a lot of sense. I see Harbor as addressing a different layer on top of that: organizational collection, cataloging, provenance, governance, and safety.

  Yes, I agree that MCP-based prompt/skill delivery would be a very interesting direction.

  If tooling vendors broadly supported MCP prompts, an MCP server could become a dynamic distribution layer for team-managed skills, which would remove a lot of sync-oriented workflow.

  My current assumption is that we still need something Git-native today because:
  - skills are mostly authored and reviewed in Git
  - teams need provenance and governance around them
  - tool support for MCP prompt delivery is still incomplete

  So I see Harbor more as a practical system for the current ecosystem, not necessarily the final shape.