There exists the CompED-Systematic-Analysis of Open Access CSed Datasets:
https://docs.google.com/spreadsheets/d/1jWdemuCXdjKTVWihuIiHlmmlAqZKfx7haehEOev1pBg/edit?usp=sharing
The SPLICE dataset catalog should somehow relate to this spreadsheet. Perhaps periodically/automatically pull records from it, or provide functionality at least as convenient as using a spreadsheet for filtering and search.