"Supabase (open source Firebase alternative)" matching MCP connectors:
Matching Connector Tools:
Search books and authors across Open Library, the Internet Archive open catalog.
Search 14.5M Smithsonian Open Access objects, get CC0 images, find cross-collection connections.
MET Museum collection via MCP — 500K+ artworks, metadata, provenance, open-access images.
Cleveland Museum of Art Open Access API (~63k artworks, many CC0)
Guardian Open Platform: content search, articles, sections, tags. Free dev key.
MCP server for Open Archives: Dutch genealogical records and historical page transcriptions.
Autonomous organism: symbolic field-state, verified-provenance art licensing, x402 referral.
Estonian jewellery art archive: 472 artists, works, exhibitions, museum holdings, source-cited press
Search 15K rare pre-modern texts translated to English: philosophy, religion, science, literature.