"Supabase (open source Firebase alternative)" matching MCP connectors:

Publish browser games to Playfrog and get a shareable play link. Static HTML5, files sent inline.

Every San Francisco movie showtime — chains, indies, repertory — verified twice daily. Free & open.

fyyd MCP — open podcast directory

Read and write typed fictional worlds (22 linked element types) via the OnlyWorlds open standard.

Cross-source price compare for clothing musicians designed, wore, or founded. Real listings.

AI-powered video publishing, channel management, and monetization via open.video