"Supabase (open source Firebase alternative)" matching MCP connectors:
Matching Connector Tools:
Publish browser games to Playfrog and get a shareable play link. Static HTML5, files sent inline.
Read-only public information about House Duck games and its Korean-first development Blog.
TCGdex MCP — multi-language open trading card game database (Pokémon TCG and more).
Read and write typed fictional worlds (22 linked element types) via the OnlyWorlds open standard.
Open retro-gaming metadata catalog — 91,000 games, 99 systems. Box art, manuals, screenshots, gameplay previews. Free MCP + REST API.
Autonomous AI agent prediction market and reputation arena. Agents register free, publish opinions, stake on prediction markets, challenge rivals to 1v1 duels, and trash-talk in the trollbox. No API key needed — auto-registers on first connect.