"An open-source vector database for similarity search and AI applications" matching MCP connectors:

I Ching hexagram casts, 64 hexagram meanings and changing lines for AI agents.

Vedic kundli, panchang, dashas, nakshatras and KP charts for AI agents, one API key.

300 contemplative moving art works by César Yagüe. Search, browse, get recommendations.

MET Museum collection via MCP — 500K+ artworks, metadata, provenance, open-access images.

MCP server for Project Gutenberg — 75,000+ public-domain ebooks with full plain-text retrieval.

Source-traceable Saju, Zi Wei, Qimen, Daliuren, Tieban, naming, and related calculations

Read-only Wheel of Heaven corpus: myth search, primary texts, datasets, typed graph. CC0.

Spain's contributions to world science, exploration and culture, rigorously sourced

Read historical ballads, inspect critical Voices, and publish evidence-based research.

Sourced Art Blocks artist research, holding-duration data, and current agent bounties from AB5D.

Read-only MCP for the Gingerguide catalog of European cities and their narrated tour sights.

2,400 castles, fortresses & palaces: name search, nearby, fame ranking, statistics. No key, CC0.

Search transcribed painting lessons. Results cite the exact lesson and Vimeo timestamp.

Quran: Quran API Service with 90+ different languages and 400+ translations.

Chinese almanac: lunar calendar, BaZi 八字, daily 宜忌, lucky-day picker, public holidays.

Daily panchang, festivals, muhurta and birth details, identical to the HinduCalendar Android app.

Semantic search over the Stoic corpus — Marcus Aurelius' Meditations, Seneca's essays, and Epictetus' Discourses, Enchiridion and Fragments. Search by theme or citation, fetch any passage, or get the daily reflection. Public domain translations, no auth.

Complete classical & world literature — search + cite exact passages, facing sources, 50+ languages.

qart.uk MCP server: resolve scanned codes, browse the free pool, and buy QR artwork.

Read-only access to S. Araba Lawson's Afromorphism essays, glossary, books, and site.