"Resources or tools for conducting in-depth research" matching MCP connectors:

Free walking tours & activities in 1,000+ cities — live availability, ratings & booking links.

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.

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.

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.

Buddhist canon tools: search, passages, cross-canon parallels, dictionaries — all URN-cited.

Quotes MCP — citation-grade quote API for public-domain authors.

Search, navigate, and explore the Quran through 8 MCP tools — verses, surahs, lemmas, roots, and morphology. Hosted at mcp.quran.us.kg.

MCP server for Open Archives: Dutch genealogical records and historical page transcriptions.

Search the curated directory of professional muralists and street artists in the Netherlands.

Agenda Rio — events and cultural agenda for Rio de Janeiro: shows, exhibitions, and things to do.

Agenda SP — events and cultural agenda for São Paulo: shows, exhibitions, and things to do.

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

Japan data tools for AI agents: calendar (rokuyo), address, name splitting, corporate number lookup

Korean Four Pillars (Saju/BaZi) calculator: pillars, elements, ten gods, sinsal, luck cycles.

Art-tourism data for AI agents: biennales, art fairs, museums, layover itineraries with 2026 facts.

Read Hebrew Bible (Tanakh) verses & chapters in 10 languages, plus guided study plans.

Cultural color and colour intelligence API. Every colour anchored to a named person, a documented year, and a consequence. 34 archives spanning literary, cultural, pigment, and national traditions. Ask it what color could get you executed in the Ottoman Empire.

Real-time booking, 7-currency pricing, and FAQ for Reykjavik's Viking portrait photo studio.