"Identifying Servers Without Any API Key Configuration" matching MCP connectors:
Matching Connector Tools:
Free Vedic astrology: panchang, kundali, transits, matching, doshas, eclipses, numerology
Vedic kundli, panchang, dashas, nakshatras and KP charts for AI agents, one API key.
Search 2,500+ curated architecture, design, photography and art projects. Free tier, no signup.
2,400 castles, fortresses & palaces: name search, nearby, fame ranking, statistics. No key, CC0.
Agent integration with the Northwestern University Libraries Digital Collections API
Art provenance intelligence — 282K-node knowledge graph with cited answers and honest gaps.
French cultural events search with multi-reseller ticket price comparison (theatre, concerts...)
Deterministic Korean Saju / BaZi Four Pillars MCP. Day Master, five elements, compatibility.
Search 15K rare pre-modern texts translated to English: philosophy, religion, science, literature.
Deterministic Korean Saju / Chinese BaZi Four Pillars MCP server. Heavenly Stems, Earthly Branches, Day Master, five-element distribution, and 0-100 compatibility. No AI, no API key.
Quotes MCP — citation-grade quote API for public-domain authors.
Colour intelligence API with 23,000+ historically grounded colours across 59 archives. Maps hex values to named archive colours with provenance, cultural risk, WCAG accessibility, and brand palette analysis.
Descubre eventos en España: filtra por texto, categoría, ubicación, precio y fecha. 38 categorías.
Guardian Open Platform: content search, articles, sections, tags. Free dev key.
AniList MCP — wraps AniList GraphQL API (free, no auth)
Cultural color intelligence. Every colour anchored to a person, a year, and a consequence.