"Web search services that don't require an API key" 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.
300 contemplative moving art works by César Yagüe. Search, browse, get recommendations.
qart.uk MCP server: resolve scanned codes, browse the free pool, and buy QR artwork.
2,400 castles, fortresses & palaces: name search, nearby, fame ranking, statistics. No key, CC0.
Buddhist canon tools: search, passages, cross-canon parallels, dictionaries — all URN-cited.
Read-only Wheel of Heaven corpus: myth search, primary texts, datasets, typed graph. CC0.
Read, search and cite all 81 chapters of the Tao Te Ching, with per-rendering attribution.
Observatory-grade Indian astronomy, years -5000..+5000: positions, eclipses, panchang date search.
Search books and authors across Open Library, the Internet Archive open catalog.
Search 14.5M Smithsonian Open Access objects, get CC0 images, find cross-collection connections.
Quotes MCP — citation-grade quote API for public-domain authors.
Cleveland Museum of Art Open Access API (~63k artworks, many CC0)
AniList MCP — wraps AniList GraphQL API (free, no auth)
Guardian Open Platform: content search, articles, sections, tags. Free dev key.
Comic Vine: characters, issues, volumes, creators, publishers. Free key.
Search, navigate, and explore the Quran through 8 MCP tools — verses, surahs, lemmas, roots, and morphology. Hosted at mcp.quran.us.kg.