"Services or tools available for free without requiring an API key" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Search thousands of free transparent PNG clipart images. Free for commercial use, no attribution.
Search thousands of free SVG cut files & clipart. Free for commercial use, no attribution.
BaZi four pillars, Chinese zodiac, lunisolar calendar and almanac days for AI agents.
Kua numbers, Eight Mansions, Flying Star charts and annual afflictions for AI agents.
Free Vedic astrology: panchang, kundali, transits, matching, doshas, eclipses, numerology
I Ching hexagram casts, 64 hexagram meanings and changing lines for AI agents.
Free walking tours & activities in 1,000+ cities — live availability, ratings & booking links.
Vedic kundli, panchang, dashas, nakshatras and KP charts for AI agents, one API key.
Original art from galleries and artists: semantic search, provenance, live availability.
A one-stop creative pipeline for AI agents: generate, upscale, enrich, sign, store, mint. 24 paid MCP tools powered by Stable Diffusion, Imagen 3, ESRGAN, and Gemini — plus 53K+ museum artworks from Alexandria Aeternum. Three payment rails, volume discounts, and a free trial to start.
Catalog MCP for kwnva.design case studies, studio profile, and project inquiries.
MCP server for Project Gutenberg — 75,000+ public-domain ebooks with full plain-text retrieval.
Search Chinese books with Douban ratings, AI book guides and curated toplists. Free, no API key.
Divination for AI agents: Hafez, Tarot, I Ching, Runes, Geomancy, and the five-oracle Council.
Read-only Bazi, True Solar Time, and Chinese almanac tools in English and Traditional Chinese.
Wikiviews MCP — wraps the Wikimedia Pageviews API (free, no auth)
Books MCP — wraps Open Library API (free, no auth)
Short, finished fiction to discover by mood, genre or reading time inside ChatGPT.
Read-only tools for current SofiaStage events, venues, cities, performers, and editorial.
Search Artsdata for authoritative data on Canadian events, artists, organizations, and places.
