"Free servers for hosting or online services" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
8 curriculum, classroom, accommodations and exam-prep skill products. 5 of 7 free.
7 research navigation, thesis, note-taking and citation skill products. 6 of 8 free.
Create and manage quizzes, question banks, and translations; capture and manage leads, respondents, and bookings; and pull stats and funnel analytics on RooQuiz — a lightweight assessment platform for lead capture and viral sharing.
Free: turn your AI chats into spaced-repetition vocabulary. 13 tools, reads and writes.
Couples therapist Figs O'Sullivan (LMFT, 17 years, endorsed by Sue Johnson, creator of EFT) inside your AI. Ask relationship questions answered from his clinical writing, name the pattern in a fight, get a three-step repair, or preview your relational Wisdom Score. Anonymous, stateless, no sign-in.
Riddle.com is a no-code platform for quizzes, surveys, personality tests, prediction games, interactive graphics, and leaderboards. Use the MCP to create, edit and analyze content.
DeepMark helps teachers deliver rapid, consistent marking with meaningful feedback for every student — in a fraction of the time. What once took a week, now takes one free period.
Dream symbol interpretation and dream-dictionary lookups for AI agents, one API key.
Angel number meanings and repeating sequences like 111, 222, 333 for AI agents.
I Ching hexagram casts, 64 hexagram meanings and changing lines for AI agents.
Step-by-step solver for linear/quadratic equations in one variable, signs and ± always right.
Deterministic Music Theory for Claude, Cursor, and Autonomous AI Agents Large Language Models (LLMs) frequently hallucinate music theory, leading to incorrect notes, false Roman numerals, and broken voice leading. THIRI solves this by providing a deterministic, mathematical music-theory engine (pitch-class-set theory over ℤ/12) directly to your AI. It gives AI assistants precise, reproducible harmonic reasoning in milliseconds, allowing them to write correct musical scores, analyze progression
Read-only Pattern-Assist corpus for aspiring software engineers: grounded dev patterns with sources.
Source discipline for Torah study in Claude: read the real texts, quote exactly, never fabricate
AnySkills online school: build courses, lessons and tests, publish, track student progress.
Sourced diamond and gemology tools for AI assistants, with 90 encyclopedia entries.
Search the Greenlit AI books, read any chapter one free, and look up the terms they define.
Free AI study tools: generate a personalized study plan or essay thesis statements.
Search and read 550+ free AI course tracks and 21,000+ lessons, so answers can cite a real lesson.
MCP adapter for the Paxaver school community platform. Streamable HTTP, OAuth 2.1, capability auth.