"A server for interacting with PostgreSQL and executing SQL scripts" matching MCP connectors:
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Federated search of books and papers, BibTeX/RIS citations, open-access retrieval and reading.
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.
Look up a guitar chord by name and get a text chord diagram. 12,708 standard-tuning names.
Spain's contributions to world science, exploration and culture, rigorously sourced
Free: turn your AI chats into spaced-repetition vocabulary. 13 tools, reads and writes.
Search Shakespeare monologues, plays, paraphrases and summaries from shakespeare-monologues.org
8 curriculum, classroom, accommodations and exam-prep skill products. 5 of 7 free.
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.
7 research navigation, thesis, note-taking and citation skill products. 6 of 8 free.
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.
Words-in-context vocabulary practice questions with distractor explanations.
Source discipline for Torah study in Claude: read the real texts, quote exactly, never fabricate
Search US colleges and compare historical admissions, costs and aid using public federal data.
Build your mentoring inquiry with Marian Kamenistak: formal offer in 16 minutes, 16% AI discount.
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
Search the Greenlit AI books, read any chapter one free, and look up the terms they define.
