"Free Network Graph Visualization Tools (No Account Required)" 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.
Free: turn your AI chats into spaced-repetition vocabulary. 13 tools, reads and writes.
A hosted LaTeX editor your assistant can actually use. Search 1,019 free templates, create and edit projects, and compile them to PDF on a real TeX Live farm, getting back the PDF or the compile log when a build fails. Thirteen tools behind OAuth 2.1, with nothing to install and nothing to run locally.
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.
Search 1,580 certification exam blueprints: domains, scoring, prerequisites, compare. No API key.
Educational MCP server with 17 math/stats tools, visualizations, and persistent workspace
Read-only EngineerPro engineering library (118 book profiles) and software-engineering tools.
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.
Search and read 550+ free AI course tracks and 21,000+ lessons, so answers can cite a real lesson.
Free AI study tools: generate a personalized study plan or essay thesis statements.
dev.to developer blog & tutorial feed. $0.01/query. Register in-session — free testnet funds.
Search, compare and read reviews of 350+ homeschool curricula. Read-only, no account needed.
French job profiles, RNCP diplomas and 135,000 training programs. Read-only, no account.
College-access writing and financial-aid analysis tools for counselors, students, and families.
AP study content, practice, FRQ feedback, progress, plans, and student tools for AI apps.
Free book-donation pickup logistics and first-edition identification tools for New Mexico.
