MCP connectors by io.github.pipeworx-io
UNESCO Institute for Statistics (UIS) MCP — keyless.
DOAJ MCP — Directory of Open Access Journals
Sefaria MCP — the free digital library of Jewish texts.
Wiktionary MCP — multilingual dictionary via Wikimedia REST + MediaWiki Action API
Universities MCP — Hipolabs Universities API (free, no auth)
Codeforces competitive programming users, contests, problems
Wordnik English dictionary: definitions, examples, related words, WotD.
Jisho.org Japanese-English dictionary MCP (keyless).
Codewars user profiles, completed kata, authored kata, kata detail. Keyless.
LeetCode public profiles, solved counts, daily question, problem detail.
Open Library MCP — Internet Archive's open book metadata
Merriam-Webster MCP — wraps the Merriam-Webster Collegiate Dictionary and