"OpenAI's Web Retrieval Infrastructure" matching MCP connectors:

Libgen MCPA

io.github.jmrplens

Federated search of books and papers, BibTeX/RIS citations, open-access retrieval and reading.

Read-only discovery and retrieval of current public Straight Line Golf Pro coaching resources.

Read-only BSB and WEB Scripture evidence with provenance, context, comparison, and search.

Escola de Rádio TV & Web (ER+)A

br.com.escoladeradio.www

Cursos, turmas, vagas, professores, podcasts e blog da Escola de Rádio (ER+) — read-only.

CareerOneStop MCP — wraps the CareerOneStop Web API (U.S. Dept. of Labor)

Build dictionaries & glossaries with AI: entries, senses, versions, print PDF, EPUB, web reader, RTL

Quizlar — voice-powered AI flashcards with spaced repetitionOAuth

io.github.quizlar

Voice-led, FSRS-scheduled flashcards from YouTube, PDFs, web, or text. Auto-graded quizzes.