Adds Sci-Hub, LibGen, and LibSTC buttons to Google Scholar results
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📌 Introduction: Google Scholar to Sci-Hub Userscript
This userscript enhances Google Scholar by adding quick access buttons to Sci-Hub, LibGen, and LibSTC for academic papers, making it easier to find free PDFs.
🔹 Features:
✅ Adds [PDF] and [NoPDf] Sci-Hub button with real-time availability check
✅ Adds [PDF] and [NoPDf] LibGen button to search for papers by title
✅ Adds [PDF] and [NoPDf] LibSTC button (for papers after 2020) by extracting DOI
✅ Automatically updates when new search results appear
