Download scientific paper PDFs by DOI (or title) — 7-source fallback chain (Unpaywall, Semantic Scholar, arXiv, PubMed Central, bioRxiv/medRxiv, publisher direct, Sci-Hub), batch mode, idempotent retries, structured JSON envelope, and SSRF-safe downloads
Add the marketplace (inside Claude Code):
/plugin marketplace add Agents365-ai/365-skillsInstall the plugin:
/plugin install paper-fetch