Verifies that every bibliography entry actually exists by cross-checking Crossref, OpenAlex, Semantic Scholar, and arXiv (no API key required) plus doi.org DOI registration, fuzzy-matching title and authors (difflib ratio >= 0.70), flagging retractions recorded by Crossref (including Retraction Watch data) or OpenAlex, and emitting per-entry JSON verdicts in the AlterLab citation-hallucination…
Install
npx skills add AlterLab-IEU/AlterLab-Academic-Skills --skill alterlab-citation-verifiernpx skills add AlterLab-IEU/AlterLab-Academic-Skills --skill alterlab-citation-verifier -a claude-code -gnpx skills add AlterLab-IEU/AlterLab-Academic-Skills --skill alterlab-citation-verifier -a codex -ggemini skills install https://github.com/AlterLab-IEU/AlterLab-Academic-Skills.git --path skills/core/alterlab-citation-verifiergh skill install AlterLab-IEU/AlterLab-Academic-Skills alterlab-citation-verifiergit clone --depth 1 https://github.com/AlterLab-IEU/AlterLab-Academic-Skills /tmp/AlterLab-IEU__AlterLab-Academic-Skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/AlterLab-IEU__AlterLab-Academic-Skills/skills/core/alterlab-citation-verifier ~/.claude/skills/alterlab-citation-verifier # Claude Code
cp -R /tmp/AlterLab-IEU__AlterLab-Academic-Skills/skills/core/alterlab-citation-verifier ~/.agents/skills/alterlab-citation-verifier # Codex, Cursor, Gemini CLI, Copilot, OpenCode