Paper Lookup
Gives Claude access to 10 academic databases through their REST APIs: PubMed, PMC, bioRxiv, medRxiv, arXiv, OpenAlex, Crossref, Semantic Scholar, CORE, and Unpaywall. You can search for papers by topic, look up DOIs or PMIDs, pull citation graphs, find open access PDFs, grab full text, or search by author. The skill includes a decision matrix that maps your query to the right database combination, so asking for "CRISPR papers with PDFs" hits PubMed for discovery and Unpaywall for open access links. Most databases work without auth, though a few like NCBI and CORE run faster with API keys. The instructions are thorough about identifier formats, rate limits, and cross-database workflows. Good for literature reviews or pulling research without leaving the editor.
- skills.sh installs
- 2.4K
- GitHub stars
- 56.6K
- last updated
- Aug 21, 2026
Install
$ npx -y skills add k-dense-ai/scientific-agent-skills --skill paper-lookup --agent claude-codeInstalls into .claude/skills of the current project.
Files
Paper Lookup
This skill gives you 18 scholarly APIs with documented endpoints. Your job is to turn the user's intent into a reproducible retrieval: pick the authoritative database(s), make bounded and rate-limited calls, and return an answer with enough provenance (endpoints, parameters, identifiers, access date) that a human or another agent can repeat it.
A literature lookup is only as trustworthy as it is repeatable. Prefer explicit identifiers and documented endpoints over broad guessing, report what you queried, and say plainly when a result is partial or a database came back empty — a silent gap reads as "nothing exists" when it may just mean "not indexed here."
Endpoint contracts were reviewed against official documentation on 2026-09-30. Response examples are illustrative shapes or explicitly dated historical captures; counts, prices, availability, and status values are not current lookup results. Selected public smoke calls and offline parser tests do not establish authenticated full-text access.
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- Repository
- github.com/k-dense-ai/scientific-agent-skills
- Categories
- Backend & APIs, AI & Agent Building, Data Science & ML, Office & Documents, Databases
- First seen
- Jun 3, 2026
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- Research Grants2.1K
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- Pytorch Lightning2.1K
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