research-paper-search
Search across 250M+ academic papers to find relevant research. Filter by open access, year range, and sort by relevance, citations, or recency.
Instructions
Academic paper search across 250M+ works via OpenAlex (free, no key). Returns top papers with title, authors, year, DOI, citation count, open-access status, and primary research topic. Covers all disciplines: AI/ML, medicine, physics, economics, law, biology, and more. Supports relevance, citation-count, and recency sorting; open-access filtering; and year-range constraints. Use for literature review, prior-art search, citation building, or finding the seminal papers in any field.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| query | No | Search query. Natural-language or keyword (e.g. 'transformer attention mechanism', 'CRISPR gene editing cancer', 'bitcoin game theory'). | |
| limit | No | Number of papers to return (1–10). Default: 5. | |
| sort | No | Sort order. relevant = OpenAlex relevance score; cited = most-cited first; recent = newest first. Default: relevant. | |
| min_year | No | Only return papers published this year or later (e.g. 2020). Optional. | |
| open_access_only | No | If true, only return open-access papers with freely available PDFs. Default: false. |