Search scholarly works (articles, books, datasets, preprints, theses) in OpenAlex. Use 'query' for full-text keyword search. Use 'filters' to narrow by year, type, institution, open access, citation count, etc. Filter syntax: 'publication_year:2020-2024,type:article,open_access.is_oa:true'. Sort options: 'cited_by_count:desc', 'publication_date:desc', 'relevance_score:desc'. Returns title, DOI, authors, year, citation count, open-access status.

Retrieve full metadata for a single scholarly work. Accepts an OpenAlex ID (W-number), DOI (bare '10.x/y' or full URL), PubMed ID ('pmid:12345678'), or MAG ID. Returns title, abstract, all authors with affiliations, topics, citation count, open-access URL, referenced works count, and more.

Search researchers/authors in OpenAlex by name or filter by institution, ORCID, citation count, etc. Returns OpenAlex ID, name, ORCID, h-index, works count, cited-by count, and current affiliation. Use openalex_get_author for full profile.

Retrieve the full profile for a researcher: name, ORCID, h-index, i10-index, works count, total citations, last known affiliation, top research topics, and year-by-year citation counts. Accepts an OpenAlex Author ID (A-number) or ORCID.

Search universities, research institutes, hospitals, and other organizations in OpenAlex. Returns the OpenAlex institution ID (needed for work filters), ROR ID, name, country, type, and publication/citation counts. Use the returned 'openalex_id' in openalex_search_works filter: 'institutions.id:{id}'

Retrieve full details for a university or research institution: name, country, type, ROR ID, total works, total citations, h-index, homepage URL, and top research topics. Accepts an OpenAlex Institution ID (I-number) or ROR ID.

Search journals, conference proceedings, repositories, and other publication venues in OpenAlex. Returns ISSN, publisher, open-access status, h-index, works count, and citation count. Use the returned 'openalex_id' in work filters: 'primary_location.source.id:{id}'

Get full details for a journal, conference, or repository: ISSN, publisher, open-access status, DOAJ listing, total works, citations, h-index, i10-index, and top research topics. Accepts OpenAlex Source ID (S-number) or ISSN.

Aggregate (count/group) works by a field to get distribution statistics. Useful for: annual publication trends, breakdown by type or language, top institutions by output, open-access percentage, topic distribution. Returns a list of {key, label, count} groups sorted by count descending. Combine with 'filters' to scope the analysis (same syntax as openalex_search_works).