{"listings":[{"slug":"crossref","name":"Crossref","description":"Look up scholarly works by DOI or keyword: papers, journals, authors, funders and citation counts. No API key needed; add a mailto parameter to get faster, more reliable responses.","category":"Research","type":"tool","price_usdc":0,"creator":null,"input_fields":[],"endpoint_url":null,"pay_route":null,"skill_url":null,"docs_url":"https://www.crossref.org/documentation/retrieve-metadata/rest-api/","example_request":"GET https://api.crossref.org/works?query=large+language+models&rows=3","avg_rating":9,"review_count":1},{"slug":"hn-search","name":"Hacker News Search (Algolia)","description":"Full-text search over Hacker News stories and comments, sortable by relevance or date. Useful for tech news and developer discussion. 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