Crossref DOI Citation Export — CSL JSON Metadata

Crossref Academic Paper Search

ryanclinton/crossref-paper-search

Search over 150 million scholarly works indexed by Crossref -- the largest open registry of DOI metadata in the world. Retrieve structured publication data including titles, authors with ORCID identifiers, citation counts, journal names, funding information, abstracts, and more. No API key required.

Crossref Scraper | 13 Fields, 50K Works/Run, No API Key

themineworks/crossref-scholarly-metadata

Scrape 150M+ scholarly works from Crossref: DOIs, authors, journals & citation counts by topic, year and type. Clean structured JSON for bibliometrics, literature reviews and RAG. No API key. Use it as an MCP server in Claude, ChatGPT & AI agents.

DataCite DOI Scraper - Research Metadata Search

benthepythondev/datacite-doi-scraper

Search DataCite DOI metadata for titles, creators, publishers, resource types, subjects, abstracts, dates and canonical DOI links.

Pokemon Card Japan Sold Prices — Raw vs Graded per Card

jpmarketdata/japan-tcg-sold-comps

Type a Japanese card name and get what each card sold for on Yahoo! Auctions and Mercari, by set, number and rarity. Returns median sold prices (sold comps) for raw and graded copies apart, the PSA/BGS multiple and a shop ask. $0.02 per name, charged only when a sale matches a card. Unofficial.

Vinted Asking Prices — Median, Range & Favourites

jpmarketdata/vinted-price-checker

Type a keyword and get what sellers ask for that item on Vinted, on the country site you pick. Returns listings found, median and average price, lowest–highest and favourite counts, measured on the first 120 listings. $0.02 per keyword, +$0.002 per listing if wanted; no results = free. Unofficial.

Crossref DOI Metadata QA Checker

nexgenwatch/crossref-doi-metadata-qa

A per-DOI QA verdict from official Crossref metadata — each DOI returns valid, not_found, or metadata_incomplete with every missing required field named. Billed per definitive verdict.

Crossref DOI Scraper - Scholarly Metadata & Citations

thirdwatch/crossref-doi-scraper

Search Crossref or resolve exact DOIs. Export titles, authors, publishers, journals, publication dates, citation counts, ISSNs, ISBNs, licenses, and DOI links. Built for research and data pipelines. No login, cookies, or API keys — clean JSON output and pay-per-result pricing.

Crossref Works Scraper — DOIs, Authors & Citations

devilscrapes/crossref-works-scraper

Search Crossref's 150M+ DOI registry by bibliographic query and metadata filters, and export title, publisher, journal, full author list with ORCID and affiliation, citation counts, funder/award data, license, ISSN, and abstract as clean JSON, CSV, or Excel.

Crossref Scraper — Scholarly Works, DOIs & Citations

hipersoft/crossref-scraper

Bulk-scrape scholarly works from Crossref's 150M+ record index: DOI, title, authors (with ORCID), journal, publisher, publication date, citation count, references, ISSN, subjects and abstract. Full-text search, date and type filters, thousands of results per run. No setup.

Crossref Scholarly Metadata Scraper

scrapers_lat/crossref-scraper

Scrape scholarly works with DOI, title, type, publisher, journal, publication year, authors and citation count. Search by keyword. Export to JSON, CSV or Excel.