Research Corpus & Citation Graph Builder

Common Crawl Corpus Builder

zentrafoundry/common-crawl-targeted-corpus-builder

Build targeted text corpora from Common Crawl with provenance.

OpenCitations Scraper: Citation Graph

themineworks/opencitations-citation-graph

Scrape the OpenCitations INDEX (1.6B links) by DOI. Get all citing papers, cited references, dates and self citation flags. No API key. Free tier. Works in Claude, ChatGPT and any MCP agent for citation graphs and literature reviews.

Citation Generator API

dev00/citation-generator-api

Generate citation metadata for any book, article, URL, DOI, PMID, or arXiv ID.

Academic Paper Scraper

labrat011/academic-paper-scraper

Search MILLIONS of academic papers from Semantic Scholar and arXiv by keyword, DOI, or citation graph. Returns titles, authors, abstracts, citation counts, and open access PDFs as clean JSON. Works as an MCP tool for AI agents.

Website Links Graph Generator

crawlerbros/web-link-graph-visualizer

Creates an oriented graph visualizing links between webpages. Outputs: graph.png (visual network diagram) and graph.json (structured data) saved to Key-Value Store, plus detailed dataset of all crawled pages. Configure depth, boundaries, and layout.

Open Citations Scraper

parseforge/open-citations-scraper

Comprehensive OpenCitations scraper for extracting citation and reference data from OpenCitations API. Perfect for researchers, academics, and data scientists who need automated access to citation networks, bibliographic metadata, and citation analysis data.

Google Knowledge Graph

seemuapps/google-knowledge-graph

Enrich a list of entity names (people, companies, places, things) with metadata from the Google Knowledge Graph.

Pubmed Citation Scraper

parseforge/pubmed-citation-scraper

Automate collection of detailed citation information from the world's largest biomedical literature database. Extract complete citation data including titles, authors, abstracts, publication dates, journals, DOIs, MeSH terms, and more from NCBI's PubMed database.