Underanchor

Enables auditing of every citation in a LaTeX or Markdown manuscript (English or Portuguese) against the actual passage in the cited PDF, verifying quotes literally, fetching sources from local folders, Zotero, arXiv and open-access APIs, and flagging bibliography problems such as retractions or missing DOIs. It also drafts and safely applies approved rewrites or new evidence-backed paragraphs in the .tex file with validation, encoding preservation and backups.

Provides local academic literature search and writing support by querying OpenAlex, arXiv, and Crossref, downloading open-access PDFs, extracting IMRaD sections, and appending BibTeX references.

Enables AI writing assistants to retrieve citable evidence from local PDFs and verify draft citations against their sources locally, providing verifiable support for claims.

Assists in writing academic papers by extracting, organizing, and referencing scientific PDFs with ABNT formatting.