Paid tool · $5 per scan

Citation Gap Analysis

The reverse of a citation-verifier: find prior art the manuscript should cite but doesn't. Catches the "you ignored my paper" reviewer complaint before it happens.

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What it flags

Canonical papers in the field that any expert reviewer would expect cited.
Method or framework foundational references the manuscript builds on without citation.
Near-identical prior findings the authors should differentiate against.
Dataset, technique, or theory references missing from the bibliography.

Each suggestion is tagged with the section it belongs in, why a reviewer would notice the omission, and (when known) the candidate authors and title. Always verify suggestions against your own field knowledge — AI recall can be wrong.

FAQ

How does this differ from the bibliography validator?

The free BibTeX Validator checks the citations you DO have for accuracy and existence. This tool finds the citations you DON'T have but should. Different direction.

What if it suggests papers that aren't actually relevant?

AI recall is imperfect. We mark each suggestion as a candidate to verify, not a definitive call. If a specific scan is low-quality, email ben@purplelink.llc — we'll refund the $5.