iThenticate is a research integrity tool from Turnitin that checks manuscripts, grant proposals, theses and other high-stakes documents for text similarity against a content database. Its Similarity Report highlights matching text and links to the sources, and a…
The LLM Citation Verifier is an open-source plugin by DWFlanagan for the LLM command-line tool that checks academic citations against the Crossref database while a model is generating text. The model calls a verify_citation tool with a DOI,…
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Metacheck is an open-source R package that checks research outputs for best practices, using text search, R code and, optionally, queries to large language models. Its 26 modules cover areas such as preregistrations, ethics approval, funding and conflict-of-interest…
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In September 2023 Morressier and Copyleaks announced that Copyleaks’ detection of plagiarism and AI-generated text would be available through Morressier’s Integrity Manager, to help academic societies and publishers identify plagiarism and AI-generated content. The detection is built into…
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Springer Nature’s Research Integrity Group deployed this tool, then called Geppetto, in November 2023 to detect AI-generated text in manuscripts, which Springer Nature describes as a classic indication of paper mill activity. Springer Nature developed it with its…
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Pangram is an AI text detection service from Pangram Labs, which AI researchers founded in Brooklyn, New York, in 2023. It estimates whether a text was produced by AI, how much of a document is AI-generated and whether…
The Papermill Alarm is an early-warning system from Clear Skies that alerts journal editors to papers showing signs of papermilling. Adam Day, who created it, describes it as detecting trends in the template titles and abstracts that paper…
Penelope.ai, based in London, is an online tool that checks whether manuscripts meet a journal’s requirements, with more than 30 checks that journals can select, mark as critical and customise the feedback for. The checks cover ethics, declarations…
MDPI signed a multi-year agreement with Proofig AI in September 2025 after a pilot, and began using it first on selected biomedical journals, with plans to extend it to more titles. The editorial team decides whether a manuscript’s…
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Proofig AI’s AI-generated image detection finds AI-generated images in scientific manuscripts as part of its image integrity platform, which also checks for duplication and manipulation. The user uploads a PDF or DOCX manuscript, Proofig scans all the images,…
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ReviewerZero is an integrity checking service for manuscripts and published papers, from ReviewerZero AI, a company based in Boulder, Colorado, which Daniel Acuña of the University of Colorado Boulder founded in 2023. Its site lists 12 areas and…
SciScore, from SciCrunch Inc., checks the methods sections of manuscripts for reporting rigour and transparency before peer review, screening against the MDAR, ARRIVE and CONSORT guidelines and flagging issues such as missing RRIDs, blinding, randomisation, power analysis and…
Second Opinion is a confidential research integrity investigation service from Molecular Connections for publishers, editors and research compliance officers, which it made available in May 2025 and formally announced on 7 October 2025. It combines subject matter experts…
Elsevier’s Research Collaboration Unit ran a project, led by Anita de Waard and Joshua Fisher, to build a text-mining tool that finds statements in clinical trial reports corresponding to the items in the CONSORT reporting guideline. The project…
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Sleuth AI is an AI research integrity assistant built into Signals Manuscript Checks, which lets editorial and integrity teams ask questions of a manuscript and surface the evidence. In its first release, which uses pre-defined prompts, it extracts…
