Chrome Web StoreNo malware found
In code review (v2026.7.1)
Our reviewer read version 2026.7.1 — the most recent version we have reviewed — and found no malicious behaviour. The version shown here has not been individually reviewed yet.
What our analysis found
Lean Library, used by 200,000 people, showed no malicious code in Extension Auditor's review. Its permissions mean it can read and change data on all websites. It comes from a trusted publisher and was last updated in October 2026.
Analyst notes
The extension is a well-established library resource access tool with 200k users, a trusted publisher badge, and a featured listing. The provided UI code ( and) shows legitimate React components for settings and popups. Broad host permissions are necessary for its core function of detecting paywalls and injecting access links across all sites. No data exfiltration or malicious behavior was observed in the reviewed files. The ML risk score is 0.00, and the permhash cluster contains 0% malware. The third-party risk score indicates low likelihood of maliciousness. External resources such as the [domain withheld] font CDN are part of a legitimate academic integration, and analytics events are likely covered by the publisher's privacy policy.
Lean Library Chrome extension security report
ID: hghakoefmnkhamdhenpbogkeopjlkpoa
Supported Languages
Extension Info & Metadata
Publisher Contextual Analysis
- Author
- https://leanlibrary.com
- Privacy
- Privacy Policy
- Help
- Help Center
- Country
- GB
- MX records exist
- Yes
- Domain exists
- Yes
- Is disposable
- No
- Is role-based
- Yes
- Mailbox exists
- Yes
- Address
- 1 Oliver's Yard City Road London EC1Y 1SP GB
- Website
- Visit
Screenshots & videos
Install growth
About this extension
A library-approved tool to unlock access to academic papers.
Read the publisher’s full description
Providing an uninterrupted research rhythm Lean Library is a free end-to-end research tool that brings your library’s services and resources directly into your research workflow, no matter where you start your research. Whether you are discovering and accessing academic content or saving references, Lean Library puts your library right at the heart of every research journey. Instantly and legally unlock millions of academic articles, eBooks, and open access content, avoid paywalls, and receive customised guidance from your library. Save references, highlight and annotate content, get journal alerts, and build information literacy skills with article retraction alerts and trust ratings—all from within your browser. Ready to start using Lean Library? Install the extension, select your institution and begin researching! Even if you aren’t affiliated with an institution, you can still get quick and seamless redirection to open access materials absolutely free by downloading the extension and selecting Lean Library Open as your library. Please note, the Lean Library browser extension works together with Lean Library Workspace. Create an account at workspace.leanlibrary.com. Coming from Sciwheel? Welcome! Lean Library now includes all your favourite Sciwheel features, plus much more. Install today to get started.
User reviews
Extension files
Browse and explore files within this extension package
Gain full insight into all external connections.
Upgrade for full visibility.
No network indicators were extracted from this version.
Code Diff
Compare extension code between any two versions.
0 changed files detected
No comparable text files found between these versions.
Gain full insight into all external connections.
Upgrade for full visibility.
Related extensions
Popular in productivity/workflow
- ClassLink OneClick Extension14,000,000 users
- Clever13,000,000 users
- Volume Booster5,000,000 users
- Gopher Buddy4,000,000 users
- ClassLink Analytics+4,000,000 users