Zotero Plugins Atlas
Plugins

MetaSync

by sebastian-rink · github.com/sebastian-rink/zotero-metasync

MetaSync – Anreicherung und Korrektur von Zotero-Metadaten aus Online-Bibliotheksquellen

View source
Downloads a .xpi file (0.06 MB). In Zotero, open Tools → Plugins and install it from the file.
StarsPeople who starred the repository on GitHub: a rough measure of interest.
0
DownloadsAll-time downloads of its release files from GitHub. Installs from elsewhere aren't counted.
0
ContributorsPeople who have committed code to the repository.
1
LicenceThe licence the code is published under, as GitHub reports it.
AGPL-3.0
B
Atlas gradeUse with care
because a zotero:// link (a web page can open one) can make it install add-ons without asking you (from zotero-plugin-toolkit), and 1 more finding
Applies to v0.1.0, released 28 Jun 2026Code checked · tested installed in Zotero 9.0.6 on 27 Sep 2026
Doesn't work with the current Zotero (10)Works with Zotero 9.
What we found in the codeSets the gradeThe worst finding in these three areas sets the grade.
Code transparencyReadable code, uploaded by the project's automated GitHub buildThe release file was uploaded by the project's automated GitHub build. We haven't yet rebuilt it from the source to compare.LowLow concern: normal for plugins that do this job. Listed so you know.
Updates
Updates come from this project's GitHub repositoryThe update address offers this version
Where your data goesOnly contacts services we could identify6 addresses in 2 groups.LowLow concern: normal for plugins that do this job. Listed so you know.
Scholarly services (5)
api.crossref.orgseen when we ran itIt contacted this address when we ran it in Zotero.api.semanticscholar.orgdoi.orgnamed in its codeThe address is in its code, but we didn't trace a request to it. It may be a link or unused.openlibrary.orgservices.dnb.de
Apps you connect (1)
www.googleapis.com
Where we found it
api.crossref.orgcontent/scripts/metasync.js · line 3708
const url = `https://api.crossref.org/works/${encodeURIComponent(trimmed)}?mailto=mail@sebastianrink.de`;
api.semanticscholar.orgcontent/scripts/metasync.js · line 3981
const url = `https://api.semanticscholar.org/graph/v1/paper/search?query=${encodeURIComponent(t)}&fields=${encodeURIComponent(fields)}&limit=5`;
openlibrary.orgcontent/scripts/metasync.js · line 3757
const url = `https://openlibrary.org/api/books?bibkeys=${encodeURIComponent(bibkey)}&format=json&jscmd=data`;
Powerful capabilitiesA zotero:// link (a web page can open one) can make it install add-ons without asking you, and 2 moreMediumMedium concern: worth reading before you install. One medium finding makes the grade B.
A zotero:// link (a web page can open one) can make it install add-ons without asking you (from zotero-plugin-toolkit)mediumMedium concern: worth reading before you install.A zotero:// link can make it run code if you approve a prompt (from zotero-plugin-toolkit)mediumMedium concern: worth reading before you install.Stores API keys or passwordslowLow concern.
Where we found it
A zotero:// link (a web page can open one) can make it install add-o…content/scripts/metasync.js · line 129

zotero://plugin

Services.io.getProtocolHandler("zotero").wrappedJSObject._extensions["zotero://plugin"] = pluginBridgeExtension;
A zotero:// link can make it run code if you approve a promptcontent/scripts/metasync.js · line 85

zotero://ztoolkit-debug

Services.io.getProtocolHandler("zotero").wrappedJSObject._extensions["zotero://ztoolkit-debug"] = debugBridgeExtension;
Before you installShown, not gradedFacts to help you decide. They don't change the grade.
Works withZotero 9 · not 10, 11 betaDoesn't work with the current Zotero (10)MediumMedium concern: worth reading before you install. One medium finding makes the grade B.
Zotero 9 ✓ worksZotero 10 ✗ doesn't workZotero 11 beta ✗ doesn't work
What you'll needAn API key for some featuresDetected automatically from its code
No further detail for this area yet.
MaintenanceActive · last release 28 Jun 20261 contributor
No further detail for this area yet.
LanguagesDocumentation in EnglishInterface: German, English and Chinese
No further detail for this area yet.
We report what we found in the code. Open any area for the evidence.How we gradeReport a problem

What it does

Description coming soon. We haven't written a summary yet. The line above is the developer's own description; the developer's README is linked above.

What you'll need

Detected automatically
  • An API key for some featuresWorks without one: Crossref, Open Library, DNB and Semantic Scholar lookups. Needs a key (Google Books API): Google Books lookups can use a Google API key.
  • Zotero 9Not working with Zotero 10

Where your data goes

We found: only contacts services we could identify. 6 addresses in 2 groups.

Scholarly services (5)
api.crossref.orgseen when we ran itapi.semanticscholar.orgdoi.orgnamed in its codeopenlibrary.orgservices.dnb.de
Apps you connect (1)
www.googleapis.com
Evidence · file and line
api.crossref.orgcontent/scripts/metasync.js · line 3708
const url = `https://api.crossref.org/works/${encodeURIComponent(trimmed)}?mailto=mail@sebastianrink.de`;
api.semanticscholar.orgcontent/scripts/metasync.js · line 3981
const url = `https://api.semanticscholar.org/graph/v1/paper/search?query=${encodeURIComponent(t)}&fields=${encodeURIComponent(fields)}&limit=5`;
openlibrary.orgcontent/scripts/metasync.js · line 3757
const url = `https://openlibrary.org/api/books?bibkeys=${encodeURIComponent(bibkey)}&format=json&jscmd=data`;

Forks and alternatives

No forks listed.

The developer's response

The developer hasn't responded. Developers can reply here, and their reply sits next to our findings.I'm the developer
Install MetaSync
BUse with care
Before you install: A zotero:// link (a web page can open one) can make it install add-ons without asking you (from zotero-plugin-toolkit), and 1 more finding.Read the finding