Zotero Plugins Atlas
Plugins / Citing & writing

LitGap

by Yu-TingSun · github.com/Yu-TingSun/LitGap

Find missing papers in your Zotero library

Citing & writingAI & summaries
View source
Downloads a .xpi file (0.08 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.
14
ContributorsPeople who have committed code to the repository.
2
LicenceThe licence the code is published under, as GitHub reports it.
MIT
A+
Atlas gradeRecommended
because every code check came out low, and our live test in Zotero found nothing unexpected
Applies to v3.1.0, released 30 May 2026Code checked · tested installed in Zotero 10.0.3 on 27 Sep 2026
What we found in the codeSets the gradeThe worst finding in these three areas sets the grade.
Code transparencyReadable code; not yet checked against the published sourceThe developer uploaded the release file from the Yu-TingSun account. We haven't yet checked whether this file matches the public source code.UnknownWe couldn't check this yet.
Updates
Updates come from this project's GitHub repositoryThe update address offers this version
Where your data goesOnly contacts services we could identify11 addresses in 3 groups.LowLow concern: normal for plugins that do this job. Listed so you know.
AI services (6)
api.anthropic.comapi.deepseek.comnamed in its codeThe address is in its code, but we didn't trace a request to it. It may be a link or unused.api.moonshot.cnnamed in its codeThe address is in its code, but we didn't trace a request to it. It may be a link or unused.api.openai.comdashscope.aliyuncs.comnamed in its codeThe address is in its code, but we didn't trace a request to it. It may be a link or unused.generativelanguage.googleapis.com
Scholarly services (4)
api.semanticscholar.orgseen when we ran itIt contacted this address when we ran it in Zotero.doi.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.scholar.google.comnamed in its codeThe address is in its code, but we didn't trace a request to it. It may be a link or unused.www.semanticscholar.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.
On your computer (1)
localhostnamed in its codeThe address is in its code, but we didn't trace a request to it. It may be a link or unused.
Where we found it
api.anthropic.commodules/aiClient.js · line 210
const url = 'https://api.anthropic.com/v1/messages';
api.openai.commodules/aiClient.js · line 190
return this._callOpenAI('https://api.openai.com', apiKey, model, prompt, systemPrompt, tokens);
generativelanguage.googleapis.commodules/aiClient.js · line 285
const url = `https://generativelanguage.googleapis.com/v1beta/models/${model}:generateContent?key=${apiKey}`;
Powerful capabilitiesStores API keys or passwords, and 1 moreLowLow concern: normal for plugins that do this job. Listed so you know.
Stores API keys or passwordslowLow concern.Works with files on your computerlowLow concern.
Before you installShown, not gradedFacts to help you decide. They don't change the grade.
Works withZotero 7, 8, 9, 10, 11 betaUpdates automatically
Zotero 7 ✓ worksZotero 8 ✓ worksZotero 9 ✓ worksZotero 10 ✓ worksZotero 11 beta ✓ works
What you'll needAn API key for some featuresDetected automatically from its code
No further detail for this area yet.
MaintenanceActive · last release 30 May 20262 contributors
No further detail for this area yet.
LanguagesDocumentation in EnglishInterface language not declared
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: Find Hidden Papers, which uses the free Semantic Scholar API. Needs a key (Anthropic, OpenAI and Google Gemini): the Map Your Research Field feature needs an AI provider key (Anthropic, OpenAI, Google or a custom endpoint).
  • Or: a model on your own computerIt can use a local model such as Ollama

Where your data goes

We found: only contacts services we could identify. 11 addresses in 3 groups.

AI services (6)
api.anthropic.comapi.deepseek.comnamed in its codeapi.moonshot.cnnamed in its codeapi.openai.comdashscope.aliyuncs.comnamed in its codegenerativelanguage.googleapis.com
Scholarly services (4)
api.semanticscholar.orgseen when we ran itdoi.orgnamed in its codescholar.google.comnamed in its codewww.semanticscholar.orgnamed in its code
On your computer (1)
localhostnamed in its code
Evidence · file and line
api.anthropic.commodules/aiClient.js · line 210
const url = 'https://api.anthropic.com/v1/messages';
api.openai.commodules/aiClient.js · line 190
return this._callOpenAI('https://api.openai.com', apiKey, model, prompt, systemPrompt, tokens);
generativelanguage.googleapis.commodules/aiClient.js · line 285
const url = `https://generativelanguage.googleapis.com/v1beta/models/${model}:generateContent?key=${apiKey}`;

Forks and alternatives

No forks listed.

Plugins for the same job

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 LitGap
A+Recommended, tested in Zotero
  1. 1Download the plugin fileDownload v3.1.0.xpi · 0.08 MB
  2. 2In Zotero, open Tools › Plugins
  3. 3Click the gear, choose Install Plugin From File… and pick the file
Step-by-step guide with pictures