MCPInstall

gs-cited-by

by cookjohnEducation & Science

Find papers that cite a given Google Scholar paper. Tracks citation chains using data-cid (cluster ID). Use when user wants to see who cited a specific paper.

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Install

Works with every agent the skills CLI supports.

npx skills add https://github.com/cookjohn/gs-skills --skill gs-cited-by
  1. 01

    Install

    Run the command in your project. The CLI asks which agents to install for.

  2. 02

    Describe the task

    Ask your agent for something this skill covers. It loads gs-cited-by automatically when relevant.

  3. 03

    Review the result

    The agent follows the SKILL.md steps, scripts and references bundled with the skill.

SKILL.md

The instructions your agent reads when the skill is triggered.

Google Scholar — Cited By (Citation Tracking)

Find all papers that cite a given paper. Uses Google Scholar's cites parameter with the paper's cluster ID (data-cid).

Arguments

$ARGUMENTS can be:

  • A data-cid from a previous search result (e.g., TFS2GgoGiNUJ)
  • A paper title (will search first to find the data-cid)

Steps

Step 1: Resolve data-cid

If $ARGUMENTS is a data-cid (alphanumeric string, no spaces): use it directly.

If $ARGUMENTS is a title or description: first search to find the data-cid:

  1. Use gs-search with the title as keywords
  2. Match the target paper in results by title similarity
  3. Extract its dataCid

Step 2: Navigate to "Cited by" page

Use mcp__chrome-devtools__navigate_page:

  • url: https://scholar.google.com/scholar?cites={DATA_CID}&hl=en&num=10

Replace {DATA_CID} with the resolved cluster ID.

Step 3: Extract citing papers (evaluate_script)

Same extraction script as gs-search:

async () => {
  for (let i = 0; i < 20; i++) {
    if (document.querySelector('#gs_res_ccl') || document.querySelector('#gs_captcha_ccl')) break;
    await new Promise(r => setTimeout(r, 500));
  }

  if (document.querySelector('#gs_captcha_ccl') || document.body.innerText.includes('unusual traffic')) {
    return { error: 'captcha', message: 'Google Scholar requires CAPTCHA verification. Please complete it in your browser, then tell me to continue.' };
  }

  const items = document.querySelectorAll('#gs_res_ccl .gs_r.gs_or.gs_scl');
  const results = Array.from(items).map((item, i) => {
    const titleEl = item.querySelector('.gs_rt a');
    const meta = item.querySelector('.gs_a')?.textContent || '';
    const parts = meta.split(' - ');
    const authors = parts[0]?.trim() || '';
    const journalYear = parts[1]?.trim() || '';
    const citedByEl = item.querySelector('.gs_fl a[href*="cites"]');

    return {
      n: i + 1,
      title: titleEl?.textContent?.trim() || item.querySelector('.gs_rt')?.textContent?.trim() || '',
      href: titleEl?.href || '',
      authors,
      journalYear,
      citedBy: citedByEl?.textContent?.match(/\d+/)?.[0] || '0',
      dataCid: item.getAttribute('data-cid') || '',
      fullTextUrl: (item.querySelector('.gs_ggs a') || item.querySelector('.gs_or_ggsm a'))?.href || '',
      snippet: item.querySelector('.gs_rs')?.textContent?.trim()?.substring(0, 200) || ''
    };
  });

  const totalText = document.querySelector('#gs_ab_md')?.textContent?.trim() || '';
  const currentUrl = window.location.href;
  return { total: totalText, resultCount: results.length, currentUrl, results };
}

Step 4: Report

Papers citing [{original paper title}] (data-cid: {DATA_CID}):
{total}

1. {title}
   Authors: {authors} | {journalYear}
   Cited by: {citedBy}
   Data-CID: {dataCid}

2. ...

Follow-up

  • See more citing papers: use gs-navigate-pages (pagination works on cited-by pages too)
  • Export citing papers: use gs-export with the data-cid(s)
  • Recursive citation tracking: use gs-cited-by on any of the citing papers

Notes

  • This skill uses 2-3 tool calls: optional search + navigate_page + evaluate_script
  • The cites parameter uses the cluster ID (data-cid), NOT a DOI or paper ID
  • Cited-by pages support the same pagination as regular search (start parameter)
  • Citation count on Google Scholar is typically higher than PubMed because it includes non-PubMed sources (books, theses, preprints, etc.)

FAQ

What does the gs-cited-by skill do?

Find papers that cite a given Google Scholar paper. Tracks citation chains using data-cid (cluster ID). Use when user wants to see who cited a specific paper.

How do I install gs-cited-by?

Run npx skills add https://github.com/cookjohn/gs-skills --skill gs-cited-by in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/gs-cited-by/ (personal) or .claude/skills/gs-cited-by/ (project).

Which AI agents can use gs-cited-by?

Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.

Is gs-cited-by safe to install?

No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.

Who maintains gs-cited-by?

It is published by cookjohn in cookjohn/gs-skills. It has 204 recorded installs.

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