Agent skill

Retraction Watcher

by aipoch in aipoch/medical-research-skills

Automatically scan reference lists and check whether cited papers have been retracted, corrected, or flagged; use before submission, review, or evidence synthesis to reduce citation risk.

MITAuto-check passedResearch & Science

Install Retraction Watcher

skills CLI
$ npx skills add aipoch/medical-research-skills --skill retraction-watcher -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install aipoch/medical-research-skills retraction-watcher --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/aipoch/medical-research-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/'scientific-skills/Evidence Insight/retraction-watcher' .claude/skills/retraction-watcher && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
retraction-watcher
GitHub stars
2k
Token cost
~3.1k tokens
SKILL.md length
1,425 words
Files
5 (incl. scripts, references)
Skills in repo
567
Repo updated
First seen
Licence
MIT

At a glance

Automatically scan reference lists and check whether cited papers have been retracted, corrected, or flagged; use before submission, review, or evidence synthesis to reduce citation risk.

  • Works in 5 steps: Confirm the user objective, required… → Validate that the request matches the… → Use the packaged script path or the… → …
  • Tasks that involve Citation management
  • SKILL.md covers Quick Check, Audit-Ready Commands, When to Use and Workflow, plus 18 more sections
  • Runs Python scripts from its folder; calls python

What it does

Retraction Watcher is an agent skill from aipoch/medical-research-skills. Automatically scan reference lists and check whether cited papers have been retracted, corrected, or flagged; use before submission, review, or evidence synthesis to reduce citation risk.

Its SKILL.md is about 3.1k tokens, which your agent loads only when the skill is triggered. The skill folder holds 6 other files, including scripts and reference files (for example `POLISH_CHANGELOG.md`, `eval_report_retraction-watcher_result.json` and `references/audit-reference.md`).

It sits in Research & Science, covering Citation management. The repository describes itself as: Hundreds of agent skills for medical research, including protocol design, data analysis, evidence insights, and academic writing. The licence is MIT.

When your agent uses it

  • Tasks that involve Citation management

Example prompts

  • “/retraction-watcher”

Requirements

  • Python 3

Workflow steps

5 steps, taken from the first numbered list in SKILL.md.

  1. Confirm the user objective, required inputs, and non-negotiable constraints before doing detailed work.
  2. Validate that the request matches the documented scope and stop early if the task would require unsupported assumptions.
  3. Use the packaged script path or the documented reasoning path with only the inputs that are actually available.
  4. Return a structured result that separates assumptions, deliverables, risks, and unresolved items.
  5. If execution fails or inputs are incomplete, switch to the fallback path and state exactly what blocked full completion.

What it can do on your machine

Read from SKILL.md and the folder at commit 686e09d. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Ships 1 file in scripts/ (Python), which the agent can run.

    Shell commands in SKILL.md call:

    • python

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    Links to these hosts (documentation or services it may open):

    • retractionwatch.com
    • api.crossref.org
    • ncbi.nlm.nih.gov
    • openretractions.com

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Retraction Watcher loads about 3.1k tokens when it runs, and up to ~3.3k if it reads all its reference files. Until then it costs about 52 tokens; SKILL.md has 1,425 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~52
When it runs · the whole SKILL.md, loaded when a task matches
~3.1k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~3.3k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); the scripts in this folder are not scanned.

SKILL.md

The full file from aipoch/medical-research-skills at commit 686e09d, republished under its MIT licence (© aipoch). 1,425 words, ~3,104 tokens.

Download SKILL.mdSave it as .claude/skills/retraction-watcher/SKILL.md (or your agent's skills folder). This skill also uses 4 other files; get the full folder from GitHub.
name
retraction-watcher
description
Automatically scan reference lists and check whether cited papers have been retracted, corrected, or flagged; use before submission, review, or evidence synthesis to reduce citation risk.
license
MIT
author
AIPOCH

Source: https://github.com/aipoch/medical-research-skills

Retraction Watcher

A specialized skill for identifying retracted, corrected, or questionable papers in academic reference lists before they compromise research integrity.

Quick Check

Use this command to verify that the packaged script entry point can be parsed before deeper execution.

bash
python -m py_compile scripts/main.py

Audit-Ready Commands

Use these concrete commands for validation. They are intentionally self-contained and avoid placeholder paths.

bash
python -m py_compile scripts/main.py
python scripts/main.py --help

When to Use

  • Use this skill when the task needs Automatically scan document reference lists and check against Retraction.
  • Use this skill for evidence insight tasks that require explicit assumptions, bounded scope, and a reproducible output format.
  • Use this skill when you need a documented fallback path for missing inputs, execution errors, or partial evidence.

Workflow

  1. Confirm the user objective, required inputs, and non-negotiable constraints before doing detailed work.
  2. Validate that the request matches the documented scope and stop early if the task would require unsupported assumptions.
  3. Use the packaged script path or the documented reasoning path with only the inputs that are actually available.
  4. Return a structured result that separates assumptions, deliverables, risks, and unresolved items.
  5. If execution fails or inputs are incomplete, switch to the fallback path and state exactly what blocked full completion.

Purpose

Academic misconduct and errors can lead to paper retractions. Citing retracted work undermines research credibility. This skill:

  • Scans reference lists from manuscripts, papers, or bibliographies
  • Cross-checks citations against Retraction Watch and other retraction databases
  • Identifies papers with retraction notices, expressions of concern, or corrections
  • Provides detailed reports with retraction reasons and dates

Trigger Conditions

Activate this skill when:

  1. User provides a document with references and asks to check for retractions
  2. User explicitly requests "check my references" or "scan for retracted papers"
  3. User submits a bibliography or reference list for verification
  4. Pre-submission manuscript review is requested
  5. User wants to verify citation integrity

Input Format

Accepted inputs:

  • PDF files (manuscripts, papers, theses)
  • Plain text files (.txt, .bib, .ris)
  • Raw text containing reference lists
  • URLs to papers or reference lists
  • Clipboard content with citations

Output Format

Report Header
🔍 RETRACTION WATCH REPORT
Documents Scanned: [N]
References Found: [N]
Check Date: [YYYY-MM-DD]
Status Categories

🔴 RETRACTED - Paper has been officially retracted

  • Reason for retraction
  • Retraction date
  • Original DOI/PMID
  • Recommended action: Remove citation

🟡 EXPRESSION OF CONCERN - Journal has raised concerns

  • Nature of concern
  • Date issued
  • Recommended action: Verify current status, consider alternative sources

🟠 CORRECTED - Paper has published corrections/errata

  • Correction details
  • Date of correction
  • Recommended action: Check if correction affects cited claims

🟢 CLEAR - No retraction issues found

Technical Approach

Citation Parsing Strategy
  1. Format Detection: Identify citation style (APA, MLA, Vancouver, Chicago, etc.)
  2. Field Extraction: Parse DOI, PMID, title, authors, journal, year
  3. Identifier Resolution: Normalize DOIs (remove prefixes, validate format)
  4. Title Matching: Extract article titles for fuzzy matching
Database Checking
  1. Retraction Watch Database - Primary source for retraction data
  2. Crossref API - Retraction metadata via "update-type: retraction"
  3. PubMed API - Retraction notices via publication type filters
  4. Open Retractions - Aggregated retraction data
Matching Algorithm
  • Exact Match: DOI/PMID exact match (highest confidence)
  • Title Match: Normalized title comparison (90%+ similarity threshold)
  • Author + Year: Secondary verification for ambiguous matches
  • Fuzzy Matching: Handle minor title variations and typos

Difficulty Level

Medium-High - Requires:

  • Robust citation parsing across multiple formats
  • API integration with retraction databases
  • Handling of partial/incomplete citation data
  • Fuzzy matching for title-based lookups
  • Rate limiting and caching for API calls

Quality Criteria

A successful scan must:

  • Parse >90% of citations correctly from standard formats
  • Achieve <1% false positive rate on retraction detection
  • Provide actionable recommendations for each flagged citation
  • Handle missing DOIs/PMIDs via title matching fallback
  • Complete checks within reasonable time (<30s for 50 references)
  • Preserve reference numbering for easy identification

Limitations

  • Requires internet connection for database lookups
  • Rate limits may apply to free API tiers
  • Very recent retractions (<48 hours) may not be indexed
  • Title-only matching may produce false positives with similar titles
  • Non-English papers may have limited coverage
  • Preprint citations (arXiv, bioRxiv) typically not tracked for retractions

Example Usage

python
# Check a PDF manuscript
python scripts/main.py --input manuscript.pdf --format detailed

# Check a BibTeX file
python scripts/main.py --input references.bib --output report.txt

# Check raw text
python scripts/main.py --text "[paste references here]"

# Quick check with summary only
python scripts/main.py --input paper.pdf --format summary

Data Sources

References

See references/ for:

  • citation-formats.md: Supported citation format specifications
  • api-documentation.md: Database API reference and rate limits
  • example-reports/: Sample output reports for testing

Author: AI Assistant
Version: 1.0
Last Updated: 2026-02-06
Status: Ready for use
Requires: Internet connection for database lookups

Risk Assessment

Risk IndicatorAssessmentLevel
Code ExecutionPython scripts with toolsHigh
Network AccessExternal API callsHigh
File System AccessRead/write dataMedium
Instruction TamperingStandard prompt guidelinesLow
Data ExposureData handled securelyMedium

Security Checklist

  • No hardcoded credentials or API keys
  • No unauthorized file system access (../)
  • Output does not expose sensitive information
  • Prompt injection protections in place
  • API requests use HTTPS only
  • Input validated against allowed patterns
  • API timeout and retry mechanisms implemented
  • Output directory restricted to workspace
  • Script execution in sandboxed environment
  • Error messages sanitized (no internal paths exposed)
  • Dependencies audited
  • No exposure of internal service architecture

Prerequisites

text
# Python dependencies
pip install -r requirements.txt

Evaluation Criteria

Success Metrics
  • Successfully executes main functionality
  • Output meets quality standards
  • Handles edge cases gracefully
  • Performance is acceptable
Test Cases
  1. Basic Functionality: Standard input → Expected output
  2. Edge Case: Invalid input → Graceful error handling
  3. Performance: Large dataset → Acceptable processing time
Show full SKILL.md (579 more words)Show less

Lifecycle Status

  • Current Stage: Draft
  • Next Review Date: 2026-03-06
  • Known Issues: None
  • Planned Improvements:
    • Performance optimization
    • Additional feature support

Output Requirements

Every final response should make these items explicit when they are relevant:

  • Objective or requested deliverable
  • Inputs used and assumptions introduced
  • Workflow or decision path
  • Core result, recommendation, or artifact
  • Constraints, risks, caveats, or validation needs
  • Unresolved items and next-step checks

Error Handling

  • If required inputs are missing, state exactly which fields are missing and request only the minimum additional information.
  • If the task goes outside the documented scope, stop instead of guessing or silently widening the assignment.
  • If scripts/main.py fails, report the failure point, summarize what still can be completed safely, and provide a manual fallback.
  • Do not fabricate files, citations, data, search results, or execution outcomes.

Input Validation

This skill accepts requests that match the documented purpose of retraction-watcher and include enough context to complete the workflow safely.

Do not continue the workflow when the request is out of scope, missing a critical input, or would require unsupported assumptions. Instead respond:

retraction-watcher only handles its documented workflow. Please provide the missing required inputs or switch to a more suitable skill.

References

Response Template

Use the following fixed structure for non-trivial requests:

  1. Objective
  2. Inputs Received
  3. Assumptions
  4. Workflow
  5. Deliverable
  6. Risks and Limits
  7. Next Checks

If the request is simple, you may compress the structure, but still keep assumptions and limits explicit when they affect correctness.

When Not to Use

  • Do not proceed when required input files, identifiers, parameters, or context are missing — ask the user to provide them first.
  • Do not assume capabilities beyond this skill's declared scope when the user requests external operations or inferences.
  • Do not proceed without user confirmation when overwriting existing results, executing high-cost batch operations, or expanding task scope.

Required Inputs

FieldRequiredFormat/SourceExampleIf Missing
User task descriptionYesTextResearch question, writing goal, analysis objectiveStop and ask user to provide
Primary input materialDepends on taskText, file path, ID, table, or literaturePMID, PDF, CSV, DOCX, keywords, etc.Specify which material type is missing
Output preferenceNoTextLanguage, format, target journal, templateUse skill default format

Output Contract

  • Primary output: Structured result or target file aligned with this skill's objective.
  • Optional output: Intermediate check notes, issue list, supplementary suggestions, or generated file paths.
  • Format requirement: Unless the user specifies otherwise, prefer stable, reviewable Markdown or JSON; if the skill's bundled script requires a fixed format, use that format.
  • If partially complete: Must explicitly mark as PARTIAL and state which steps are completed and which remain.

Failure Handling

  • Missing critical input: Explicitly state which fields, files, or identifiers are missing and pause.
  • Script, template, or resource execution failure: Report the failing step, likely cause, and recovery suggestions — do not silently degrade.
  • Partial completion only: Return the verified portion first, then list remaining blockers and suggested next steps.

User Checkpoints

  • Before executing batch processing, overwriting files, long-running searches, or multi-stage generation, confirm scope and output format with the user.
  • Before proceeding when a key judgment is ambiguous, evidence is insufficient, or the workflow is entering the next stage, confirm with the user.

Quick Validation

  • Check that key scripts, templates, or reference file paths this skill depends on exist.
  • Check that the final output contains the core fields, sections, or files specified for this task.
  • Check that results clearly mark assumptions, limitations, and incomplete items.

© aipoch, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 4 other files (scripts, references) in scientific-skills/Evidence Insight/retraction-watcher of aipoch/medical-research-skills.

  • SKILL.md
  • POLISH_CHANGELOG.md
  • eval_report_retraction-watcher_result.json
  • references/audit-reference.md
  • scripts/main.py

Open the folder on GitHubat commit 686e09d

Compare with similar skills

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Systematic Review ScreenerImbad0202/academic-research-skills51k—~8.4kAutomated safety check: PassCustom licence
Literature Reviewneflibata-feng/MyArxiv-Agent12621 repos~5.9kAutomated safety check: NotesMIT

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Questions about Retraction Watcher

What does Retraction Watcher do?

Automatically scan reference lists and check whether cited papers have been retracted, corrected, or flagged; use before submission, review, or evidence synthesis to reduce citation risk. Retraction Watcher is an agent skill from aipoch/medical-research-skills. Automatically scan reference lists and check whether cited papers have been retracted, corrected, or flagged; use before submission, review, or evidence synthesis to reduce citation risk.

When should I use Retraction Watcher?

Retraction Watcher fits situations like: tasks that involve Citation management.

How do I install Retraction Watcher in Claude Code?

Run `npx skills add aipoch/medical-research-skills --skill retraction-watcher -a claude-code`. Or copy the skill folder (scientific-skills/Evidence Insight/retraction-watcher in aipoch/medical-research-skills) into .claude/skills/retraction-watcher in your project. Claude Code loads it when a task matches its description.

How do I install Retraction Watcher in Codex?

Run `npx skills add aipoch/medical-research-skills --skill retraction-watcher -a codex`. Or copy the skill folder (scientific-skills/Evidence Insight/retraction-watcher in aipoch/medical-research-skills) into .agents/skills/retraction-watcher in your project. Codex loads it when a task matches its description.

Can I use Retraction Watcher in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add aipoch/medical-research-skills --skill retraction-watcher -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/retraction-watcher, .gemini/skills/retraction-watcher, .github/skills/retraction-watcher and .opencode/skills/retraction-watcher in your project.

What does Retraction Watcher need to run?

Going by SKILL.md and its folder, Retraction Watcher needs Python for the scripts in its folder and the command-line tools its instructions call (python). Our summary lists: Python 3.

Does Retraction Watcher access the network?

SKILL.md names 4 domains. As links in the text: retractionwatch.com, api.crossref.org, ncbi.nlm.nih.gov and openretractions.com. This is read from the text; nothing was executed.

Is Retraction Watcher safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does Retraction Watcher use?

Retraction Watcher is published under the MIT licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Retraction Watcher use?

About 3.1k tokens (SKILL.md is roughly 12k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 159 tokens, read only when the agent opens those files.

What are the alternatives to Retraction Watcher?

Skills that share tags, products or a category with Retraction Watcher: Content Research Writer (weapp-tailwindcss/weapp-tailwindcss, 1.9k stars), Networkx (zLanqing/codex-claude-academic-skills, 4.6k stars), Citation Verification Guide (Galaxy-Dawn/claude-scholar, 5.7k stars) and Systematic Review Screener (Imbad0202/academic-research-skills, 51k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Retraction Watcher?

aipoch (a GitHub organization) maintains it in aipoch/medical-research-skills, which has 1,974 GitHub stars. The repository holds 567 skills in this directory. The repository was last updated on September 17, 2026.

Source: aipoch/medical-research-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.