Evo Citation Checker

Community

Zhang-Henry

evo-citation-checker

Verify academic BibTeX citations to identify fake/hallucinated references using DOI resolution, CrossRef API, Semantic Scholar, DBLP provenance analysis, and structural red flag detection. Use when asked to check bibliography integrity.

Overview

Publisher	Zhang-Henry
Repository	`CoEvoSkills`
Skill name	`evo-citation-checker`
Stars	83
Forks	9
Bundled files	1
License	Apache-2.0
Links	Skill source Repository Homepage

Markdown instructions
A SKILL.md file the model loads on demand, so it only costs tokens when a request actually matches.
Works with any LLM
AI skills are plain Markdown, not provider-specific code, so this works with GPT, Claude, Gemini, Grok, or a local model.
1 bundled files
Scripts, templates, and references the model can read while it works. Files are read-only and never executed.
Open source
Published by Zhang-Henry on GitHub. Read the source before you install it.

Installation

Install the Evo Citation Checker AI skill in TypingMind to use it with any LLM, or drop it into another agent that reads SKILL.md.

Install in TypingMind

TypingMind installs a skill straight from its GitHub folder — it reads SKILL.md, bundles the resource files, and stores the result locally.

Open the app and go to Plugins → Skills.
Choose "Install from GitHub".
Paste the skill folder URL below and confirm.
https://github.com/Zhang-Henry/CoEvoSkills/tree/main/artifacts/skills/citation-check/evo-citation-checker
Enable the skill in any chat where you want it available.

Store

Installed

Skills

Add skills

Import one or more skills from a public GitHub folder or a local .skill or .zip archive, or SKILL.md file.

From GitHub URLFrom .skill, .zip, or SKILL.md

GitHub repo or folder

https://github.com/Zhang-Henry/CoEvoSkills/tree/main/artifacts/skills/citation-check/evo-citation-checker

Points to a single skill folder, or any folder that contains multiple skills. Public repos only.

CancelContinue

Plugins → Skills → Add skill → From GitHub URL, then paste the folder URL and press Continue.

Install in another agent

Any agent that reads the Agent Skills format can use this skill — copy the folder into that agent's skills directory.

Claude Code — .claude/skills

git clone --depth 1 https://github.com/Zhang-Henry/CoEvoSkills.git /tmp/CoEvoSkills
mkdir -p .claude/skills
cp -r /tmp/CoEvoSkills/artifacts/skills/citation-check/evo-citation-checker .claude/skills/evo-citation-checker

Restart Claude Code after copying so it picks up the new skill.

Use it in TypingMind

Enable Evo Citation Checker in any TypingMind chat and the model takes it from there. Its name and description sit in the system prompt, and the moment a request matches, the model loads the full instructions itself — you never invoke it by hand, and it costs no tokens until it is actually used.

The model loads Evo Citation Checker on its own as soon as a request matches it.

Works with any AI model

AI skills are plain Markdown instructions rather than provider-specific code, so Evo Citation Checker is not tied to the model it was written for. Install it once in TypingMind and use it with GPT-5, Claude, Gemini, Grok, DeepSeek, Mistral, Llama, or a local model you run yourself — all on your own API keys.

Loaded only when it is needed
The system prompt carries just the name and description. The instructions are fetched on the first matching request, so an idle skill costs nothing.
Switch models mid-chat
Because the skill is instructions rather than code, changing model does not break it — the next model reads the same SKILL.md.

Skill instructions

This is the SKILL.md content the model loads. Read it before installing — a skill is instructions your model will follow.

Citation Verification Skill

Identifies fake/hallucinated citations in BibTeX files using multi-signal verification.

Verification Strategy

DOI-first triage: Check DOIs via CrossRef API and doi.org resolution
Provenance signals: DBLP biburl/bibsource and ACL Anthology URLs indicate real entries
DOI registrant analysis: Suspicious prefixes like 10.1234, 10.5678 indicate fabrication
Semantic Scholar search: For entries without DOIs, search by title
Red flag analysis: Generic titles, fake journal names, metadata inconsistencies

Key Fake Citation Indicators

DOI returns 404 from CrossRef AND doi.org
DOI registrant code is a placeholder (10.1234, 10.5678, etc.)
Journal/venue name doesn't exist in any index
Publisher attribution is wrong for the claimed venue
Generic/vague title + generic author names + no provenance

Usage

python
import sys
sys.path.insert(0, '/app/environment/skills/evo-citation-checker/scripts')
from utils import verify_citations, validate_answer

# Run end-to-end verification
answer, details = verify_citations('/root/test.bib', '/root/answer.json')
print(answer)

# Validate output
validate_answer('/root/answer.json')

Scripts

scripts/utils.py: All utility functions including:
- parse_bib_file(path) - Parse BibTeX
- clean_bibtex_title(title) - Remove BibTeX formatting
- check_doi_crossref(doi) - Verify DOI via CrossRef
- check_doi_resolution(doi) - Verify DOI via doi.org
- search_semantic_scholar(title) - Search S2 by title
- has_dblp_provenance(entry) - Check DBLP provenance
- has_acl_anthology_url(entry) - Check ACL Anthology URL
- is_suspicious_doi_prefix(doi) - Check for fake DOI prefixes
- analyze_entry_suspicion(entry) - Score suspicion signals
- verify_citations(bib_path, output_path) - End-to-end entry point
- validate_answer(output_path) - Validate output format

Bundled files

The model reads these on demand while the skill is loaded. They are exposed as readable files and are never executed.

scripts/utils.py9 KB

Frequently asked questions

What does the Evo Citation Checker AI skill do?

Why use Evo Citation Checker on TypingMind?

Because you install it once and use it with any model. Evo Citation Checker is plain Markdown rather than provider-specific code, so the same skill runs on GPT-5, Claude, Gemini, Grok, or a local model — and you can switch model mid-chat without it breaking. TypingMind runs on your own API keys, so you pay providers directly instead of a per-seat subscription, and your skills and chats stay in your own storage.

How do I install Evo Citation Checker in TypingMind?

Open Plugins → Skills → Install from GitHub in TypingMind and paste https://github.com/Zhang-Henry/CoEvoSkills/tree/main/artifacts/skills/citation-check/evo-citation-checker. TypingMind reads its SKILL.md and bundles its files and installs it as a skill you can enable per chat.

Which AI models can use Evo Citation Checker?

Any model you connect in TypingMind. AI skills are plain Markdown instructions rather than provider-specific code, so GPT, Claude, Gemini, Grok, and local models can all load this skill when a request matches it.

How many AI models can I use with Evo Citation Checker?

As many as you like. As long as a model supports skills, you can use Evo Citation Checker with it — GPT, Claude, Gemini, Grok, DeepSeek, Mistral, Llama and more — all on TypingMind with your own API keys.

Is the Evo Citation Checker AI skill free?

Yes. It is published on GitHub by Zhang-Henry under the Apache-2.0 license. You only pay your own AI provider for the tokens you use.

What are AI skills?

An AI skill is a reusable instruction bundle that teaches an AI model how to do one specific task. It follows the open Agent Skills format: a SKILL.md file with a name and description, plus any scripts, templates or reference files the model may need. The model reads the instructions only when your request matches the skill, so an installed skill costs nothing until it is used.

How are AI skills different from plugins or MCP servers?

A plugin or MCP server gives a model new tools to call — code that runs somewhere and returns a result. An AI skill gives the model knowledge and process instead: how to approach a task, which steps to follow, what good output looks like. Skills are plain Markdown, so they need no server, no API key and no runtime, and they work with any model.

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Overview

Installation

Install in TypingMind

Install in another agent

Use it in TypingMind

Works with any AI model

Skill instructions

Citation Verification Skill

Verification Strategy

Key Fake Citation Indicators

Usage

Scripts

Bundled files

Frequently asked questions

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