Fact-checking and disinformation detection skill for Claude and Codex
Overview
Codex skill for evidence-led fact-checking, source credibility evaluation, misinformation-risk scoring, prebunking briefings, and HTML Fact-Check Cards. This version keeps SKILL.md short and uses progressive disclosure: - SKILL.md contains trigger metadata, guardrails, mode selection, and the core workflow. - references/ contains detailed source-evaluation, red-flag, MFS, Bulgarian/EU source, Bulgarian information-space context, media-literacy (educational tips, incl. a native Bulgarian base), and output guidance. - schema/ defines the JSON result contract. - scripts/ validates results, renders HTML cards, and builds clean upload archives. - tests/ contains regression fixtures for standard, comparison, and prebunking modes. Codex-style archive with fact-check/ as the archive root: ChatGPT upload archive with SKILL.md at the archive root: Generated archives intentionally exclude tests, out/, dist/, cache files, and previous package artifacts.
README
Fact Check Skill
Codex skill for evidence-led fact-checking, source credibility evaluation, misinformation-risk scoring, prebunking briefings, and HTML Fact-Check Cards.
This version keeps SKILL.md short and uses progressive disclosure:
SKILL.mdcontains trigger metadata, guardrails, mode selection, and the core workflow.references/contains detailed source-evaluation, red-flag, MFS, Bulgarian/EU source, Bulgarian information-space context, media-literacy (educational tips, incl. a native Bulgarian base), and output guidance.schema/defines the JSON result contract.scripts/validates results, renders HTML cards, and builds clean upload archives.tests/contains regression fixtures for standard, comparison, and prebunking modes.
Validate
From the repository root:
python .\scripts\validate_skill.py .
python -m unittest discover -s tests
Render a Sample Card
python scripts\render_card.py tests\fixtures\standard_health.json --output out\standard_health.html
Build Archives
Codex-style archive with fact-check/ as the archive root:
python scripts\package_skill.py --layout folder --output dist\fact-check-codex.zip
ChatGPT upload archive with SKILL.md at the archive root:
python scripts\package_skill.py --layout root --output dist\fact-check-chatgpt-upload.zip
Generated archives intentionally exclude tests, out/, dist/, cache files, and
previous package artifacts.
Local Codex Install
Install by copying the fact-check directory to:
C:\Users\******\.codex\skills\fact-check
Keep a backup of any existing installed skill before replacing it.
Recommended Tools
Try a different keyword or remove a filter.
Install
npx skillfish add petar-nauka/fact-check-skill