Free
Research & data
Nature Reference Verifier
Cross-check reference authors, titles, years, volumes and pages across sources, and report bibliographic inconsistencies.
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Fact-Checking Skills for Claude Code, Codex & AI Agents
These skills help an agent check claims and references before you rely on them. The set is small and mostly academic.
5 skillsExplore Fact-Checking skills
5 skillsForm research questions, search and verify literature, synthesize evidence, and produce a referenced research report.
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Free
Research & data
dbs-theory-grounding · Theory and Case Grounding
Examine a claim before matching it to a credible theory, then reinterpret the case and state where the explanation applies and where it fails.
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dontbesilent
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Research & data
Nature Citation
Find Nature and CNS-family papers that support specific manuscript claims, verify sources and export reference-manager files.
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Yuan1z0825 and contributors
Free
Research & data
Discernment Nudge
Add a few specific reflection questions after actionable answers to help examine facts and assumptions.
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Anthropic
Related topics
How to choose Fact-Checking skills
Use the reference checker for papers and the discernment skill for everyday claims.
- Check that cited references exist
- Ground an argument in sources
- Flag claims that need evidence