fact-checker
Verifies factual claims in documents using web search and official sources, then proposes corrections with user confirmation
Install / Use
npx skills add daymade/claude-code-skills --skill fact-checkerInstalls into whichever agent you are using.
SKILL.md
Installable skill definition
Quality Score
Category
Content & MediaSupported Platforms
Our assessment of fact-checker
fact-checker scores 85/100 on our quality scale, 575th of 961 Content & Media skills we index.
We have not analysed the SKILL.md file itself yet, so the content part of this score is an estimate until our crawler reaches it.
With 1,426 GitHub stars, it is one of the more widely adopted skills in the catalogue.
Maintenance, license and trust
- The repository was last updated 6 days ago, so fact-checker is actively maintained.
- It is released under the MIT license, a permissive license that allows use, modification and commercial use with attribution.
- Its trust signals score 100/100, with no cautions. These come from repository metadata, not a code audit — read the skill file before letting an agent act on it.
fact-checker compared with similar skills
All 4 of these similar skills score higher than fact-checker; compare them before choosing.
| Skill | Score | Stars | Updated | Format |
|---|---|---|---|---|
| fact-checker (this skill)by daymade | 85 | 1.4k | 6d ago | SKILL.md |
| siyuanby siyuan-note | 100 | 46.6k | today | MCP Server |
| algorithmic-artby anthropics | 100 | 177.9k | 8d ago | SKILL.md |
| pptxby anthropics | 100 | 177.9k | 8d ago | SKILL.md |
| designby nextlevelbuilder | 100 | 130.2k | 9d ago | SKILL.md |
Frequently asked questions
- How do I install fact-checker?
- Run
npx skills add daymade/claude-code-skills --skill fact-checker. The install tabs above show the steps for each supported agent. - Which AI agents does fact-checker work with?
- It is written for Universal, as a SKILL.md file. Other agents that read the same format can often use it too.
- Is fact-checker safe to use?
- It is MIT-licensed and scores 100/100 on trust signals. Skills are instructions an agent will follow, so read the file before installing it and do not approve commands you do not understand.
- Is fact-checker still maintained?
- The repository was last updated 6 days ago, so fact-checker is actively maintained.
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Languages
Trust signals
From repository metadata: license, adoption, age and documentation. Not a code audit — see the Safety scan above for what the skill file itself contains.