Verifies factual claims in documents using web search and official sources, then proposes corrections with user confirmation. Use when the user asks to fact-check, verify information, validate claims, check accuracy, or update outdated information in documents. Supports AI model specs, technical documentation, statistics, and general factual statements.
Install
npx skills add daymade/claude-code-skills --skill fact-checkernpx skills add daymade/claude-code-skills --skill fact-checker -a claude-code -gnpx skills add daymade/claude-code-skills --skill fact-checker -a codex -ggemini skills install https://github.com/daymade/claude-code-skills.git --path fact-checkergh skill install daymade/claude-code-skills fact-checkergit clone --depth 1 https://github.com/daymade/claude-code-skills /tmp/daymade__claude-code-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/daymade__claude-code-skills/fact-checker ~/.claude/skills/fact-checker # Claude Code
cp -R /tmp/daymade__claude-code-skills/fact-checker ~/.agents/skills/fact-checker # Codex, Cursor, Gemini CLI, Copilot, OpenCode