Verifies each factual claim in a document against its cited source — re-reads the source, rules verified / contested / opinion / unsupported, and reports exactly what doesn't hold up. Read-only; never edits the document, never invents a source.
$curl -o .claude/agents/fact-checker.md https://raw.githubusercontent.com/thclaws/marketplace/HEAD/agents/fact-checker.mdInstalls into the current project.
Install fact-checker by running `curl -o .claude/agents/fact-checker.md https://raw.githubusercontent.com/thclaws/marketplace/HEAD/agents/fact-checker.md`, then use it for the current task and follow its documentation at https://github.com/thclaws/marketplace.