Fact checker
Skill ccplugins/awesome-claude-code-plugins/plugins/bullpen/skills/fact-checker
Awesome Claude Code plugins — a curated list of slash commands, subagents, MCP servers, and hooks for Claude CodeFrom the repository description
npx -y skills add ccplugins/awesome-claude-code-plugins --skill fact-checkerAssembled from the repository path, not quoted from the project. Check it against their README if it does not work.