Checks every claim in a piece of copy (ads, emails, posts, pages, scripts, briefs) against the claims the brand has approved. Keeps, rewrites or cuts each line, and lists the proof that would bring a cut line back. When a line the copy needs has no approval, it asks for a short sign-off on the 3 to 5 lines that matter and records the answer.
Install
npx skills add gooseworks-ai/goose-skills --skill claims-gatenpx skills add gooseworks-ai/goose-skills --skill claims-gate -a claude-code -gnpx skills add gooseworks-ai/goose-skills --skill claims-gate -a codex -ggemini skills install https://github.com/gooseworks-ai/goose-skills.git --path marketing-agent/skills/claims-gategh skill install gooseworks-ai/goose-skills claims-gategit clone --depth 1 https://github.com/gooseworks-ai/goose-skills /tmp/gooseworks-ai__goose-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/gooseworks-ai__goose-skills/marketing-agent/skills/claims-gate ~/.claude/skills/claims-gate # Claude Code
cp -R /tmp/gooseworks-ai__goose-skills/marketing-agent/skills/claims-gate ~/.agents/skills/claims-gate # Codex, Cursor, Gemini CLI, Copilot, OpenCode