Populates and maintains a project's data catalog (semantic layer): canonical metrics, trust marks (certifications) on warehouse tables/views, and reviewed table relationships. Use when asked to set up / seed / bootstrap the data catalog or semantic layer, to catalog a project's metrics, to certify or deprecate data sources, to propose or review table joins, or to work through the proposal review…
Install
npx skills add PostHog/ai-plugin --skill setting-up-data-catalognpx skills add PostHog/ai-plugin --skill setting-up-data-catalog -a claude-code -gnpx skills add PostHog/ai-plugin --skill setting-up-data-catalog -a codex -ggemini skills install https://github.com/PostHog/ai-plugin.git --path skills/setting-up-data-cataloggh skill install PostHog/ai-plugin setting-up-data-cataloggit clone --depth 1 https://github.com/PostHog/ai-plugin /tmp/PostHog__ai-plugin
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/PostHog__ai-plugin/skills/setting-up-data-catalog ~/.claude/skills/setting-up-data-catalog # Claude Code
cp -R /tmp/PostHog__ai-plugin/skills/setting-up-data-catalog ~/.agents/skills/setting-up-data-catalog # Codex, Cursor, Gemini CLI, Copilot, OpenCode