MANDATORY recipe for every Caffeine build that lists upcoming events or creates events on the user's own Google Calendar. The ONLY supported path is the `googlecalendar-client` mops package (Calendar REST API v3) combined with the `google-oauth` mops package (token exchange + refresh + PKCE).
Install
npx skills add caffeinelabs/skills --skill connector-googlecalendarnpx skills add caffeinelabs/skills --skill connector-googlecalendar -a claude-code -gnpx skills add caffeinelabs/skills --skill connector-googlecalendar -a codex -ggemini skills install https://github.com/caffeinelabs/skills.git --path skills/connector-googlecalendargh skill install caffeinelabs/skills connector-googlecalendargit clone --depth 1 https://github.com/caffeinelabs/skills /tmp/caffeinelabs__skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/caffeinelabs__skills/skills/connector-googlecalendar ~/.claude/skills/connector-googlecalendar # Claude Code
cp -R /tmp/caffeinelabs__skills/skills/connector-googlecalendar ~/.agents/skills/connector-googlecalendar # Codex, Cursor, Gemini CLI, Copilot, OpenCode