WHEN a step reads or creates Google Calendar events: the secret iCal address, the Calendar API with a service account, or an Apps Script bridge
Install
npx skills add krokodillus/cryogram --skill google-calendarnpx skills add krokodillus/cryogram --skill google-calendar -a claude-code -gnpx skills add krokodillus/cryogram --skill google-calendar -a codex -ggemini skills install https://github.com/krokodillus/cryogram.git --path backend/agent/skills/connectors/google-calendargh skill install krokodillus/cryogram google-calendargit clone --depth 1 https://github.com/krokodillus/cryogram /tmp/krokodillus__cryogram
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/krokodillus__cryogram/backend/agent/skills/connectors/google-calendar ~/.claude/skills/google-calendar # Claude Code
cp -R /tmp/krokodillus__cryogram/backend/agent/skills/connectors/google-calendar ~/.agents/skills/google-calendar # Codex, Cursor, Gemini CLI, Copilot, OpenCode