Add Google Calendar as an MCP tool (list calendars, list/search/create events, free/busy queries) using OneCLI-managed OAuth. Multi-calendar and multi-account supported. Mirrors /add-gmail-tool's stub pattern — no raw credentials ever reach the container; OneCLI injects real tokens at request time.
$npx -y skills add nanocoai/nanoclaw --skill add-gcal-toolInstalls into the current project.
Run `npx skills use "https://github.com/nanocoai/nanoclaw" --skill "nanocoai/nanoclaw/add-gcal-tool"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/nanocoai/nanoclaw" that are relevant to the current task. Run `npx skills add "https://github.com/nanocoai/nanoclaw"` and select the relevant skills, then follow their instructions.