AddCal for Claude Code
co.addcal/addcal
Publish public calendars and events others subscribe to: RSVPs, feeds and add-to-calendar links.
client:Claude Code
transport:streamable-http
Install AddCal in Claude Code
run in your project directory
claude mcp add --transport http addcal https://addcal.co/mcp
Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs