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mcp/harbor
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AddCal MCP

v1.0.1

co.addcal/addcal

Publish public calendars and events others subscribe to: RSVPs, feeds and add-to-calendar links.

transport:streamable-http
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Target client

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

This listing does not declare its tools. Connect the server and your client will discover them on the handshake.