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mcp/harbor
Verified official

AddEvent MCP by usefulapi MCP

v1.0.0

io.usefulapi/addevent

Read AddEvent calendars, events, RSVPs and subscribers; create and update calendars and events.

transport:streamable-http tools:18
View source Website

Target client

run in your project directory 

claude mcp add --transport http addevent https://addevent.usefulapi.io/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

addevent_list_calendars

addevent list calendars

addevent_get_calendar

addevent get calendar

addevent_create_calendar

addevent create calendar

addevent_update_calendar

addevent update calendar

addevent_list_events

addevent list events

addevent_get_event

addevent get event

addevent_create_event

addevent create event

addevent_update_event

addevent update event

addevent_list_rsvp_attendees

addevent list rsvp attendees

addevent_get_rsvp_attendee

addevent get rsvp attendee

addevent_create_rsvp_attendee

addevent create rsvp attendee

addevent_update_rsvp_attendee

addevent update rsvp attendee

addevent_list_calendar_subscribers

addevent list calendar subscribers

addevent_get_calendar_subscriber

addevent get calendar subscriber

addevent_list_rsvp_forms

addevent list rsvp forms

addevent_list_event_templates

addevent list event templates

addevent_list_calendar_templates

addevent list calendar templates

addevent_list_timezones

addevent list timezones

All 18 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.