Cronofy MCP by usefulapi

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MCP server for Cronofy — read calendars, events and free/busy, and create, update or delete events.

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Tool list from our last check. Connect live to refresh it.

cronofy_delete_event Destructive

Deletes an event (by your event_id) from a real connected calendar. Destructive. API: DELETE /v1/calendars/{calendar_id}/events.

event_idstring, required

YOUR event_id for the event to delete (sent in the JSON body).

calendar_idstring, required

Calendar id the event lives on.

The server marks this tool as destructive. Running it may delete or overwrite data on the server or in any account you connected with your headers.

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Tools (8)

cronofy_delete_event

Deletes an event (by your event_id) from a real connected calendar. Destructive. API: DELETE /v1/calendars/{calendar_id}/events.

destructive

Argument	Type	Description
event_id*	string	YOUR event_id for the event to delete (sent in the JSON body).
calendar_id*	string	Calendar id the event lives on.

Input schema (JSON)

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "calendar_id",
    "event_id"
  ],
  "properties": {
    "event_id": {
      "type": "string",
      "description": "YOUR event_id for the event to delete (sent in the JSON body)."
    },
    "calendar_id": {
      "type": "string",
      "description": "Calendar id the event lives on."
    }
  }
}

cronofy_get_account

Get the authenticated Cronofy account's details (id, email, name, default tzid, locale). API: GET /v1/account.

read-only

No arguments.

Input schema (JSON)

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {}
}

cronofy_get_free_busy

Read free/busy information across the account's calendars over a time window. Returns { pages, free_busy }. API: GET /v1/free_busy.

read-only

Argument	Type	Description
to	string	End of the window — date (yyyy-mm-dd) or ISO 8601 datetime.
from	string	Start of the window — date (yyyy-mm-dd) or ISO 8601 datetime.
tzid*	string	REQUIRED time zone id for the response, e.g. "Etc/UTC".
calendar_ids	array	Restrict to these calendar ids (sent as repeated calendar_ids[] params).
include_managed	boolean	Include events created via the Cronofy API. Default false.

Input schema (JSON)

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "required": [
    "tzid"
  ],
  "properties": {
    "to": {
      "type": "string",
      "description": "End of the window — date (yyyy-mm-dd) or ISO 8601 datetime."
    },
    "from": {
      "type": "string",
      "description": "Start of the window — date (yyyy-mm-dd) or ISO 8601 datetime."
    },
    "tzid": {
      "type": "string",
      "description": "REQUIRED time zone id for the response, e.g. \"Etc/UTC\"."
    },
    "calendar_ids": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Restrict to these calendar ids (sent as repeated calendar_ids[] params)."
    },
    "include_managed": {
      "type": "boolean",
      "description": "Include events created via the Cronofy API. Default false."
    }
  }
}

cronofy_get_userinfo

Get the OpenID-style profile of the authenticated user (sub, email, Cronofy profile info). API: GET /v1/userinfo.

read-only

No arguments.

Input schema (JSON)

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {}
}

cronofy_list_calendars

List all calendars the authenticated account can see (id, name, profile, readonly, primary). API: GET /v1/calendars.

read-only

No arguments.

Input schema (JSON)

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {}
}

cronofy_list_profiles

List the connected calendar accounts/profiles (e.g. Google, Office 365) linked to this Cronofy account. API: GET /v1/profiles.

read-only

No arguments.

Input schema (JSON)

{
  "type": "object",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {}
}

cronofy_read_events

Read events across the account's calendars over a time window. Returns { pages, events }. API: GET /v1/events.

read-only

Argument	Type	Description
to	string	End of the window — date (yyyy-mm-dd) or ISO 8601 datetime.
from	string	Start of the window — date (yyyy-mm-dd) or ISO 8601 datetime.
tzid*	string	REQUIRED time zone id for the response, e.g. "Etc/UTC" or "America/New_York".
calendar_ids	array	Restrict to these calendar ids (sent as repeated calendar_ids[] params).
only_managed	boolean	Return only events created via the Cronofy API. Default false.
last_modified	string	Only events modified since this ISO 8601 datetime.
include_deleted	boolean	Include deleted events. Default false.
include_managed	boolean	Include events created via the Cronofy API. Default false.

Input schema (JSON)

cronofy_upsert_event

Creates or updates an event on a REAL connected calendar (upsert by event_id). This writes to the user's actual calendar. API: POST /v1/calendars/{calendar_id}/events.

destructive

Argument	Type	Description
end*	string	Event end — ISO 8601 datetime or a date (yyyy-mm-dd) string.
tzid	string	Time zone id for the start/end, e.g. "America/New_York".
start*	string	Event start — ISO 8601 datetime or a date (yyyy-mm-dd) string.
summary*	string	Event title/summary.
event_id*	string	YOUR unique id for the event. Re-using it updates the same event.
calendar_id*	string	Target calendar id (from cronofy_list_calendars).
description	string	Event description/body.
location_description	string	Free-text location (sent as location.description).