usefulapi

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

Claude

Open Settings → Connectors → Add custom connector
Paste this URL:
https://cronofy.usefulapi.io/mcp
Authenticate with Cronofy when prompted

Cursor · VS Code · Windsurf · Cline

Add to your MCP config, then reload & authorize:

{
  "mcpServers": {
    "cronofy": {
      "url": "https://cronofy.usefulapi.io/mcp"
    }
  }
}

live10 toolsFree 100 tool calls / monthPro $9/mo · $90/yr

Tools 10

Tool	Type	What it does
`cronofy_get_account`	read	Get account Get the authenticated Cronofy account's details — id, email, name, default time zone and locale.
`cronofy_get_userinfo`	read	Get userinfo Get the OpenID-style profile of the authenticated user (sub, email and Cronofy profile info).
`cronofy_list_calendars`	read	List calendars List every calendar the account can see, with id, name, owning profile, read-only and primary flags.
`cronofy_list_profiles`	read	List profiles List the connected calendar accounts/profiles (Google, Office 365, and others) linked to this Cronofy account.
`cronofy_read_events`	read	Read events Read events across the account's calendars over a time window, with filters for calendars, managed and deleted events.
`cronofy_get_free_busy`	read	Get free busy Read free/busy availability across the account's calendars over a time window, without exposing event details.
`cronofy_upsert_event`	write	Upsert event Create or update an event on a real connected calendar (upsert by your own event_id), writing summary, start/end, description and location.
`cronofy_delete_event`	write	Delete event Delete an event from a real connected calendar by your own event_id — destructive.
`cronofy_usage_status`	meta	Usage status (free-tier meter) Report the caller's current free-tier usage this month: calls used, monthly limit, remaining, and whether the cap is reached. Read-only; does not count against the meter.
`cronofy_upgrade`	meta	Upgrade to Pro (unlimited) Subscribe to the Pro plan for UNLIMITED Cronofy tool calls (the free tier caps monthly usage). Choose monthly ($9/month) or yearly ($90/year — 2 months free) billing. Returns a Stripe Checkout link to open in your browser; after payment your account upgrades automatically. Read-only; does not count against the meter.

Pricing

Plan	Price	Limit
Free	$0	100 tool calls / month
Pro	$9/mo · $90/yr	Unlimited

This is a Model Context Protocol endpoint — meant to be connected from an AI client, not opened in a browser. An invalid_token response at the URL is the auth gate working as designed; clients authenticate automatically.