"Using the Vercel API" matching MCP servers:

Measures the shape of idle time in a booking calendar. Separates gaps that can actually be sold from structurally unsellable dead time, accounting for turnover time and the booking start grid. Fully offline, no API key required.

Provides real, official public holiday data for ~100 countries with tools to list holidays for a year and check if a specific date is a holiday. Free, no API key required, powered by Nager.Date.

MCP server that wraps the AddEvent Calendar & Events API v2, allowing Claude to create, search, retrieve, update, and delete events, calendars, and RSVP attendees, plus list timezones.

Enables AI assistants to manage events, venues, organizers, and tickets on WordPress sites via CRUD operations.

Enables AI agents and scripts to read and manage events on your account — guest lists with questionnaire answers, CSV export, check-in, approvals, invites and Text Blasts — through your own signed-in Chrome session, with no public API or official integration required. Runs locally over stdio, streamable HTTP, a REST API with OpenAPI docs, and a Python client.

Lets Claude read email and read/write calendar events for personal Microsoft accounts (Hotmail/Outlook/Live) via Microsoft Graph API, filling the gap where the official connector only supports work/school accounts.

Enables AI agents to interact with Microsoft Teams through Microsoft Graph API, using delegated device-code authentication to act on behalf of the user.

Enables managing Google Calendar events (list, create, delete, update) through Claude Desktop using the Model Context Protocol.

Enables an agent to read and manage calendars across Nextcloud, iCloud, Google and any CalDAV server, merging every account into one sorted view. Exposes tools for listing and searching events, finding free time, and creating, updating or deleting events, with secrets kept out of the config.

MCP server for the eRezo API that enables managing professional contacts and events directly from Claude, including listing, creating, updating, and deleting contacts, as well as event registration.

Enables Polish public holiday lookups and business-day arithmetic (e.g., adding business days, counting business days) using the Nager.Date API, defaulting to Poland but supporting 110+ countries.

Enables parents to view and manage their child's school arrival and dismissal details, including calendar, pickup changes, drivers, and school information, using the SchoolPass REST API.

Read-only MCP server to search and read emails and calendar events from a BlueMind account via the BlueMind REST API.

A Model Context Protocol (MCP) server for accessing Fathom AI API endpoints (meetings, recordings, transcripts, summaries, teams, team members) via GET operations.

Enables Claude to schedule, query, and cancel Calendly events via Calendly API v2, allowing direct event management without the public booking form.

Enables AI agents and scripts to manage bookings, provider assignment, rescheduling, cancellations, customers, quotes, invoices, and dashboard data through a self-hosted API and MCP interface using your own Chrome session.

Self-hosted Fresha API and MCP server in Python: 17 Fresha tools for appointments, clients, services, team and reviews, on the session of your own Chrome. Personal use.

Enables read-only access to SimplePractice Client Portal data — appointments, billing, documents, and announcements — via the portal's JSON:API, using passwordless portal sign-in.

An MCP server for the Luma Events API that enables creating, updating, and managing events and guests.

MCP server to list and get events from Evento's public API using an API key.

Enables AI assistants to read and create Fantastical calendar events on macOS using local database access and URL schemes, working entirely offline without API keys or network access.

A Model Context Protocol (MCP) server for the Calendly API. Manage events, invitees, and schedule meetings directly via AI assistants.

Enables AI agents to read and manage Microsoft 365/Outlook email and calendar, with destructive actions (send email, create event) requiring human approval.

Allows scheduling meetings in Microsoft Outlook using Microsoft Graph API, with features for creating calendar events and adding attendees by finding their email addresses.

Enables interaction with Calendly's scheduling platform via MCP, allowing users to manage events, invitees, and schedule meetings directly using the Calendly API.

Provides access to Granola notes, meeting transcripts, calendar events, and document panels through the Granola API, enabling search and retrieval of meeting-related content.

MCP server for Outlook/Office365 that lets AI agents read inboxes, send emails, and manage calendar events and availability via 11 tools, using OWA REST API with Playwright fallback.

Enables AI assistants to manage Microsoft Outlook email and calendar through the Microsoft Graph API, including reading, sending, searching emails, and handling calendar events.

Enables MCP clients such as Claude to read and manage persons, groups, calendars, events, and any of the 800+ ChurchTools API endpoints in a connected church instance using natural language. Reads execute immediately, while every write returns a preview of the intended change for approval before anything is committed, with one-time expiring tokens and a check for concurrent modifications.

Exposes the ProDoctor Cloud API as MCP tools for AI agents to manage appointments, patients, users, and procedures.