"Damn Vulnerable MCP" matching MCP servers:

A macOS-only MCP server that lets Claude read and create events in Apple Calendar, list calendars, and find free time using EventKit.

Enables MCP-compatible clients to act as an AI receptionist for a small medical clinic, handling appointment booking and rescheduling, patient registration, intake, reminders, and FAQ answers.

A Model Context Protocol server for managing iCloud Calendar events, supporting multiple alarms and both stdio and Streamable HTTP transports.

Enables deterministic calculations for AI API and subscription costs, meeting time zones, recurring schedules, and cron next-run previews, returning normalized inputs, units, assumptions, dated sources, and links to results.

A self-hosted MCP server that provides secure access to iCloud Mail, Calendar, and Contacts, enabling agents to read and send email, manage calendar events, and search contacts with safety controls like approval for outgoing messages.

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.

An MCP server to manage time tracking and time off on Woffu, allowing users to clock in days, view balances, request leave, and check team availability.

Enables users to describe workouts in plain English and have them created as structured Garmin Connect workouts with pace, HR, power, cadence targets, and repeat blocks. Also provides full workout lifecycle management including listing, updating, deleting, and scheduling to the calendar.

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.

Enables AI assistants to interact with Fastmail calendars via CalDAV, allowing them to view, create, update, and delete calendar events using natural language.

MCP server for the Shiftyasan public solver API, letting AI agents validate and solve shift-scheduling problems, with async job polling for large cases.

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 discover and book local service businesses like barbers, plumbers, and mechanics directly through MCP-compatible tools.

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

Enables agents to read, create, update, and delete iCloud Calendar events, including recurring events, via CalDAV.

Provides Japanese business day calculations: add or subtract business days, count between dates, check whether a date is a business day, and reverse-calculate deadlines. Handles national holidays and year-end periods fully offline with no API keys required.

Provides Japanese national holidays, wareki (era) conversion, and date information. Works fully offline with no API keys required.

Enables AI assistants to interact with Fastmail services, providing tools for comprehensive email management, contact searching, and calendar event coordination via the JMAP API. It supports advanced features like threaded conversations, attachment handling, and bulk mailbox operations through natural language.

Enables AI agents to look up businesses, find free appointment slots, book, list and cancel appointments at salons, barbershops, nail and brow studios and clinics. Works read-only without a customer login by returning a pre-filled booking link, and can also run against a built-in demo with sample businesses.

An MCP server for Apple iCloud Calendar over CalDAV, supporting list, search, create, update, delete, RSVP, and free-time finding without local macOS dependencies.