"Finding a Free MCP Weather Server Without Keys or Signup" matching MCP servers:

Enables assistants and agents to query calendar availability from Google, Outlook, iCloud, or ICS feeds and return free time slots for specified days, date ranges, or pasted messages. It exposes read-only tools for finding availability and checking calendar readability without exposing calendar addresses.

Enables voice assistants to find nearby service providers, connect users to live video representatives for natural conversation, and handle appointment booking. It also returns confirmed bookings so the assistant can add them to its calendar.

Enables full CRUD operations on calendar events, free/busy queries, and availability slot finding via CalDAV, supporting Nextcloud, Radicale, iCloud, and other RFC 4791-compliant servers.

Enables AI assistants to interact with Microsoft 365 and Office services through the Microsoft Graph API, providing tools for email, calendar, files, Teams, SharePoint, and more with configurable permissions and output formats.

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.

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.

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.

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

Enables agents to interact with a clinic booking API, including listing specialties, doctors, and a patient's appointments, and booking or cancelling appointments when the active profile permits, while preserving the caller's authority and screening tool descriptions for safety.

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 Claude (or any MCP client) to read and write events on your iCloud calendars via CalDAV.

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 MCP-compatible clients to manage Reclaim.ai tasks, including listing, creating, updating, completing, deleting, and timer operations through natural language.

MCP server for Claude to access on-premises Outlook/Exchange mailboxes via EWS with NTLM authentication, providing tools for email, calendar, and contact management without relying on Microsoft 365 or Graph API.

MCP server for Google Workspace APIs - Docs, Sheets, Drive, Gmail, and Calendar. Enables reading, creating, and editing Google Docs and Sheets, managing comments, reading emails, and viewing calendar events.

A local MCP server that lets Claude read macOS Mail.app via JXA, with tools for listing accounts/mailboxes, searching and reading messages. Read-only by default, with optional opt-in write tools for compose drafts and Apple Calendar events.

Enables MCP clients to access Stardew Valley calendar data, including current date, daily events, villager birthdays, weekly birthdays, and full seasonal calendars, through a local HTTP bridge to the HelloStardew mod. It provides read-only tools with structured success or error responses for natural-language use.