"An Overview of QlikView - Business Intelligence and Data Visualization Tool" matching MCP servers:

Provides exact calendar calculations from 1971 to 2100, including OPM and Federal Reserve holiday observance, business-day addition and counting, and invoice due dates with weekend and holiday roll rules.

A server for business day arithmetic and SLA calculations, supporting holidays for ~150 countries, plus cron and recurrence-rule parsing.

Enables AI assistants to perform Japanese business calendar calculations including holiday detection, business day arithmetic, payment date settlement, and deadline management using local data.

Enables Japanese business calendar operations such as holiday checking, business day calculations, payment date calculation, fiscal year determination, and deadline tracking, all locally without external API.

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.

Enables AI agents to connect and interact with common business platforms like Shopify, WordPress, and Calendly via pre-built connectors for tasks such as product management, content operations, and scheduling.

Enables comprehensive Google Meet and Calendar management through Google Calendar API v3 and Google Meet API v2, supporting calendar event creation with Meet links, space management, transcription, recording, attendance tracking, and meeting moderation controls.

A Model Context Protocol tool that enables Claude to interact with Microsoft Outlook for macOS, allowing users to read/send emails, manage calendar events, and access contacts through natural language commands.

Enables AI agents to check Australian business days, add or subtract business days, count business days between dates, and calculate calendar or business-day deadlines across all states and territories using structured MCP tools.

MCP server demonstrating elicitation for booking appointments and an interactive MCP App for viewing appointments with SQLite persistence.

Lets Claude read and manage your iCloud Reminders and Calendar through a custom MCP connector, enabling natural language queries and actions.

Exact date and time math for AI agents: business days with public holidays for 207 countries, DST-aware time-zone conversion, meeting-time overlap, cron schedules, RRULE expansion, SLA deadlines, payroll dates and natural-language date parsing. 13 tools. 25 free calls per day, then $0.001 per call via x402 (USDC on Base). No signup or API key.

Empowers AI assistants with real-world capabilities including note management, Gmail integration, Google Calendar and Tasks management, and Git repository operations through the Model Context Protocol.

Provides accurate time zone conversions, DST-safe scheduling, holidays for 200+ countries, business day calculations, and cross-zone meeting slot suggestions.

A minimal MCP server that exposes a single tool, day_in_week, to return the current weekday name.

Provides verified ANZ public holidays, school terms, and business-day calculations for all 9 regions of Australia and New Zealand, backed by data for 2026 and 2027.

Enables AI clients to fetch and list calendar events from Morgen, supporting end-of-day diary generation by providing schedule data.

Enables Claude to manage a service business front desk by searching customers, checking real-time availability, creating and canceling appointments without double-booking, and generating revenue reports from actual data.

An MCP server that provides 49 tools to access Microsoft Outlook for Mac, enabling management of mail, calendar, contacts, tasks, and notes via AppleScript.

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.

Exposes Apple Calendar data through an EventKit helper app. Enables reading, creating, updating, and deleting calendar events on macOS.

A comprehensive time and calendar utility server that provides timezone conversions, date arithmetic, and business day calculations for AI agents. It features extensive support for the Chinese lunar calendar, including almanac data, festivals, and public holiday tracking across multiple regions.

Enables AI agents to query Türkiye-specific data and logic without API keys: official central-bank exchange rates and currency conversion, live AFAD/Kandilli earthquakes, the official holiday calendar with business-day math, IBAN/TCKN/VKN validation, province and district lookup, prayer times, weather forecasts, plus Turkish-correct text casing and amounts written out in words. All 17 tools are read-only, with most working fully offline.

MCP server for Japanese business days, public holidays, wareki dates, and tax arithmetic, helping AI agents avoid common Japanese date and tax errors.

An unofficial MCP server for Tend dental that aims to let users access their own Tend account data (e.g., appointments) via natural language. Currently it is scaffold-only with stub API calls and not yet functional.

Book a table, an appointment or a place in a class at a real local business. Live availability, instant confirmation, no account and no API key. Eight tools: search, fetch, get_business, check_availability, create_booking, check_booking, cancel_booking and request_listing. Guest emails in eight languages. Hosted at https://g-guest.app/api/mcp

Enables students to view their courses, assignments and deadlines, review past submissions, and retrieve or save copies of their own uploaded files without making any changes to stored data.

Deterministic temporal reasoning engine for AI agents. LLMs are surprisingly bad at dates, timezones, business days, holidays, and recurring schedules. Taghvim gives agents deterministic temporal primitives they can call instead of guessing.

An unofficial MCP server that exposes the Timetastic API to enable querying and managing absence & leave data.

An MCP server that gives Claude Code and Codex full control of a personal Outlook.com mailbox and calendar via the Microsoft Graph API, enabling mail, draft, folder, and calendar operations through natural language.