"SPARQL query language and tools" matching MCP servers:

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.

MCP server for a self-hostable personal planner — exposes memo, todo, calendar event, and cross-resource full-text search tools so Claude, Cursor, or any MCP client can manage your schedule and notes in natural language.

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.

Read-only MCP server for CareMan Dienstplan that exposes REST API as tools for LLMs to query duty rosters, shift requests, vacant duties, and shift swaps.

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.

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.

Exposes GitHub, SQLite database, and calendar tools, resources, and prompts over MCP so any MCP client can query data, manage issues, and schedule events.

MCP server integrating with When2Work scheduling API, enabling AI assistants to query employee schedules, shifts, time off, and reports via a set of tools.

Enables LLM agents to query current time, DST schedules, timezone conversions, working hour overlaps, and meeting time suggestions across locations via the production findtime.io Time API, including natural-language time questions and location resolution.

A read-only MCP server that exposes a published iCalendar feed as calendar-query tools, enabling users to list events, view today/upcoming schedules, search events, and inspect feed info without OAuth or admin consent. Recurring events are expanded into individual occurrences on query.

Provides tools to query, search, and list Google Calendar events using the Model Context Protocol. It enables natural language interaction for checking schedules, searching for keywords, and retrieving upcoming meetings.

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 collection of tools that enable AI assistants to interact with Apple applications and services including Contacts, Notes, Messages, Mail, Reminders, Calendar, Maps, and Web Search through the Model Context Protocol.

Exposes Korean-language utility tools to AI agents over a stdio MCP server, covering Hangul initial-consonant (chosung) extraction, conversion of integers into Korean currency words, lookup of Korean public holidays, and business-day checks for a given date.

Enables Claude, Codex, Cursor, and other MCP clients to query ITMO University student services in natural language, including schedules, grades, study plans, sports, scholarships, dormitory, bookings, queues, requests, and people search. It provides read-only access to my.itmo.ru and BARS data via ITMO.ID authentication.

Enables management of ForwardEmail domains, aliases, emails, sieve filters, contacts, calendars, and more via natural language, using 71 MCP tools.

An MCP server for managing Proton Mail, Pass, Drive, and Calendar through local IMAP/SMTP, pass-cli, and Proton Drive CLI, enabling AI agents to operate the mailbox, manage passwords, sync files, and classify emails.

Provides 240 tools for managing Google Workspace services including Gmail, Drive, Calendar, Sheets, Docs, Slides, Contacts, and Tasks via natural language.

Enables Hermes to query NAVER WORKS calendar, contacts, and organization directory through natural language, with read-only MCP tools supporting stdio and HTTP connections.

A remote MCP server for AddCal that manages published calendars, events, subscribers, RSVPs, invites, and analytics through natural language.

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 MCP clients to query German public holidays by Bundesland and school holidays, check whether dates are holidays, find upcoming holidays, and count working days using offline, sourced data.

Enables interaction with Microsoft Outlook through a unified API, supporting tools for email, calendar, and contacts management via natural language.

MCP server for iCloud integration, enabling management of calendars (CalDAV), contacts (CardDAV), and email (IMAP/SMTP) through natural language.

Enables AI workflows and coding agents to discover and invoke hosted calendar tools through an authenticated, policy-controlled gateway, with setup diagnostics and migration guidance.

Enables AI assistants to query and manage real booking data from MajinCleaningSolutions via Supabase, including checking availability, listing bookings, and updating status.

An MCP server that enables AI assistants to interact with Google Calendar and Gmail, allowing users to manage events, send emails, and organize their inbox through natural language.

A tool that enables creating and querying Apple Reminders through natural language, allowing users to set reminder content (title and notes) and specify reminder date/time.

Enables AI assistants to query and manage Altea Active memberships through natural language, including schedules, spot availability, instructor sessions, bookings, cancellations, and waitlists.

Enables AI assistants to interact with local Apple Calendar, Notes, and Contacts on macOS. Provides tools for creating, reading, updating, and deleting events, notes, and contacts through natural language.

Enables comprehensive calendar management with capabilities to create, list, update, and delete events through a Model Context Protocol server integrated with Google Calendar.

Enables AI assistants to interact with ExecuFunction's project management, knowledge base, code indexing, and calendar tools via MCP, allowing natural language management of tasks, notes, and code.

Connects Claude Code with GoHighLevel CRM to manage contacts, pipelines, calendars, conversations, workflows, funnels, and forms via natural language.

Enables AI assistants to manage tasks, projects, workspaces, schedules, comments, custom fields, recurring tasks, and statuses in Motion through natural language conversations.

A Model Control Protocol server for integrating with DingTalk, enabling users to send messages, retrieve conversation/user information, and query calendar events through Claude.

Enables households to record and query appliance maintenance, warranties, repair history, and follow-up reminders through natural-language MCP tools, with date calculations and persistent local storage handled by the server.

Enables interacting with Gmail and Google Calendar across multiple Google accounts, allowing email search, thread retrieval, draft creation, label management, and calendar event viewing, creation, and updating through natural language.

Wraps the Calendly API v2 for scheduling data, enabling AI agents to query and manage Calendly events and availability.

Provides a set of MCP tools to manage Google Calendar events via natural language, allowing creation, querying, updating, and deletion of events through a local LLM (Ollama) and MCP client.

An MCP server that enables interaction with CalDAV calendars to manage events and check availability through natural language or voice commands. It provides specific tools for listing, searching, and creating calendar entries using an OpenAI-compatible interface.