"How to write a query in Elasticsearch" matching MCP servers:

An OAuth-secured remote MCP server (22 tools) that lets Claude, ChatGPT, and Codex search All-In Summit attendee profiles, explore the live agenda, check sessions and meetings, detect scheduling conflicts, and export a calendar. Account-changing actions are only prepared for review, with the user confirming each request in the browser before any event API call is made.

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.

A stateless MCP server that forwards calendar operations to a CalDAV server, enabling AI assistants to list, search, create, update, delete events, and query free/busy information via encrypted tokens.

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.

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

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 Deputy that provides read and write access to rosters, timesheets, and shifts. It runs locally and privately, communicating directly with your own Deputy install.

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.

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

Enables read/write access to Apple Calendar on macOS by bypassing permission restrictions via JXA scripts, allowing users to manage calendar events through natural language.

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

Enables AI assistants to read, create, update, move, and delete calendar events, list calendars, and query free/busy across multiple independent Google accounts through a single interface, with each account routed explicitly and gated by role-based access control. It also includes a built-in personal time-management assistant and stores each account's OAuth tokens in a local encrypted vault.

A small MCP server for read-write access to Google Tasks, Calendar, and Drive, enforcing human approval for all mutating operations.

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.

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

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

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.

Enables full read/write control over Apple Mail.app and Calendar.app on macOS, exposing all configured accounts without per-provider setup.

Enables AI assistants to read, send, and manage emails, calendars, and contacts in a Fastmail account via the JMAP protocol.

Enables users to get and set meeting appointments in Google Calendar.