"OpenRouter thinking or reasoning capabilities" matching MCP servers:

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.

Enables MCP clients to search availability, read services, resources, bookings and customers, and, when writes are enabled, reserve slots, create or cancel bookings, and add or update customers.

Lets Claude, ChatGPT and other MCP clients read a Bookwhen account's public booking data, including events (classes, courses, workshops), ticket types with availability and cost, locations, class passes, leaders and attachments. It is read-only, so it can never modify data or expose attendee or booking records.

Provides comprehensive Google Calendar integration capabilities allowing AI assistants to list, create, update, and delete calendar events through a standardized Model Context Protocol.

Forked from https://github.com/epaproditus/google-workspace-mcp-server The deletion and updates on Google Calendar were removed since there were no scope to prevent deletion whilst maintaining creation capabilities.

Enables accurate calculation of Korean public holidays, substitute holidays, and business days, with tools to check dates, list holidays, and compute working-day intervals. It works as a public MCP connector requiring no authentication or API keys.

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

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.

MCP server for managing Zoom meetings, enabling creation, update, deletion, and retrieval via Claude or Cursor.

Enables Alexa+ users to manage home-care services, compare options, schedule or change visits, and keep records of completed work.

Provides AI agents with calendar access and syncing capabilities through the Model Context Protocol.

Provides local MCP access to Apple Calendar and Reminders on macOS, with no HTTP, LAN, or cloud endpoints.

Enables AI assistants to read and, where permitted, write data in ChurchTools, schedule recurring tasks like weekly service rosters, and review or revert changes for security and transparency.

A read-only MCP connector for inspecting HelloZen configuration, exposing four tools to list custom fields, pipelines, calendars, and workflows without write access or contact data exposure.

Enables ChatGPT or other remote MCP clients to create Apple Reminders and lists, Calendar events, and Notes on a Mac through an Apple Shortcut, with tunnel or self-hosted HTTPS/OAuth connectivity.

Enables fuzzy search, creation, and management of Apple Reminders via CLI or MCP tools.

Enables local management of Jeero subscriptions and event data, synchronizing with Mother and caching events in SQLite without requiring WordPress or a hosted MCP service.

Provides read-only access to classic desktop Outlook mailbox and calendar on Windows, enabling safe email and calendar queries without any write capabilities.

Self-hosted MCP server for Elvanto church management. Enables querying upcoming rosters, service songs, and submitting unavailability via Claude or ChatGPT.

Enables AI agents to search event calendars by keyword and list upcoming or date-filtered events from a chosen calendar, returning titles, dates, venues, coordinates, and keywords.