"A tool or technique to improve prompt writing" matching MCP servers:

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.

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.

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 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 assistants to find, book, and cancel salon appointments via SalonRunner accounts. Self-hosted for local or remote use.

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

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

Provides read-only access to Hostaway PMS data, enabling assistants to answer questions about listings, calendars, reservations, and inbox threads, and generate occupancy, inbox, and completeness reports without writing or sending anything.

A reliable, cross-platform MCP server for Apple iCloud Calendar that provides guarded CalDAV CRUD operations, idempotent writes, ETag concurrency control, and recurrence expansion via stdio or HTTP.

Enables multi-account Gmail and Google Calendar access through MCP, allowing operations across multiple Google accounts with a single tool call.

Enables interaction with Feishu (Lark) via MCP for sending messages, managing calendar events, searching documents, and reading/writing bitable records.

This is a collection of Google-native tools (e.g., Gmail, Calendar) for the MCP protocol, designed to integrate seamlessly with AI clients like Claude or Cursor.

Enables reading Google Calendar events for a specific date using the getMyCalendarDataByDate tool.

A starter template for building Model Context Protocol servers that can integrate AI assistants with custom tools, resource providers, and prompt templates.

Enables AI assistants to retrieve and access Google Calendar events by date through the Google Calendar API. Provides a simple tool interface for querying calendar data with date validation and error handling.

Mu is an MCP server and web app that provides agents and humans access to real-world services like news, web search, mail, markets, weather, video, places, images, files, calendar, and contacts. It offers a wide range of tools and can be self-hosted or used live at micro.mu.

A local MCP server that lets AI assistants access Gmail, Drive, Docs, and Calendar across multiple Google accounts, routing each request by a human-readable account alias. It supports reading, searching, and writing with per-account tagging while keeping OAuth credentials secure and separate.

Enables to manage Nextcloud files, user info, sharing, calendar, and contacts through optimized MCP tools with dynamic tool selection and enterprise-grade security.

This is the Feishu/Lark official OpenAPI MCP (Model Context Protocol) tool designed to help users quickly connect to the Feishu/Lark platform and enable efficient collaboration between AI Agents and Feishu/Lark. The tool encapsulates Feishu/Lark Open Platform API interfaces as MCP tools, allowing AI assistants to directly call these interfaces and implement various automation scenarios such as document processing, conversation management, calendar scheduling, and more.