"Techniques for improving prompt effectiveness" matching MCP servers:

Enables AI assistants to book meetings, check availability, and manage Cal.com scheduling through natural conversation.

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.

A hosted MCP server that allows AI assistants to access Google Calendar and Sheets via OAuth proxy, requiring no Google Cloud setup.

MCP server giving Claude access to Tuta mail, calendar, contacts and drive. Supports mail modes (dedicated/shared/folder), trusted sender filtering with E2E verification, and Docker-based setup.

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

This MCP server helps users manage deadlines and study schedules, providing tools to add, list, and complete deadlines, a read-only resource for all deadlines, and a prompt for weekly planning.

A Model Completion Prompt (MCP) plugin that allows users to create events in Google Calendar with customizable attributes like times, description, location, attendees, and timezone.

Enables MCP-compatible clients to act as an AI receptionist for a small medical clinic, handling appointment booking and rescheduling, patient registration, intake, reminders, and FAQ answers.

A Model Context Protocol server for managing iCloud Calendar events, supporting multiple alarms and both stdio and Streamable HTTP transports.

Measures the shape of idle time in a booking calendar. Separates gaps that can actually be sold from structurally unsellable dead time, accounting for turnover time and the booking start grid. Fully offline, no API key required.

Provides real, official public holiday data for ~100 countries with tools to list holidays for a year and check if a specific date is a holiday. Free, no API key required, powered by Nager.Date.

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.

MCP server for the Shiftyasan public solver API, letting AI agents validate and solve shift-scheduling problems, with async job polling for large cases.

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.

An MCP server for Apple iCloud Calendar over CalDAV, supporting list, search, create, update, delete, RSVP, and free-time finding without local macOS dependencies.

Create scheduling polls (like Doodle) from AI agents. Find the best time for meetings, dinners, and events. 5 tools: create_poll, get_poll, vote_on_poll, get_results, finalize_poll. No authentication required.

Enables AI agents to manage appointments on Medicover's Polish patient portal, including booking, rescheduling, and slot searching for patients and dependents.

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.

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.