"Connecting a backend project to an Elasticsearch database" matching MCP servers:

A Model Context Protocol (MCP) server that connects to a PostgreSQL database to manage appointment scheduling.

A demonstration project that implements a Model Context Protocol (MCP) server with example tools for calendar, task management, and weather functionality in a Docker container.

Enables users to manage appointments through a FastAPI backend with PostgreSQL database. Supports creating, listing, updating, and deleting appointments via natural language interactions through Claude.

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.

Enables AI assistants to read and create Fantastical calendar events on macOS using local database access and URL schemes, working entirely offline without API keys or network access.

A broker that queues agent requests (plans, questions, FYIs) and batches them by urgency into proposed meetings, leaving actual calendar booking to an attached calendar MCP.

An ADT-based calendar management system that enables users to create, update, and organize events by category with integrated stamina tracking functionality.

MCP server for Universidade de São Paulo's student systems (Moodle, JupiterWeb) enabling assistants to query grades, schedule, tasks, and more via secure backend.

A comprehensive personal productivity server that manages projects, todos, calendar events, documents, and status tracking with support for encrypted storage and multiple database backends.

One secure, self-hosted MCP endpoint connecting AI agents to your real accounts (mail, calendar, files, notes), with per-profile separation, explicit permission enforcement, and an append-only audit log.

MCP server that lets AI agents manage real todos, calendar events, and daily habits in the Kenotex planner app for Mac/iPhone via a local HTTP server and SQLite database.

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.

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.

An unofficial MCP server that enables adding content to daily notes, creating notes, saving links, and scheduling reminders in Reflect from Claude Desktop.

Enables an AI assistant to access and manage mail, calendar, contacts, files, sharing, and Sieve through a local Stalwart JMAP server, with configurable write policies that require confirmation for irreversible actions.

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 a Telegram chatbot to create Google Calendar events, schedule reminders, and summarize CSV files via an AI agent using the Model Context Protocol.

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