"An open-source relational database management system" matching MCP servers:

Enables users to connect to their email inbox via IMAP to search, filter, and summarize emails based on criteria like subject, date, and sender. Supports marking emails as read and provides customizable email summarization with various prompt options.

Enables ChatGPT to search, read, send, and organize email in a self-hosted inbox through private MCP tools.

An MCP server that enables concurrently-running Claude Code sessions to cross-talk via channels, DMs, and leader coordination, all backed by a shared beads database.

A self-hosted WhatsApp gateway that exposes messaging capabilities via MCP, allowing AI agents to send, receive, and manage WhatsApp messages through a single-command setup with SQLite storage.

MCP server for Yahoo Mail over IMAP+SMTP that enables AI assistants to manage emails fully—listing, reading, searching, threading, flagging, moving, archiving, handling attachments, and sending/reply/forward/draft—using an app-specific password.

An AI-powered meeting assistant that combines FastAPI backend with React frontend to generate high-quality meeting summaries and provide Q&A functionality using OpenAI and Selenium.

A comprehensive customer support platform featuring real-time messaging, knowledge base management, and a multi-tenant architecture with both React frontend and Node.js backend.

Gives your AI assistant full control of a Discord server: 148 tools for chat, moderation, automod, events, and administration, up to building a complete community server from one paragraph. Every destructive action previews first and waits for your confirmation.

A remote Model Context Protocol server for Feishu (Lark) that supports OAuth authentication and deployment on Cloudflare Workers. It allows AI clients to interact with Feishu documents, perform content searches, and manage document blocks with a zero-configuration experience.

Dingtalk MCP Server

A smart commute assistant that monitors travel routes via the Amap API and sends automated notifications to DingTalk. It enables users to schedule daily route checks and receive real-time traffic updates using a modular MCP-based architecture.

Provides 50+ tools for audit, repair, notifications, GL posting, reporting, and complete Fineract administration — all accessible from any MCP-compatible AI client.

A trusted, open-source MCP server for Telegram that enables LLMs to send messages, structured notifications with buttons, and wait for user replies using only bot token authentication.

An MCP server that connects Claude to a 3CX Phone System (V20+), enabling user management, call monitoring, contact search, and forwarding configuration.

An open-source MCP server that gives parents real-time oversight and guardrails over their children's AI agent interactions, with features like content filtering, spiral detection, and approval flows.

Enables Claude to interact with the HAOps project management system for managing projects, modules, features, and issues.

An open-source MCP server that gives AI assistants a searchable memory of your entire personal communication history by ingesting messages from multiple platforms and indexing them with hybrid search.

A TypeScript-based MCP server that implements an email sending system, allowing Claude to send emails via the blastengine service.

MCP server that exposes the complete Libredesk REST API (54 endpoints) as tools, enabling natural language management of conversations, contacts, agents, teams, and more for the open-source customer support desk.

Open-source shared rooms for AI agent conversations across Claude Code, Codex, Pi, OpenCode, and DeepSeek Harness. The Apache-2.0 core provides messaging, room history, MCP integrations, and self-hosting on Cloudflare.