"Giving Claude full access to SQL Server for free" matching MCP servers:

Shows your current Claude Desktop activity as Discord Rich Presence, including model, status, usage, and subscription info.

Enables automatic collection and AI analysis of Slack messages to create organized Notion pages, supporting custom analysis directions like meeting minutes, issue extraction, and topic classification.

Model Context Protocol (MCP) server for VKontakte (VK) — the largest social network in Russia and CIS countries.

Enables AI agents to securely read from and interact with Matrix and Microsoft Teams chat under scoped, expiring, human-approved grants, with per-operation approval for sending and editing messages and no free access to room content.

MCP server for AI agents to send notifications, copy to clipboard, request confirmations, and collect text input from users across their devices.

Enables AI CLI agents to interact with WhatsApp using an unofficial multi-device API, supporting messaging, chat/group/channel management, statuses, and an AI-driven inbox without requiring an official API key.

Enables agents to convert Markdown into WhatsApp-compatible formatting, including styled text, lists, and tables that fit a phone's monospace width.

Enables Claude Code sessions to communicate with each other, allowing discovery, messaging, and synchronous queries across sessions.

Provides MCP-compatible AI clients with full access to a Flarum forum's API, enabling reading, searching, creating discussions, replying, moderation, and management of users, tags, and groups.

Enables real-time cross-machine communication for Claude Code agents using a shared MCP relay server.

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.

Enables structured team communication for Claude Code agents through Slack-like channels and direct messages. Supports project isolation, subscription management, and agent notes for sophisticated multi-agent collaboration workflows.

Enables networked Claude-to-Claude messaging over HTTP and MCP channels, allowing direct messages, broadcasts, threaded replies, and permission approvals among Claude Code instances.

Enables real-time messaging between Claude Code instances, allowing agents to send, receive, and reply to messages instantly via file-based communication with auto-notification.

Connects Discord to Claude Code, turning forum threads into interactive sessions. Supports approvals, live progress, slash commands, and terminal access.

Relays messages between two Claude Code sessions running on separate machines, using the Channels API to push an incoming message directly into the other session so one session can ask another about its own checkout. Each message carries an id and is tracked as sent, delivered-to-process, or answered, with a per-message reply budget.

This MCP server enables an AI receptionist to manage field-service bookings end-to-end: checking technician availability from live Outlook calendars, sending asynchronous SMS offers, tracking request status, and creating confirmed Outlook events with ETag-locked concurrency, all without customer sign-in.

Publish reliable, duplicate-free Telegram posts from ChatGPT — manually or as part of a scheduled workflow.

MCP server that watches issue trackers and comments for 'Dear Claude' and spawns local Claude Code instances to execute tasks, posting results back to the original platform.

Enables Claude Code instances to discover each other and exchange messages instantly via a local broker and channel protocol. Supports scoped peer discovery, reliable ack-based delivery, and cross-platform operation.