"Adding functionality to large language models" matching MCP servers:

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

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

Enables Claude Code to interact with Slack via MCP tools, allowing thinking steps, text streaming, status updates, and stream closure in Slack threads.

Minimal MCP server for sending messages to Poke via the inbound webhook.

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.

MCP server for qualifying and responding to inbound leads in seconds using a multi-agent AI pipeline.

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

Official MCP server for Shipmail, enabling agents to manage domains, mailboxes, messages, threads, webhooks, and suppressions via natural language.

Gives on-the-fly inboxes to AI agents. Agents / LLM's can send, receive, and take action in isolated inboxes. Built for AI unlike Gmail. Check us out at agentmail.to

A Model Context Protocol server that enables Large Language Models (like Claude) to interact with Beehiiv publications and posts through standardized tools and the Beehiiv API v2.

A Model Context Protocol (MCP) server implementation for the Didlogic API. This server allows Large Language Models (LLMs) to interact with Didlogic services through a standardized interface.

Enables interaction with Twitter through a Model Context Protocol, allowing large language models to post tweets, search for tweets, and reply to tweets.

Complete Model Context Protocol (MCP) server designed to facilitate seamless interaction between Large Language Models (LLMs) and end-users. It provides a robust set of tools for notifications, confirmations, selections, and text inputs, supporting multiple rendering modes including Console, GUI, and Telegram Bot.

Enables agents to read and sign a shared guestbook, with tools for viewing entries, statistics, and adding signatures.

Enables Claude Code to interact with Discord servers, including sending messages, reading channels, managing threads, and adding reactions via natural language commands.

Google Chat MCP server that lets AI assistants like Claude and Cursor participate directly in team conversations - search messages, help teammates, share files, and coordinate across chat platforms.

A Node.js application that connects WhatsApp Web with AI models through the Model Context Protocol, enabling automated messaging, contact management, and group chat functionality through AI-driven workflows.

A bridge that enables AI language models to publish content to the Nostr network by implementing the Model Context Protocol (MCP).

A Model Context Protocol server that enables AI models to interact with VoIPBin's VoIP services, supporting features like call management, agent management, campaigns, conferences, and chat functionality.

Provides MQTT communication capabilities for Large Language Models and other clients, enabling connections to MQTT brokers, publishing and subscribing to topics, and managing real-time messaging workflows.