"A server to manage API rate limiting based on requests per minute" 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.

An MCP server that enables AI agents to pause and request human approval or information via Slack, Telegram, or macOS dialogs before proceeding with actions.

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

Ultimate MCP server for Telegram Bot API — 169 methods, full v9.6 coverage, meta-mode, rate limiting, and circuit breaker, enabling AI to control Telegram bots with natural language.

MCP gateway for GREEN-API WhatsApp that lets AI agents send messages, manage instances, and receive notifications via WhatsApp using the Model Context Protocol.

Provides over 1,000 creative ways to decline requests across four categories (polite, humorous, professional, and creative). The MCP server wraps a REST API to help users craft professional rejections through natural language interactions.

Enables posting, engaging, sending DMs, and reading your own account through the X API v2 with your developer App credentials, while public search remains on Grok's built-in tools.

Provides LinkedIn automation via a real browser session using your own cookie, enabling profile, company, job, and post search and reading, plus sending messages and connection requests with rate limiting.

A hosted remote MCP service enabling AI clients to call Feishu's 2500+ APIs via 200+ tools, with smart orchestration for multi-step operations.

Connects AI agents to anonymous strangers for asking and answering questions in character.

Remote MCP server providing 200+ Feishu tools (messages, calendar, Bitable, etc.) for Amazon Quick Desktop, hosted on AWS Bedrock AgentCore with multi-user OAuth isolation.

Enables AI assistants to request information and clarification from humans via Slack, supporting multiple roles and transport modes.

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

The LinkedIn API and MCP server for AI agents: search, connect, message and enrich on accounts you own, with limits enforced on our server. 20,000+ LinkedIn accounts run on this stack, and under 1% of them have ever been restricted.

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 that wraps the Evolution API (WhatsApp) as semantic tools for LLM agents, enabling messaging, chat management, group operations, and instance control via natural language.

Enables multi-account posting, replying, threading, deletes and image/GIF/video uploads through the official X API v2, plus likes, reposts, bookmarks, follows, timelines, search, DMs, Lists and trends. It runs locally over stdio so OAuth tokens and refresh stay on the user's own machine.

Enables Claude to manage WhatsApp templates, flows, and send messages through the WhatsApp Cloud API.

Exposes the Evolution API v2 (WhatsApp) as 121 tools for MCP clients, enabling management of instances, messages, chats, groups, profiles, labels, webhooks, and integrations.