"Y Combinator" matching MCP servers:

面向 Codex、WorkBuddy 等 AI 工具的知你AI助手合并版 Skills，涵盖当前会话分诊、客户查询与画像、历史会话检索、客户分群和 API Key 用量查询，并连接个微、企微、视频号、微信小程序、公众号、服务号、微信客服、微信小店、抖音号、小红书、微博、网站及H5客服等渠道。

Provider-agnostic email MCP server that connects any IMAP mailbox to AI assistants, enabling email management through natural language.

MCP server for sending messages to Slack channels and replying in threads, with automatic channel name resolution and support for Claude Desktop and KADI agents.

一个用于小红书API的MCP服务器，支持搜索笔记、获取内容、查看评论和发表评论等功能。

Discord Message Sending Service for Claude Desktop and KADI Agents that enables sending messages and replies to Discord channels via the Discord REST API.

Listens for Discord @mentions via Gateway and queues them for processing by an agent, exposing a tool to retrieve pending mentions for automated responses.

Enables ChatGPT to schedule future proactive messages and receive queued events into conversations through MCP Apps, without calling the OpenAI API.

Listens for Slack @mentions and publishes them as real-time events to the KĀDI event bus, enabling event-driven architectures with low latency.

MCP server that sends mail over SMTP, gated behind an allowlist and a human confirmation

Discover and connect your agents with other agents via A2A protocol. Share resources for free or fee.

MCP server for ntfy: publish notifications, read cached messages, manage users and topic access

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 to create text posts on Zetter (z-etter.com) from any MCP host, with posts automatically receiving an AI badge.

Connects multiple Gmail accounts to Claude Desktop via MCP, enabling email search, labeling, drafts, and confirmed sending through natural language.

Enables MCP clients to interact with the X (Twitter) API v2 through 41 typed tools for reading, searching, engaging, publishing, and managing content, with policy-based access control and session credit budgets to prevent overspending.

Lets AI assistants read rooms and notes and send signed messages to the chat over HTTP, with robust token signing and rate-limit handling.

Send WhatsApp messages from any MCP client — text, images and files, plus session management and contact checks. Authenticate by scanning a QR code: no Meta Business approval and no WhatsApp Business account required.

MCP server that gives Claude and other MCP hosts full access to Mail.app on macOS — search, read, send, reply, flag, move, and more across all accounts configured in Mail.app.

Enables interaction with the X (Twitter) API through MCP tools for managing users, posts, bookmarks, likes, and lists. Supports markdown or JSON output and uses OAuth 2.0 PKCE authentication.

An MCP server that lets an AI agent work with an ActiveMQ Artemis broker.