"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.

Enables MCP clients to search job listings, read complete job descriptions, manage local search presets and candidate pools, and prepare application or message drafts. Optional session-backed chat reading and human-confirmed single-action execution are also supported.

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

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。

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 Claude Code to read the user's own local WeChat 4.x chat history by extracting the database key from the running WeChat process memory, HMAC-verifying and decrypting the SQLCipher databases, and exposing tools to list recent chats, read conversations, and search across the whole message store. It also surfaces voice-to-text transcripts, decrypted image file paths, local file locations, quoted replies, and forwarded chat-record collections, entirely on the local machine without network access or process injection.

Enables AI assistants to operate a Discord user account (selfbot) through MCP tools: sending text messages, images, files, stickers and reactions, reading channel/DM history, listing guilds, channels and DMs, and searching stickers. It also supports autonomous reply engines that answer mentions, quotes and direct messages and naturally chime into ongoing group conversations.

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

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

Run free live audience Q&A and polls from your agent: start an AskOne room, add and launch a poll, approve or hide questions and mark them answered, close the room, then read the questions as a FAQ draft and get the results. Free AI moderation. Uses an organization API token from askone.org

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

Enables MCP clients to read, search, organise, and manage IMAP mailbox messages, including saving attachments and drafting replies, while treating mail content as untrusted and keeping write capabilities opt-in.

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.

Enables AI assistants to work in Google Chat through natural language: find spaces and direct messages, read and send messages, manage threads, reactions, attachments, and memberships while acting as the signed-in user.

Agent-native cold-email infrastructure providing ~12 high-level tools for domain setup, mailbox provisioning, campaign launch, inbox management, and metrics, all operated via MCP or CLI.

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 an MCP client to read conversations and send SMS from your own number through a paired Android phone over KDE Connect on the local network, with no cloud relay or gateway account. It exposes thread listing, message reading, contact lookup, and sending tools that hand requests to the phone via D-Bus.

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.

An MCP server that exposes Nextcloud APIs as tools for AI assistants, enabling management of files, calendar, contacts, conversations, and more.

Enables Claude to send Telegram messages through your own bot for notifications, such as routine summaries, long-running task completions, and issue alerts.

Enables privacy-aware, deterministic, read-only chat analysis through tools for briefs, aggregate interaction signals, evidence-aware claim audits, and canonical resource discovery.

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.

Gives Claude Code read-only access to a WhatsApp account: listing and filtering chats, reading message history and notes, downloading received media, looking up chat links by phone number, and reading tags, custom fields, and chat/message statuses. It never sends messages or changes contacts, notes, fields, or flows.

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

Enables two or more Claude Code terminals on the same machine to communicate by registering and sending messages via the local filesystem.

user can control instagram account with claude web

Enables AI agents to join online meetings as a silent guest, record audio locally, generate transcripts with timestamps via faster-whisper, and manage recordings through MCP tools.

An MCP server that provides AI agents with full access to the X (Twitter) API for posting, searching, and managing engagement through natural language. It supports comprehensive tools for tweet management, media uploads, and account analytics across multiple MCP-compatible clients.

An MCP server for interacting with X/Twitter, enabling posting tweets, searching, user info, timeline, liking, retweeting, and deleting tweets.

MCP server for GoCertius: certified evidence, dossiers, notifications and chats via AI agents.

Gmail MCP server for searching, reading, and sending mail over MCP.

A centralized automation hub that provides a unified interface for AI agents to interact with various services, currently featuring Discord forum post creation. It offers an extensible TypeScript architecture designed for easily adding new tool domains and integrating with platforms like Claude Desktop and Cursor.