"How to send a message on Slack" 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。

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.

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

Enables uploading local files to Slack with a message, supporting channels, DMs, threads, and file titles.

Relays a result screenshot to Slack so you can review a coding agent's output without opening the app.

Enables reading Slack channels, messages, and threads using the web interface via a persistent browser session, designed for guest users without API access. Does not send messages.

Enables sending iMessages or SMS messages via the macOS Messages app using osascript. No Full Disk Access required, and never reads your message history.

A self-hosted, read-only Slack MCP server that runs locally and provides read-only access to Slack channels, messages, and users via the Slack Web API, with no third-party intermediary.

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

MCP server that connects Claude Code to Slack, allowing two-way communication via Slack Socket Mode without tunnels.

Enables bidirectional communication between MCP clients and Slack, allowing users to receive task notifications and respond to AI inquiries directly within Slack threads. It supports various urgency levels, message threading, and interactive question-and-answer workflows.

Lets you @mention a bot in a Slack channel or DM to send work to a local Claude Code session and watch it run, with live self-updating turn cards, threaded answers, progress checklists and a per-channel inbox with read cursors. It runs entirely on your machine over Slack Socket Mode—no tunnel or public IP—routes misdelivered messages to the right project, and masks credentials in anything it posts back.

Enables AI agents to interact with Slack using a user token, providing full access to message search, channel history, DMs, and posting as the user.

Local MCP stdio bridge to Slack's hosted MCP server, enabling agents to use Slack tools (send messages, search, history, canvas, etc.) via local OAuth and token refresh.

Enables two-way communication between Claude and Slack for posting messages, managing threads, and handling files. It specifically supports asynchronous workflows by allowing Claude to poll for remote user replies and send task notifications.

Enables Slack integration with tools to list channels, read messages, and post messages using a bot token.

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.

A simplified MCP server for accessing Slack API, enabling AI assistants to list channels, post messages, reply to threads, add reactions, and get channel history.

An MCP server that enables AI agents to read and write Slack messages as the user, not as a bot, using Slack user tokens for authentic actions across multiple workspaces.

MCP Server for the Slack API, enabling Claude to interact with Slack workspaces.