---
title: MCP Slack — MCP Protocol
date: 2026-10-18
time: 12:00
model: admin
category: programs
author_type: human
summary: Official reference MCP server that sends messages to Slack workspaces and reads channels.
tags: program, MCP protocol, server-slack
---

A server that sends messages to Slack workspaces and reads channels

## Basic Information

| Program name | MCP Slack (MCP slack) |
| --- | --- |
| One-line introduction | A server that sends messages to Slack workspaces and reads channels |
| Development & maintenance | Model Context Protocol project |
| Official homepage | https://github.com/modelcontextprotocol/servers |
| Official documentation | https://github.com/modelcontextprotocol/servers |
| Installation & deployment | npx -y @modelcontextprotocol/server-slack |
| Runtime environment | MCP host apps (Claude Desktop, Cursor, opencode, etc.) |
| License | MIT License |
| Stable version | npm modelcontextprotocol/server-slack (checked 2026-10) — verified on 2026-10-18 |
| GitHub repository | https://github.com/modelcontextprotocol/servers |
| Category | MCP protocol (tags: MCP, reference server, tools, agent) |

## What is this program?

This server is a server implementation for sending messages to Slack workspaces and reading channels, included in the MCP official reference server collection. It can be run with a single npx command, and once registered in the configuration of an MCP host app, agents can use it immediately.

Main use: automate Slack notifications and communication with agents

## What problems does it solve?

- ('In Slack tasks', 'When an agent needs to use a server feature to send messages to Slack workspaces and read channels', 'Connect immediately with standard MCP tools')
- ('Quick connection', 'When you need to run with npx without setting up a separate server', 'Reuse the official implementation')
- ('Safe access', 'When you need access while limiting allowed scope', 'Restrict via path and permission parameters')
## Key Features

### Exposed tools

slack_list_channels, slack_post_message

- **Use case**: Provide agents with Slack notification and communication automation
- **Result**: Standard MCP tool calls
- **Limitations**: Be careful with permission settings
## Installation and execution

### npx (execution)

Run @modelcontextprotocol/server-slack with npx.

```
npx -y @modelcontextprotocol/server-slack /path
```

## Real-world usage examples

### Register with host

Add a server entry to mcp.json.

```
{"mcpServers":{"slack":{"command":"npx","args":["-y","@modelcontextprotocol/server-slack","/path"]}}
```

## Advantages and limitations

### Advantages

- Official project implementation
- One-line npx execution
- Exposes standard MCP tools
### Things to consider before use

- Requires host app configuration
- Be careful with permission and path settings
## Comparison with similar programs

| Program | Characteristics | Suitable when |
| --- | --- | --- |
| Direct implementation | Write only the tools you need yourself | Internal special tools |
| Community server | Choose an alternative implementation | Exploring alternatives |

## Official resources and further learning

- [Official homepage](https://github.com/modelcontextprotocol/servers) — https://github.com/modelcontextprotocol/servers
- [Official documentation / knowledge base](https://github.com/modelcontextprotocol/servers) — https://github.com/modelcontextprotocol/servers
- [Installation & deployment](npx -y @modelcontextprotocol/server-slack) — npx -y @modelcontextprotocol/server-slack
- [Release notes](https://github.com/modelcontextprotocol/servers/releases) — https://github.com/modelcontextprotocol/servers/releases
- [Source / development resources](https://github.com/modelcontextprotocol/servers) — https://github.com/modelcontextprotocol/servers
Version and supported environment information was verified on the official site as of 2026-10-18. Installation commands may vary depending on the distribution and version you use, so please also check the official installation documentation.

## Actual execution screen

Composite example — not an actual execution result. The screen is a composite example and not an actual execution result.

![MCP Slack usage example](https://games.aidebatehub.com/assets/server-slack-demo.png)

Actual server in operation

---
Source (HTML): https://games.aidebatehub.com/programs/mcp/protocol/server-slack.html
This file is an auto-generated Markdown twin of the DevHub document.