Slack

Name: Slack
Author: pulsemcp

by pulsemcpversion 0.0.7i★ 81 (Stars for the whole repo)iRuns on your computer

Registry namecom.pulsemcp/slack

How to install

What it does

MCP server for Slack — read/write messages, manage threads, and react to messages.

Connects Runs on your computer
Account or key Needs SLACK_BOT_TOKEN
Category Chat & email

Install

Pick the AI app you use, then copy the settings.

Passed 3/3 checks · Runs on your computer · ✓ Commands checked Nov 14, 2026

First: which AI do you use?

ClaudeWeb · app · phoneChatGPTWebClaude CodeTerminalCursorCode editorVS CodeCode editorOtherOther apps

Pick your app and the steps appear below.

Works with Claude, with some setup first

You need a Slack key (create it on the maker’s site) · Install Node.js on your computer first (one time) · Only the Claude desktop app (Windows or Mac), not the web or phone

Let AI install it

Copy this message into a Claude chat. The AI checks your computer, tells you which file it will change, and waits for your OK every time.

Please install the MCP server Slack for Claude on this computer, in this order: 1) Check Node.js with node -v. If it is missing, tell me to install it from https://nodejs.org/en/download; do not install it yourself. 2) Use only this config (already checked by PopNx MCP): { "mcpServers": { "slack": { "command": "npx", "args": [ "-y", "slack-workspace-mcp-server" ], "env": { "SLACK_BOT_TOKEN": "your-value" } } } } 3) Tell me the full path of the file you will change, or the command you will run, and wait for my OK. 4) For SLACK_BOT_TOKEN, leave "your-value" in place and tell me to paste the real value myself into the file or the app’s field. Never ask me to type a key in chat. 5) Do what we agreed, then check that the Slack tools really show up.

This message has no key in it. If a key is needed, the AI will ask you to paste it yourself into the file or the app’s field.

1
Install Node.js (if you don’t have it)
Already installed? Check first · Open Terminal, type this command and press Enter
node -v
- A version number such as v26.13.1 = installed, skip this step
- "command not found" (on Windows: "is not recognized") = not installed yet, or installed but Terminal needs to be closed and reopened
How to open Terminal
Mac: press ⌘ + Space, type Terminal, press Enter
Windows: open Start, type Windows PowerShell, then Open
Not installed: Open the official download page, pick the LTS version and the click-through installer: .pkg on Mac · .msi on Windows. Double-click and follow it to the end. No curl command needed
Open the Node.js download page ↗
When it’s done, close Terminal, open it again and run the same command. You should see a version number: node -v
Install once; it works for everything that needs Node.js
Done
Sign up and create a Slack key
Open the maker’s site, sign up and create an API key for the next step. Check the maker’s site for pricing and free plans.
How to get a key is in the maker’s README below
Done
Open the Claude desktop app’s settings file
SettingsDeveloperEdit Config
Done

Paste these settings and save the file

{
  "mcpServers": {
    "slack": {
      "command": "npx",
      "args": [
        "-y",
        "slack-workspace-mcp-server"
      ],
      "env": {
        "SLACK_BOT_TOKEN": "your-value"
      }
    }
  }
}

Paste the key only into the app’s field, never into a chat or to anyone

Done

Quit Claude and open it again
Done
Try it
Use Slack and tell me what you can do for me, then show me one thing
✓ If Claude says it is using Slack or shows a Slack tool in the answer, you are connected

1 optional setting(s) (works without them)

The command above works without these. Add them only if you want to change something, following the maker’s description.

ENABLED_TOOLGROUPS Comma-separated list of tool groups to enable (readonly, write).

Descriptions are as written by the maker.

Menu names checked against Anthropic’s help page on Nov 11, 2026 · your screen may differ slightly by app version

ChatGPT cannot connect Slack yet

Slack runs on your computer, but ChatGPT can only connect servers that run on the web

What you can do instead

A · Use an app that can connect Slack

Steps for Claude →You need a Slack key (create it on the maker’s site) · Install Node.js on your computer first (one time) · Only the Claude desktop app (Windows or Mac), not the web or phone
Steps for Claude Code →You need a Slack key (create it on the maker’s site) · Install Node.js on your computer first (one time)
Steps for Cursor →You need a Slack key (create it on the maker’s site) · Install Node.js on your computer first (one time)
Steps for VS Code →You need a Slack key (create it on the maker’s site) · Install Node.js on your computer first (one time)

B · Others in Chat & email that work with ChatGPT

Picked from the most used in the same category, only ones that connect by address with no key

HyperFrames by HeyGen✓ ChatGPT
Inbox Zero✓ ChatGPT
emailmd✓ ChatGPT

Works with Claude Code, with some setup first

You need a Slack key (create it on the maker’s site) · Install Node.js on your computer first (one time)

Let AI install it

Copy this message into a Claude Code chat. The AI checks your computer, tells you which file it will change, and waits for your OK every time.

Please install the MCP server Slack for Claude Code on this computer, in this order: 1) Check Node.js with node -v. If it is missing, tell me to install it from https://nodejs.org/en/download; do not install it yourself. 2) Use only this config (already checked by PopNx MCP): claude mcp add --scope user slack --env SLACK_BOT_TOKEN=your-value -- npx -y slack-workspace-mcp-server 3) Tell me the full path of the file you will change, or the command you will run, and wait for my OK. 4) For SLACK_BOT_TOKEN, leave "your-value" in place and tell me to paste the real value myself into the file or the app’s field. Never ask me to type a key in chat. 5) Do what we agreed, then check that the Slack tools really show up.

This message has no key in it. If a key is needed, the AI will ask you to paste it yourself into the file or the app’s field.

1
Install Node.js (if you don’t have it)
Already installed? Check first · Open Terminal, type this command and press Enter
node -v
- A version number such as v26.13.1 = installed, skip this step
- "command not found" (on Windows: "is not recognized") = not installed yet, or installed but Terminal needs to be closed and reopened
How to open Terminal
Mac: press ⌘ + Space, type Terminal, press Enter
Windows: open Start, type Windows PowerShell, then Open
Not installed: Open the official download page, pick the LTS version and the click-through installer: .pkg on Mac · .msi on Windows. Double-click and follow it to the end. No curl command needed
Open the Node.js download page ↗
When it’s done, close Terminal, open it again and run the same command. You should see a version number: node -v
Install once; it works for everything that needs Node.js
Done
Sign up and create a Slack key
Open the maker’s site, sign up and create an API key for the next step. Check the maker’s site for pricing and free plans.
How to get a key is in the maker’s README below
Done
Open Terminal
Mac: press Command+Space and type Terminal · Windows: open PowerShell
Done
4
Paste this command and press Enter
```
claude mcp add --scope user slack --env SLACK_BOT_TOKEN=your-value -- npx -y slack-workspace-mcp-server
```
Replace “your-value” with your key before pressing Enter
Paste the key only into the app’s field, never into a chat or to anyone
Done
Type /mcp in Claude Code
You should see Slack listed as connected
Done
Try it
Use Slack and tell me what you can do for me, then show me one thing
✓ If Claude Code says it is using Slack or shows a Slack tool in the answer, you are connected

1 optional setting(s) (works without them)

The command above works without these. Add them only if you want to change something, following the maker’s description.

ENABLED_TOOLGROUPS Comma-separated list of tool groups to enable (readonly, write).

Descriptions are as written by the maker.

Menu names checked against Anthropic’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Works with Cursor, with some setup first

You need a Slack key (create it on the maker’s site) · Install Node.js on your computer first (one time)

Let AI install it

Copy this message into a Cursor chat. The AI checks your computer, tells you which file it will change, and waits for your OK every time.

Please install the MCP server Slack for Cursor on this computer, in this order: 1) Check Node.js with node -v. If it is missing, tell me to install it from https://nodejs.org/en/download; do not install it yourself. 2) Use only this config (already checked by PopNx MCP): { "mcpServers": { "slack": { "command": "npx", "args": [ "-y", "slack-workspace-mcp-server" ], "env": { "SLACK_BOT_TOKEN": "your-value" } } } } 3) Tell me the full path of the file you will change, or the command you will run, and wait for my OK. 4) For SLACK_BOT_TOKEN, leave "your-value" in place and tell me to paste the real value myself into the file or the app’s field. Never ask me to type a key in chat. 5) Do what we agreed, then check that the Slack tools really show up.

This message has no key in it. If a key is needed, the AI will ask you to paste it yourself into the file or the app’s field.

1
Install Node.js (if you don’t have it)
Already installed? Check first · Open Terminal, type this command and press Enter
node -v
- A version number such as v26.13.1 = installed, skip this step
- "command not found" (on Windows: "is not recognized") = not installed yet, or installed but Terminal needs to be closed and reopened
How to open Terminal
Mac: press ⌘ + Space, type Terminal, press Enter
Windows: open Start, type Windows PowerShell, then Open
Not installed: Open the official download page, pick the LTS version and the click-through installer: .pkg on Mac · .msi on Windows. Double-click and follow it to the end. No curl command needed
Open the Node.js download page ↗
When it’s done, close Terminal, open it again and run the same command. You should see a version number: node -v
Install once; it works for everything that needs Node.js
Done
Sign up and create a Slack key
Open the maker’s site, sign up and create an API key for the next step. Check the maker’s site for pricing and free plans.
How to get a key is in the maker’s README below
Done
Click this button to open Cursor
Open in Cursor
Cursor asks you to confirm; click Install
Done
Fill in your key
In the Slack settings, SLACK_BOT_TOKEN is empty; add your key and save
Paste the key only into the app’s field, never into a chat or to anyone
Done
Open the AI chat in Cursor in Agent mode
Done
Try it
Use Slack and tell me what you can do for me, then show me one thing
✓ If Cursor says it is using Slack or shows a Slack tool in the answer, you are connected

1 optional setting(s) (works without them)

The command above works without these. Add them only if you want to change something, following the maker’s description.

ENABLED_TOOLGROUPS Comma-separated list of tool groups to enable (readonly, write).

Descriptions are as written by the maker.

Menu names checked against Cursor’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Works with VS Code, with some setup first

You need a Slack key (create it on the maker’s site) · Install Node.js on your computer first (one time)

Let AI install it

Copy this message into a VS Code chat. The AI checks your computer, tells you which file it will change, and waits for your OK every time.

Please install the MCP server Slack for VS Code on this computer, in this order: 1) Check Node.js with node -v. If it is missing, tell me to install it from https://nodejs.org/en/download; do not install it yourself. 2) Use only this config (already checked by PopNx MCP): { "servers": { "slack": { "type": "stdio", "command": "npx", "args": [ "-y", "slack-workspace-mcp-server" ], "env": { "SLACK_BOT_TOKEN": "your-value" } } } } 3) Tell me the full path of the file you will change, or the command you will run, and wait for my OK. 4) For SLACK_BOT_TOKEN, leave "your-value" in place and tell me to paste the real value myself into the file or the app’s field. Never ask me to type a key in chat. 5) Do what we agreed, then check that the Slack tools really show up.

This message has no key in it. If a key is needed, the AI will ask you to paste it yourself into the file or the app’s field.

1
Install Node.js (if you don’t have it)
Already installed? Check first · Open Terminal, type this command and press Enter
node -v
- A version number such as v26.13.1 = installed, skip this step
- "command not found" (on Windows: "is not recognized") = not installed yet, or installed but Terminal needs to be closed and reopened
How to open Terminal
Mac: press ⌘ + Space, type Terminal, press Enter
Windows: open Start, type Windows PowerShell, then Open
Not installed: Open the official download page, pick the LTS version and the click-through installer: .pkg on Mac · .msi on Windows. Double-click and follow it to the end. No curl command needed
Open the Node.js download page ↗
When it’s done, close Terminal, open it again and run the same command. You should see a version number: node -v
Install once; it works for everything that needs Node.js
Done
Sign up and create a Slack key
Open the maker’s site, sign up and create an API key for the next step. Check the maker’s site for pricing and free plans.
How to get a key is in the maker’s README below
Done
Click this button to open VS Code
Open in VS Code
VS Code asks you to confirm; click Install
Done
Fill in your key
In the Slack settings, SLACK_BOT_TOKEN is empty; add your key and save
Paste the key only into the app’s field, never into a chat or to anyone
Done
Open the AI chat in VS Code in Agent mode
Done
Try it
Use Slack and tell me what you can do for me, then show me one thing
✓ If VS Code says it is using Slack or shows a Slack tool in the answer, you are connected

1 optional setting(s) (works without them)

The command above works without these. Add them only if you want to change something, following the maker’s description.

ENABLED_TOOLGROUPS Comma-separated list of tool groups to enable (readonly, write).

Descriptions are as written by the maker.

Menu names checked against VS Code’s help page on Nov 11, 2026 · your screen may differ slightly by app version

Other apps that use MCP, such as Windsurf, Zed or Gemini CLI, each add servers differently. See how in the app list.

See every app that uses MCP →

JSON settings are under “For developers” below

Stuck? Ask people who use Slack💬 Discussion →

For developers: Terminal commands and JSON settings

Installed on your computer

Claude Code

claude mcp add --scope user slack --env SLACK_BOT_TOKEN=your-value -- npx -y slack-workspace-mcp-server

Claude Desktop (claude_desktop_config.json)

{
  "mcpServers": {
    "slack": {
      "command": "npx",
      "args": [
        "-y",
        "slack-workspace-mcp-server"
      ],
      "env": {
        "SLACK_BOT_TOKEN": "your-value"
      }
    }
  }
}

Cursor (~/.cursor/mcp.json)

{
  "mcpServers": {
    "slack": {
      "command": "npx",
      "args": [
        "-y",
        "slack-workspace-mcp-server"
      ],
      "env": {
        "SLACK_BOT_TOKEN": "your-value"
      }
    }
  }
}

VS Code (mcp.json)

{
  "servers": {
    "slack": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "slack-workspace-mcp-server"
      ],
      "env": {
        "SLACK_BOT_TOKEN": "your-value"
      }
    }
  }
}

Values you fill in

SLACK_BOT_TOKEN secret required env
Slack Bot User OAuth Token starting with xoxb-.
ENABLED_TOOLGROUPS env
Comma-separated list of tool groups to enable (readonly, write).

Descriptions are as written by the maker.

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

At a glance

GitHub stars i: 81 (Stars for the whole repo)
This repo holds several MCP listings; its stars count once in rankings
Downloads per weeki: 398/wk
Verified domain: ✓ pulsemcp.com
Licence i: MIT
Connection: Runs on your computer
Transport: stdio
Latest versioni: 0.0.7
Categoryi: Chat & email
Published to registryi: Jun 15, 2026
Code last changedi: Oct 10, 2026
Maker: pulsemcp
Packages: npm: slack-workspace-mcp-server
Repo: pulsemcp/mcp-servers
Registry status: Active

Which apps can use it

Based on how this server connects and on each app’s own docs, checked Nov 10, 2026.

Run on your computer in

Claude Goose LM Studio Msty Studio Cherry Studio Cursor VS Code + GitHub Copilot Visual Studio Windsurf (Devin Desktop)Zed Kiro Cline Continue JetBrains AI Assistant Claude Code Codex CLI Gemini CLI OpenCode nodecode Warp LibreChat Raycast

All apps, with pros and cons →

What it can do

Runs on your computer; the tool list appears in your AI app after you install it.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 15, 2026

✓ Pass
Maker matches the repo
The registry name was verified against the domain pulsemcp.com (the registry checks domain ownership)
✓ Pass
Still maintained
Code last changed 36 days ago
✓ Pass
Has a licence
Uses MIT
– Not applicable
Endpoint responds
This one runs on your computer; there is no internet endpoint
– Not applicable
Sign-in with OAuth
Runs on your computer and uses local settings instead
… Not checked yet
No hidden instructions in tool descriptions
Runs on your computer; we can only read tool lists from internet endpoints

Published vulnerabilities (OSV.dev)

Not checked yet

What we check → · JSON

Makers: ask for a re-check or report wrong info

Discussion

Ask, share a tip or report that it does not work. Sorted by what people marked helpful.

No posts yet. Be the first to ask or share.

Posts here are written by users, not the PopNx team.

User reviews

No reviews yet

Compared with others in Chat & emaili

More stars than 96% of the other 2049 servers in this category
Published to the registry more recently than 11% of the other 2049 servers in this category
Basic checks equal to or better than 100% of the other 2049 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is Slack safe?

It passed 3 of 3 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

You need to fill in: SLACK_BOT_TOKEN

Does it run on my computer or in the cloud?

It runs on your computer. Your AI app starts it when needed, and data does not pass through the maker’s servers (unless it calls an online service itself).

Is it still maintained?

The GitHub repo last changed 36 days ago, and the latest version (0.0.7) reached the registry 5 months ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. You also need Node.js on your computer.

What can I use instead?

In the same category: draw.io, Vexa, emailmd, Kite Discord Bot Builder, e2a — email for AI agents

Similar alternatives

Same category, other makers, commands already checked. Official ones first, then by stars.

Reading a card:↓ Downloads per weeki★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

draw.io

Create draw.io diagrams in chat from Mermaid or XML, shown live and interactive. 10,000+ shapes.

by jgraphWidely used★ 5.8KUpdated 5 days ago

Runs in the cloud✓ service owner · draw.io

How to connect

Vexa

Meeting bot and transcripts for Google Meet, Teams and Zoom. Live or after, speakers labelled.

by Vexa-aiWidely used★ 3KUpdated 2 months ago

Runs in the cloud✓ service owner · vexa.ai

How to connect

emailmd

Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.

by anypostWidely used↓ 5.4K/wk★ 1.4KUpdated yesterday

Computer or cloud✓ service owner · emailmd.dev

Install

Kite Discord Bot Builder

Build and fix Discord bots from a chat. Kite hosts them 24/7, with no code to deploy.

by merlinfuchsGrowing★ 334 Stars for the whole repoUpdated 18 days ago

Runs in the cloud✓ service owner · kite.onl

How to connect

e2a — email for AI agents

Authenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM verified.

by tokencanopyGrowing★ 199 Stars for the whole repoUpdated 4 months ago

Runs in the cloud✓ service owner · e2a.dev

How to connect

draw.io — Runs in the cloud, nothing to install · No key needed
Vexa — Runs in the cloud, nothing to install · Needs a key
emailmd — Cloud or install on your computer · No key needed
Kite Discord Bot Builder — Runs in the cloud, nothing to install · No key needed
e2a — email for AI agents — Runs in the cloud, nothing to install · No key needed

README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

Slack MCP Server

A Model Context Protocol (MCP) server for integrating with Slack workspaces. This server provides tools for reading and writing messages, managing threads, and reacting to messages in Slack.

Features

List Channels - View all accessible public and private channels
Read Channel - Get channel info and recent messages
Read Threads - Get full threaded conversations
Post Messages - Send new messages to channels
Reply to Threads - Continue threaded conversations
Update Messages - Edit previously posted messages
React to Messages - Add emoji reactions to messages
Upload Snippets - Upload text content as file snippets (for long content that exceeds message limits)

Setup

Prerequisites

A Slack workspace with admin permissions to create apps
A Slack Bot Token (see instructions below)

Environment Variables

Variable	Required	Description	Default
`SLACK_BOT_TOKEN`	Yes	Slack Bot User OAuth Token	-
`ENABLED_TOOLGROUPS`	No	Comma-separated list of tool groups	All enabled

Getting a Bot Token

Go to api.slack.com/apps
Create a new app or select an existing one
Navigate to OAuth & Permissions
Add the following Bot Token Scopes:

channels:read - View basic channel information
channels:history - View messages in public channels
groups:read - View private channels
groups:history - View messages in private channels
chat:write - Send messages
reactions:write - Add reactions
files:write - Upload files and snippets

Install the app to your workspace
Copy the Bot User OAuth Token (starts with xoxb-)

Claude Desktop

Make sure you have your Slack Bot Token ready.

Then proceed to the setup instructions below. If this is your first time using MCP Servers, you'll want to make sure you have the Claude Desktop application and follow the official MCP setup instructions.

Manual Setup

You're going to need Node working on your machine so you can run npx commands in your terminal. If you don't have Node, you can install it from nodejs.org.

macOS: ~/Library/Application Support/Claude/claude_desktop_config.json

Windows: %APPDATA%\Claude\claude_desktop_config.json

Modify your claude_desktop_config.json file to add the following:

"mcpServers": { "slack": { "command": "npx", "args": ["-y", "slack-workspace-mcp-server"], "env": { "SLACK_BOT_TOKEN": "[PopNx MCP ตัดค่าที่หน้าตาเหมือนกุญแจออก]" } } } }

Restart Claude Desktop and you should be ready to go!

Available Tools

Read-Only Tools

Tool	Description
`slack_get_channels`	List all accessible channels
`slack_get_channel`	Get channel info with recent messages
`slack_get_thread`	Get a thread with all replies

Write Tools

Tool	Description
`slack_post_message`	Post a new message to a channel
`slack_reply_to_thread`	Reply to an existing thread
`slack_update_message`	Update a previously posted message
`slack_react_to_message`	Add an emoji reaction to a message
`slack_upload_snippet`	Upload text content as a file snippet to a channel

Tool Groups

You can control which tools are available using the ENABLED_TOOLGROUPS environment variable:

readonly - Only read operations (get channels, messages, threads)
write - All operations including posting and reactions

Example: ENABLED_TOOLGROUPS=readonly to disable all write operations.

Development

# Install dependencies

npm run install-all

Run in development mode

npm run dev

Run tests

npm test # Functional tests npm run test:integration # Integration tests npm run test:manual # Manual tests (requires real credentials)

Build

npm run build

License

MIT

Slack

What it does

Install

Install Node.js (if you don’t have it)

Sign up and create a Slack key

Open the Claude desktop app’s settings file

Paste these settings and save the file

Quit Claude and open it again

Try it

What you can do instead

Install Node.js (if you don’t have it)

Sign up and create a Slack key

Open Terminal

Paste this command and press Enter

Type /mcp in Claude Code

Try it

Install Node.js (if you don’t have it)

Sign up and create a Slack key

Click this button to open Cursor

Fill in your key

Open the AI chat in Cursor in Agent mode

Try it

Install Node.js (if you don’t have it)

Sign up and create a Slack key

Click this button to open VS Code

Fill in your key

Open the AI chat in VS Code in Agent mode

Try it

Installed on your computer

Values you fill in

At a glance

Which apps can use it

Related guides

What it can do

Basic checksi

Maker matches the repo

Still maintained

Has a licence

Endpoint responds

Sign-in with OAuth

No hidden instructions in tool descriptions

Published vulnerabilities (OSV.dev)

Discussion

User reviews

Compared with others in Chat & emaili

Common questions

Similar alternatives

draw.io

Vexa

emailmd

Kite Discord Bot Builder

e2a — email for AI agents

README from the maker

Slack MCP Server

Features

Setup

Prerequisites

Environment Variables

Getting a Bot Token

Claude Desktop

Manual Setup

Available Tools

Read-Only Tools

Write Tools

Tool Groups

Development

Run in development mode

Run tests

Build

License