Slack
Integrates with Slack workspaces to enable complete messaging operations including channel managemen...
Create a Slack App
- Go to the Slack Apps page.
- Click "Create New App".
- Select "From scratch".
- Give your app a name and select your workspace.
Configure Bot Token Scopes
- In your app settings, navigate to "OAuth & Permissions".
- Add the following Bot Token Scopes:
channels:historychannels:readchat:writereactions:writeusers:readusers.profile:read
Install App to Workspace
- Click "Install to Workspace" and authorize the app.
- After installation, note the "Bot User OAuth Token" (it starts with
xoxb-). You will use this as yourSLACK_BOT_TOKEN.
Get Your Slack Team ID
- Follow this Slack article to find your Team ID (begins with
T). - Example:
T01234567.
- Follow this Slack article to find your Team ID (begins with
(Optional) Get Channel IDs
- If you want to limit access to specific channels, obtain the IDs of those channels.
- You can list channels using the Slack UI or with the MCP server's
slack_list_channelstool.
(Optional) Set Authentication Token for HTTP Transport
- If you plan to use the HTTP transport, you may set a custom
AUTH_TOKENto secure HTTP requests. You can choose any value.
- If you plan to use the HTTP transport, you may set a custom
Fill in the FastMCP Connection Interface
- Use the "Install Now" button to open the ENV input panel.
- Fill in the following values:
SLACK_BOT_TOKEN: Paste your bot token (beginsxoxb-).SLACK_TEAM_ID: Paste your Slack Team ID (T...).- (Optional)
SLACK_CHANNEL_IDS: Comma-separated list of channel IDs, if restricting to certain channels. - (Optional, HTTP only)
AUTH_TOKEN: Set a bearer token for HTTP API authentication.
- Save the configuration.
How to Install Slack
Install Slack MCP server with one click through FastMCP. Choose your preferred AI development tool below:
Claude Desktop
Click "Claude Desktop" in Quick Start
Cursor IDE
Click "Cursor IDE" in Quick Start
VS Code
Click "VS Code" in Quick Start
Alternatives to Slack
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Configuration for
Environment Variables
Please provide values for the following environment variables:
HTTP Headers
Please provide values for the following HTTP headers:
started!
The MCP server should open in . If it doesn't open automatically, please check that you have the application installed.
Copy and run this command in your terminal:
Make sure Gemini CLI is installed:
Visit Gemini CLI documentation for installation instructions.
Make sure Claude Code is installed:
Visit Claude Code documentation for installation instructions.
Installation Steps:
Configuration
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