Slack MCP Server
MCP Server for the Slack API, enabling Claude to interact with Slack workspaces.
Tools
slack_list_channels
slack_post_message
slack_reply_to_thread
slack_add_reaction
slack_get_channel_history
slack_get_thread_replies
slack_get_users
slack_get_user_profile
Setup
- Create a Slack App:
- Configure Bot Token Scopes: Navigate to "OAuth & Permissions" and add these scopes:
- Install App to Workspace:
- Get your Team ID (starts with a
T) by following this guidance
Usage with Claude Desktop
Add the following to your
claude_desktop_config.json:npx
docker
Environment Variables
SLACK_BOT_TOKEN: Required. The Bot User OAuth Token starting withxoxb-.
SLACK_TEAM_ID: Required. Your Slack workspace ID starting withT.
SLACK_CHANNEL_IDS: Optional. Comma-separated list of channel IDs to limit channel access (e.g., "C01234567, C76543210"). If not set, all public channels will be listed.
Troubleshooting
If you encounter permission errors, verify that:
- All required scopes are added to your Slack app
- The app is properly installed to your workspace
- The tokens and workspace ID are correctly copied to your configuration
- The app has been added to the channels it needs to access
Build
Docker build:
License
This MCP server is licensed under the MIT License. This means you are free to use, modify, and distribute the software, subject to the terms and conditions of the MIT License. For more details, please see the LICENSE file in the project repository.
Slack MCP Server
MCP Server for the Slack API, enabling Claude to interact with Slack workspaces.
Tools
slack_list_channels
slack_post_message
slack_reply_to_thread
slack_add_reaction
slack_get_channel_history
slack_get_thread_replies
slack_get_users
slack_get_user_profile
Setup
- Create a Slack App:
- Configure Bot Token Scopes: Navigate to "OAuth & Permissions" and add these scopes:
- Install App to Workspace:
- Get your Team ID (starts with a
T) by following this guidance
Usage with Claude Desktop
Add the following to your
claude_desktop_config.json:npx
docker
Environment Variables
SLACK_BOT_TOKEN: Required. The Bot User OAuth Token starting withxoxb-.
SLACK_TEAM_ID: Required. Your Slack workspace ID starting withT.
SLACK_CHANNEL_IDS: Optional. Comma-separated list of channel IDs to limit channel access (e.g., "C01234567, C76543210"). If not set, all public channels will be listed.
Troubleshooting
If you encounter permission errors, verify that:
- All required scopes are added to your Slack app
- The app is properly installed to your workspace
- The tokens and workspace ID are correctly copied to your configuration
- The app has been added to the channels it needs to access
Build
Docker build:
License
This MCP server is licensed under the MIT License. This means you are free to use, modify, and distribute the software, subject to the terms and conditions of the MIT License. For more details, please see the LICENSE file in the project repository.