Which integrations are available for this server?

Provides tools for sending, updating, and deleting messages, listing and joining channels, retrieving channel history and replies, listing users and getting user info, adding/removing reactions, searching messages, and uploading files in Slack.

How do I use @cloud9-labs/mcp-slack?

1. Click on "Install Server". 2. Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state. 3. In the chat, type @ followed by the MCP server name and your instructions, e.g., "@@cloud9-labs/mcp-slack send a welcome message to #general" That's it! The server will respond to your query, and you can continue using it as needed. Here is a step-by-step guide with screenshots.

@cloud9-labs/mcp-slack

by cloud9-labs

Overview Schema Related Servers Score Discussions

TypeScript

Remote

@cloud9-labs/mcp-slack

MCP server for Slack API integration - 14 messaging and channel management tools.

Installation

{
  "mcpServers": {
    "slack": {
      "command": "npx",
      "args": ["-y", "@cloud9-labs/mcp-slack"],
      "env": {
        "SLACK_BOT_TOKEN": "xoxb-your-bot-token"
      }
    }
  }
}

Related MCP server: Slack MCP Server

Tools

Tool	Description
slack_post_message	Send a message to a Slack channel
slack_update_message	Edit an existing message
slack_delete_message	Delete a message from a channel
slack_list_channels	List all channels in the workspace
slack_get_channel_info	Get detailed information about a channel
slack_get_channel_history	Retrieve message history from a channel
slack_get_replies	Get threaded replies for a message
slack_join_channel	Join a Slack channel
slack_list_users	List all users in the workspace
slack_get_user_info	Get user profile information
slack_add_reaction	Add emoji reaction to a message
slack_remove_reaction	Remove emoji reaction from a message
slack_search_messages	Search messages across channels
slack_upload_file	Upload files to Slack

Configuration

Set your Slack bot token as an environment variable:

export SLACK_BOT_TOKEN="xoxb-..."

To create a Slack bot:

Go to https://api.slack.com/apps
Create a new app
Enable Bot User OAuth Token
Grant required scopes (messages:write, channels:read, users:read, etc.)
Copy the Bot User OAuth Token

License

MIT

This server cannot be installed

license - permissive license

quality - not tested

maintenance

How are these scores calculated?

Maintenance

–Maintainers

–Response time

–Release cycle

–Releases (12mo)

Commit activity

Resources

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