Slack

Productivity & Collaboration

Messaging & workspace events MCP

Triggers

Actions

Integrate Slack with your AI Workflows

Automate Slack messaging, channel management, and workspace workflows by connecting Slack to Atlastix via the official MCP server. Agents can send messages, create channels, manage users, and respond to real-time events—all with full workspace control and automation capabilities.

Technical Overview

Authentication

OAuth 2.0

Deployment

remote-hosted

MCP Server

official

Features & Capabilities

Webhooks

Real-time Updates

Bulk Operations

Common Use Cases

Automate team notifications and announcements
Create channels for new projects automatically
Sync status updates across systems
Archive inactive channels
Send daily standup reminders
Track team blockers across channels

Rate Limits

Default:Tier 2: 20+ requests per minute

Burst:Tier 3: 50+ requests per minute for certain endpoints

Rate limits vary by API method tier

What you can automate

Events that trigger workflows and actions your AI agents can perform

Send Message

Send a message to a channel or user.

Automated execution

Create Channel

Create a new Slack channel.

Automated execution

Set Status

Update user status.

Automated execution

Add Reaction

Add emoji reaction to a message.

Automated execution

Upload File

Upload a file to Slack.

Automated execution

List Channels

Retrieve all channels in the workspace.

Automated execution

Get Message History

Fetch conversation history from a channel.

Automated execution

List Users

Get all users in the workspace.

Automated execution

Update Message

Edit an existing message.

Automated execution

Delete Message

Remove a message from a channel.

Automated execution

Invite User to Channel

Add a user to a specific channel.

Automated execution

Get User Profile

Retrieve detailed user information.

Automated execution

Search Messages

Search for messages across channels.

Automated execution

New Message Posted

Fires when a new message is posted to a channel.

Real-time trigger

User Joined Channel

Fires when a user joins a channel.

Real-time trigger

Reaction Added

Fires when a reaction is added to a message.

Real-time trigger

File Shared

Fires when a file is shared in a channel.

Real-time trigger

Channel Created

Fires when a new channel is created in the workspace.

Real-time trigger

User Status Changed

Fires when a user updates their status.

Real-time trigger

Message Deleted

Fires when a message is deleted from a channel.

Real-time trigger

MCP Server Information

Repository: https://github.com/modelcontextprotocol/servers

NPM Package: @modelcontextprotocol/server-slack

Documentation: View API Docs

API Endpoints

Available API endpoints and methods

API Endpoints (16)

POSTchat.postMessage

Send a message to a channel or user

GETconversations.list

List all channels in the workspace

POSTconversations.create

Create a new channel

GETusers.list

List all users in the workspace

GETusers.info

Get information about a user

POSTusers.profile.set

Update user status

GETconversations.history

Retrieve message history from a channel

POSTfiles.upload

Upload a file to Slack

POSTreminders.add

Create a reminder

POSTconversations.invite

Invite a user to a channel

POSTconversations.archive

Archive a channel

POSTpins.add

Pin a message to a channel

POSTreactions.add

Add a reaction emoji to a message

POSTchat.update

Update an existing message

POSTchat.delete

Delete a message

GETsearch.messages

Search for messages across channels

Authentication Required

This integration requires authentication with Slack. Atlastix will securely handle the OAuth flow when you connect your account.

Ready to get started?

Connect Slack to your Atlastix workspace in just a few clicks.