Reference

SLACK_CHANNEL_MESSAGE_RECEIVED

Fires when a message is posted in a Slack channel, including public, private, and multi-party conversations—but excludes direct messages. This is ideal for monitoring all team channel activity.

SLACK_DIRECT_MESSAGE_RECEIVED

Fires when a user receives a direct message in Slack. Catches messages across all DM conversations with a single trigger.

SLACK_MESSAGE_REACTION_ADDED

Fires when someone adds an emoji reaction to a message in Slack. You can optionally filter by specific channels or emoji types.

SLACK_CHANNEL_CREATED

Fires when a new Slack channel is created in your workspace. Use this to automatically set up new channels or log channel creation events.

SLACK_REACTION_ADDED

Fires when a user adds an emoji reaction to any Slack message. Useful for tracking engagement or sentiment through reactions.

SLACK_REACTION_REMOVED

Fires when someone removes an emoji reaction from a message in Slack. Track when reactions are withdrawn from messages.

SLACK_RECEIVE_BOT_MESSAGE

Fires when a bot posts a new message to a Slack channel. Use this to respond to or process automated messages separately from user messages.

SLACK_RECEIVE_MESSAGE

Fires when someone posts a new message to any Slack channel. Use this to capture and act on channel conversations.

Get app permission scopes

Verify what permissions your Slack app currently has access to, helping you identify any missing capabilities before attempting actions that require elevated access rights.

Get Audit Action Types

Retrieve all available action types that can be logged and tracked in your Slack workspace's audit logs. This helps you understand what activities can be monitored and filtered when investigating workspace changes or security concerns.

Get Audit Schemas

Retrieve the structure and schema information for all object types available in Slack's audit logs, helping you understand what data is captured for compliance and monitoring purposes.

Fetch bot user information

Retrieve detailed information about your Slack bot's account, including its user ID, display name, and status. This helps you verify your bot's identity and configuration within your workspace.

Add call participants

Adds new participants to an active Slack call, allowing you to expand the conversation to include additional team members or stakeholders in real-time.

End a call

Terminates an active Slack call and records its duration for tracking purposes. This helps you manage call sessions and maintain accurate communication logs.

Retrieve call information

Get current details about an active or recent Slack call, including participants, duration, and status to understand call activity.

Create Slack Canvas

Create a new Slack Canvas to share rich, formatted content with your team, enabling collaborative editing and better organization of information directly within Slack.

Delete Slack Canvas

Permanently remove a Slack Canvas that's no longer needed, helping keep your workspace organized and clutter-free. Use this when you need to clean up outdated collaboration documents or free up space in your Slack environment.

Edit Slack Canvas

Modify the content and structure of a Slack Canvas by adding, replacing, or repositioning text and elements. This gives you granular control over how information is organized and presented to your team.

Create channel

Creates a new public or private channel in your Slack workspace to organize team conversations around specific topics, projects, or departments.

Convert public channel to private

Change a public Slack channel to private to restrict access and control who can view the channel's messages and history. This is useful when a channel's content needs to become confidential or limited to specific team members.

Delete a public or private channel

Permanently removes a Slack channel and all its associated messages and files. Use this when you need to clean up completed projects, archived initiatives, or organizational channels that are no longer needed.

Find channels

Search for Slack channels by name, topic, purpose, or description to quickly locate the right conversation space. This returns the channel IDs you need to work with other Slack tools and automate workflows.

Fetch conversation history

Retrieves a chronological list of messages from a Slack channel, allowing you to access conversation history with filtering by date range and pagination options.

Archive a Slack conversation

Move inactive Slack conversations out of sight while preserving all message history and making the channel read-only. This helps keep your workspace organized without losing important past discussions.

Close conversation channel

Closes a Slack direct message or group conversation from your sidebar, keeping the message history intact for future reference. This helps you keep your Slack workspace organized by removing inactive conversations from view.

Create a channel-based conversation

Set up a new Slack channel for organized team communication, either workspace-wide or restricted to specific teams. Use this to create dedicated spaces for projects, departments, or client work.

Add an emoji alias

Create alternative names for custom emojis in your Slack workspace, making them easier to find and use across your team's communications.

Add emoji

Upload a custom emoji to your Slack workspace to create branded visual assets that team members can use in messages and reactions. This helps establish a unique identity and makes communication more visually engaging.

Add a remote file

Share external files (like Google Drive or Dropbox documents) directly in Slack without uploading, making it easy for your team to discover and access shared resources.

Delete a file by ID

Permanently removes a file from your Slack workspace, including any comments or shares associated with it. Use this to clean up sensitive documents, outdated files, or free up workspace storage.

Delete file comment

Remove a specific comment from a file in Slack to clean up discussions or correct mistakes in shared documents and media. This action is permanent and cannot be undone.

Download Slack file

Retrieves files shared in Slack channels and conversations, making them accessible for external use or backup. This helps you preserve important documents and share Slack file content outside the platform.

Share file public url

Generate a public URL for a Slack file that can be accessed by anyone outside your workspace, making it easy to share documents with clients or collaborators without requiring Slack access.

Create a Slack user group

Creates a new user group in your Slack workspace to organize team members by function, project, or department. User groups make it easy to mention multiple people at once and manage permissions for specific teams.

Disable a Slack user group

Archives a Slack user group by disabling it, which removes it from active use while preserving the group data for potential future reactivation.

Enable a user group

Reactivate a previously disabled user group in Slack so it can be used again for mentions and manage permissions. This is useful when you need to bring back a team segment without having to recreate it from scratch.

Add a star to an item

Mark important channels, files, messages, or comments in Slack so you can quickly find and reference them later. This helps you organize and prioritize content that matters most to your work.

Customize URL unfurl

Customize how URLs appear when previewed in Slack messages by defining custom content blocks or hiding previews entirely. This helps you control the visual presentation of links to match your branding or hide irrelevant information from being displayed.

Delete a message from a chat

Remove a message you've posted from a Slack channel, group, or direct message. Use this to correct mistakes, remove outdated information, or clean up your communication history.

Delete scheduled chat message

Remove a scheduled message before it sends in Slack, giving you the flexibility to cancel communications that are no longer needed or contain outdated information.

Retrieve conversation replies

Retrieves all replies to a specific message in a Slack conversation, allowing you to access threaded discussions and their full context. Use this to fetch conversation threads for review, analysis, or integration with other business tools.

Send message

Posts a message to a Slack channel, direct message, or private group, allowing you to send notifications, updates, or communications directly from your applications and workflows.

Add reaction to message

Adds an emoji reaction to a message in Slack to show acknowledgment, approval, or emotional response without needing to write a reply. This helps teams quickly communicate sentiment and keep conversations organized.

Fetch item reactions

Retrieves all emoji reactions on a Slack message, file, or comment to understand team engagement and sentiment. Helps you track which messages resonated most with your team and identify important discussions.

Create a reminder

Set up automatic reminders in Slack at specific times or intervals to help you stay on top of important tasks and deadlines. Supports flexible timing options including natural language descriptions for easy scheduling.

Delete a Slack reminder

Remove a scheduled Slack reminder that's no longer needed, such as when a task is completed or a deadline has passed.

Check search capabilities

Verify whether your Slack workspace has AI-powered semantic search enabled, so you know if natural language queries will work with your assistant integration.

Real-time search

Find specific messages, files, channels, and team members across your Slack workspace to quickly locate information without manual browsing.

Search for channels in Enterprise organization

Find specific channels across your Enterprise Slack workspace by searching by name, type, or other criteria. This helps you locate the right channels for collaboration without manually browsing through your entire workspace.

Test Slack API connection

Verifies that your Slack API credentials are valid and your connection to Slack is working properly, helping you troubleshoot authentication issues before they impact your workflows.

Add Enterprise user to workspace

Invite an existing Enterprise Grid user to join a specific workspace, with optional controls to restrict their access level. Use this to onboard team members to the right workspace without creating duplicate accounts.

Delete user profile photo

Remove your custom profile photo from Slack, reverting to the default avatar. This is useful when you want to reset your professional image or remove outdated profile pictures from your workspace.

End DND session

Turns off Do Not Disturb mode for your Slack account, making you available to receive messages and notifications again.

End snooze

Immediately disable snooze mode on your Slack account so you can receive notifications again. This is useful when you're ready to resume active communication after a break.

Find users

Search for specific team members in your Slack workspace using their email, name, or display name to quickly locate contacts without manual searching. This helps you find the right person to mention or contact within your organization.

Lookup users by email

Find a specific Slack user's profile information using their email address. This helps you quickly identify and access user details when you need to interact with or manage team members.

Create Enterprise team

Creates a new team (workspace) within your Slack Enterprise Grid organization, allowing you to establish separate collaboration spaces for different departments or projects with independent settings and member management.

Fetch team info

Retrieve detailed information about your Slack workspace, including its name, ID, and configuration settings. This helps you understand your team's setup and verify workspace details programmatically.

Fetch workspace settings information

Retrieves detailed settings for a specific Slack workspace, primarily for administrators in an Enterprise Grid organization to view or audit workspace…

Get channel conversation preferences

Retrieves conversation preferences (e.g., who can post, who can thread) for a specified channel, primarily for use within Slack Enterprise Grid environments.

Get conversation members

Retrieves a paginated list of active member IDs (not names, emails, or presence) for a specified Slack public channel, private channel, DM, or MPIM.

Get reminder information

Retrieves detailed information for an existing Slack reminder specified by its ID; this is a read-only operation.

Get remote file

Retrieve information about a remote file added to Slack via the files.remote API.

Get SCIM service provider configuration

Tool to retrieve SCIM service provider configuration from Slack.

Get Slack Canvas (Deprecated)

DEPRECATED: Use SLACKRETRIEVEDETAILEDINFORMATIONABOUTAFILE instead.

Get team DND status

Retrieves a user's current Do Not Disturb status.

Get workspace connections for channel

Tool to get all workspaces a channel is connected to within an Enterprise org.

Invite user to workspace

Invites a user to a Slack workspace and specified channels by email; use resend=True to re-process an existing invitation for a user not yet signed up.

Invite users to a Slack channel

Invites users to an existing Slack channel using their valid Slack User IDs.

Invite users to channel

Invites users to a specified Slack channel; this action is restricted to Enterprise Grid workspaces and requires the authenticated user to be a member of the…

Join conversation by channel id

Joins an existing Slack conversation (public channel, private channel, or multi-person direct message) by its ID, if the authenticated user has permission.

Leave conversation channel

Leaves a Slack conversation given its channel ID; fails if leaving as the last member of a private channel or if used on a Slack Connect channel.

Leave conversation channel

(DEPRECATED: use SLACKLEAVECONVERSATION) Leaves a Slack conversation given its channel ID; fails if leaving as the last member of a private channel or if used…

List admin emoji

List custom emoji across an Enterprise Grid organization.

List admin users

Retrieves a paginated list of admin users for a specified Slack workspace.

List all channels

Lists conversations available to the user with various filters and search options.

List all users

Retrieves a paginated list of all users with profile details, status, and team memberships in a Slack workspace; data may not be real-time.

List all users in a user group

Retrieves a list of all user IDs within a specified Slack user group, with an option to include users from disabled groups.

List app requests

Tool to list pending app installation requests for a team/workspace.

List approved apps

Tool to list approved apps for an Enterprise Grid organization or workspace.

List approved workspace invite requests

List all approved workspace invite requests with pagination support.

List authorized teams

Obtains a paginated list of workspaces your org-wide app has been approved for.

List conversations

List conversations (channels/DMs) accessible to a specified user (or the authenticated user if no user ID is provided), respecting shared membership for…

List denied workspace invite requests

Tool to list all denied workspace invite requests with details about who denied them and when.

List Enterprise teams

List all teams (workspaces) in a Slack Enterprise Grid organization with pagination support.

List IDP groups linked to channel

Lists IDP groups that have restricted access to a private Slack channel.

List pending workspace invite requests

Tool to list all pending workspace invite requests.

List pinned items in a channel

Retrieves all messages and files pinned to a specified channel; the caller must have access to this channel.

List reminders

Lists all reminders with their details for the authenticated Slack user; returns an empty array if no reminders exist (valid state, not an error).

List remote files

Retrieve information about a team's remote files.

List Restricted Apps

Tool to list restricted apps for an org or workspace.

List scheduled messages

Retrieves a list of pending (not yet delivered) messages scheduled in a specific Slack channel, or across all accessible channels if no channel ID is provided,…

List Slack Canvases (Deprecated)

DEPRECATED: Use SLACKLISTFILESWITHFILTERSINSLACK instead (pass types="canvas" for equivalent behavior).

List Slack files

Lists files and their metadata within a Slack workspace, filterable by user, channel, timestamp, or type; returns metadata only, not file content.

List starred items

Lists items starred by a user.

List team custom emojis

Retrieves all custom emojis for the Slack workspace (image URLs or aliases), not standard Unicode emojis; does not include usage statistics or creation dates.

List user groups

Lists user groups in a Slack workspace, including user-created and default groups; results for large workspaces may be paginated.

List user reactions

Lists all reactions added by a specific user to messages, files, or file comments in Slack, useful for engagement analysis when the item content itself is not…

List workspace admins

Tool to list all admins on a given Slack workspace.

List workspace owners

Tool to list all owners on a given Slack workspace.

Lookup Canvas Sections

Looks up section IDs in a Slack Canvas for use with targeted edit operations.

Mark user as active

Tool to mark a user as active in Slack.

Open DM

Opens or resumes a Slack direct message (DM) or multi-person direct message (MPIM) by providing either user IDs or an existing channel ID.

Pin an item to a channel

Pins a message to a specified Slack channel; the message must not already be pinned.

Read Audit Logs

Read Slack Enterprise Grid Audit Logs (logins, admin changes, app installs, channel/privacy changes, etc.) with server-side filters and pagination.

Remove a star from an item

Removes a star from a previously starred Slack item (message, file, file comment, channel, group, or DM), requiring identification via file, filecomment,…

Remove call participants

Registers participants removed from a Slack call.

Remove emoji

Tool to remove a custom emoji across an Enterprise Grid organization.

Remove reaction from item

Removes an emoji reaction from a message, file, or file comment in Slack.

Remove remote file

Removes the Slack reference to an external file (which must have been previously added via the remote files API), specified by either its externalid or file ID…

Remove user from conversation

Removes a specified user from a Slack conversation (channel); the caller must have permissions to remove users and cannot remove themselves using this action.

Remove user from workspace

Tool to remove a user from a Slack workspace.

Rename a conversation

Renames a Slack channel, automatically adjusting the new name to meet naming conventions (e.g., converting to lowercase), which may affect integrations using…

Rename an emoji

Renames an existing custom emoji in a Slack workspace, updating all its instances.

Reset user sessions

Tool to wipe all valid sessions on all devices for a given user.

Restrict app installation

Restrict an app for installation on a workspace.

Retrieve a user's identity details

Retrieves the authenticated user's and their team's identity, with details varying based on OAuth scopes (e.g., identity.basic, identity.email,…

Retrieve conversation information

Retrieves metadata for a Slack conversation by ID (e.g., name, purpose, creation date, with options for member count/locale), excluding message content.

Retrieve detailed file information

Retrieves detailed metadata and paginated comments for a specific Slack file ID; does not download file content.

Retrieve detailed user information

Retrieves comprehensive information for a valid Slack user ID, excluding message history and channel memberships.

Retrieve message permalink

Retrieves a permalink URL for a specific message in a Slack channel or conversation; the permalink respects Slack's privacy settings.

Retrieve team profile details

Retrieves all profile field definitions for a Slack team, optionally filtered by visibility, to understand the team's profile structure.

Retrieve user DND status

Retrieves a Slack user's current Do Not Disturb (DND) status to determine their availability before interaction; any specified user ID must be a valid Slack…

Retrieve user presence

Retrieves a Slack user's current real-time presence (e.g., 'active', 'away') to determine their availability, noting this action does not provide historical…

Retrieve user profile information

Retrieves profile information for a specified Slack user (defaults to the authenticated user if user ID is omitted); a provided user ID must be valid.

Revoke a file's public url

Revokes a Slack file's public URL, making it private; this is a no-op if not already public and is irreversible.

Schedule message

Schedules a message to a Slack channel, DM, or private group for a future time (postat), requiring text, blocks, or attachments for content; scheduling is…

Search all content

Tool to search all messages and files.

Search messages

Workspace‑wide Slack message search with date ranges and filters.

Send ephemeral message

Sends an ephemeral message visible only to the specified user in a channel; other channel members cannot see it.

Send message

Posts a message to a Slack channel, DM, or private group.

Set a conversation's purpose

Sets the purpose (a short description of its topic/goal, displayed in the header) for a Slack conversation; the calling user must be a member.

Set admin user

Promotes an existing workspace member (guest, regular user, or owner) to admin status.

Set conversation preferences

Sets the posting permissions for a public or private channel in Slack.

Set conversation read cursor

Marks a message, specified by its timestamp (ts), as the most recently read for the authenticated user in the given channel, provided the user is a member of…

Set conversation topic

Sets or updates the topic for a specified Slack conversation.

Set default channels

Tool to set the default channels of a workspace.

Set DND duration

Turns on Do Not Disturb mode for the current user, or changes its duration.

Set profile photo

This method allows the user to set their profile image.

Set Slack user profile information

Updates a Slack user's profile, setting either individual fields or multiple fields via a JSON object.

Set Slack user profile information

(DEPRECATED: use SLACKSETUSERPROFILE) Updates a Slack user's profile, setting either individual fields or multiple fields via a JSON object.

Set user presence

(DEPRECATED: use SLACKSETUSERPRESENCE) Manually sets a user's Slack presence, overriding automatic detection; this setting persists across connections but can…

Set user presence

Manually sets a user's Slack presence, overriding automatic detection; this setting persists across connections but can be overridden by user actions or…

Set workspace description

Set the description of a given workspace.

Set workspace icon

Sets the icon of a workspace.

Set workspace name

Set the name of a given Slack workspace.

Set workspace owner

Set an existing guest, regular user, or admin user to be a workspace owner.

Set workspaces for channel

Set the workspaces in an Enterprise grid org that connect to a channel.

Share a me message in a channel

Sends a 'me message' (e.g., '/me is typing') to a Slack channel, where it's displayed as a third-person user action; messages are plain text and the channel…

Share a remote file in channels

Shares a remote file, which must already be registered with Slack, into specified Slack channels or direct message conversations.

Start call

Registers a new call in Slack using calls.add for third-party call integration; createdby is required if not using a user-specific token.

Start RTM session

Starts a Real Time Messaging API session for Slack.

Start RTM session

Starts a Real Time Messaging session and returns a WebSocket URL.

Test authentication

Checks authentication and tells you who you are.

Unarchive channel

Reverses conversation archival.

Unpin message from channel

Unpins a message, identified by its timestamp, from a specified channel if the message is currently pinned there; this operation is destructive.

Update a Slack message

Updates a Slack message by timestamp.

Update an existing remote file

Updates metadata or content details for an existing remote file in Slack; this action cannot upload new files or change the fundamental file type.

Update call information

Updates the title, join URL, or desktop app join URL for an existing Slack call identified by its ID.

Update Slack user group

Updates an existing Slack User Group, which must be specified by an existing usergroup ID, with new optional details such as its name, description, handle, or…

Update user group members

Replaces all members of an existing Slack User Group with a new list of valid user IDs.

Upload or create a file in Slack

Upload files, images, screenshots, documents, or any media to Slack channels or threads.