Slack MCP server

Read from the package source without running it. The installed server may list more.

• add_pin_to_channel

  Pins a message to a channel, making it easily accessible to channel members. Requires authentication with pins:write scope.

• add_reaction_to_message

  Adds an emoji reaction to a message in a channel. Requires authentication with reactions:write scope.

• add_star

  Adds a star to a specific item, such as a file comment or message. Requires authentication with stars:write scope.

• add_users_to_conversation

  Adds one or more users to a conversation channel. Specify users by their IDs in a comma-separated list.

• archive_conversation

  Archives a conversation, removing it from the active conversation list while preserving its history for future reference.

• close_conversation

  Closes an active direct message conversation, either between two users or among multiple participants. This action archives the conversation and prevents further messages in that thread.

• create_conversationwrite action

  Creates a new conversation channel that can be either public or private. Public channels are visible to all users, while private channels restrict access to invited members only.

• create_reminderwrite action

  Creates a reminder that will be delivered at a specified time. The reminder can be scheduled for a specific Unix timestamp, a relative time within 24 hours, or using natural language descriptions.

• create_usergroupwrite action

  Create a new User Group with a unique name and optional configuration for channels, description, and mention handle.

• delete_filewrite action

  Permanently deletes a file from the system. This action cannot be undone.

• delete_file_commentwrite action

  Deletes an existing comment on a file. Requires the comment ID to identify which comment to remove.

• delete_messagewrite action

  Deletes a message from a channel. The message is identified by its timestamp, and deletion can be performed either as the authenticated user or as a bot, depending on the scope and parameters provided.

• delete_scheduled_messagewrite action

  Removes a pending scheduled message from the queue before it is posted to a channel.

• delete_user_photowrite action

  Remove the user's profile photo. Requires authentication with users.profile:write scope.

• disable_dnd

  Immediately deactivates the current user's Do Not Disturb mode, restoring normal notification delivery.

• disable_usergroup

  Disable an existing User Group, preventing its use while preserving its configuration and membership data.

• enable_do_not_disturb

  Activates Do Not Disturb mode for the current user with a specified duration. If Do Not Disturb is already active, this updates the snooze duration.

• enable_file_public_sharing

  Enables public sharing for a file by generating a shareable public URL that allows external users to access the file without authentication.

• enable_usergroup

  Activate a disabled User Group, making it available for use. Optionally retrieve the current member count.

• end_dnd_snooze

  Immediately ends the current user's do-not-disturb snooze mode, restoring normal notification delivery.

• get_bot_info

  Retrieves detailed information about a specific bot user. Requires authentication with users:read scope.

• get_conversation_history

  Retrieves the message and event history for a conversation within an optional time range. Results can be paginated and filtered by timestamp boundaries.

• get_conversation_info

  Retrieve detailed information about a specific conversation, optionally including locale and member count metadata.

• get_conversation_thread

  Retrieve a thread of messages from a conversation, including a parent message and all its replies within an optional time range.

• get_dnd_status

  Retrieves the current Do Not Disturb status for a user, indicating whether they have notifications muted or disabled.

• get_file_info

  Retrieves metadata and information about a specific file, including details such as size, type, timestamps, and other file attributes.

• get_message_permalink

  Generate a shareable permalink URL for a specific message in a channel or conversation. This allows you to create direct links to individual messages that persist even if the original message is edited.

• get_reactions

  Retrieves all reactions added to a specific message, file comment, or other item. Use this to see what emoji reactions users have added to content.

• get_team_dnd_status

  Retrieves the Do Not Disturb status for specified users on a team, allowing you to check up to 50 users at once.

• get_team_info

  Retrieves information about a team. If no team is specified, returns information about the authenticated user's current team. The authenticated token must have the `team:read` scope.

• get_team_profile

  Retrieve detailed profile information for a team, with optional filtering by visibility settings.

• get_user_by_emailwrite action

  Retrieve a user account by their email address. Returns the user object if found in the workspace.

• get_user_info

  Retrieves detailed information about a specific user, optionally including their locale preference.

• get_user_presence

  Retrieves the presence status of a user. If no user is specified, returns the presence information for the authenticated user.

• get_user_profile

  Retrieves detailed profile information for a specified user or the authenticated user. Requires authentication with users.profile:read scope.

• join_conversation

  Joins the authenticated user to an existing conversation, enabling participation in the conversation's messages and interactions.

• leave_conversationwrite action

  Removes the authenticated user from a conversation, ending their participation and access to that conversation.

• list_channel_pins

  Retrieves all items pinned to a specified channel. Pinned items are messages or files that have been marked for easy reference within the channel.

• list_conversation_members

  Retrieve a paginated list of members in a conversation. Use the limit parameter to control the number of results returned per request.

• list_conversations

  Retrieves a list of all conversations (channels and direct messages) in a Slack workspace, with options to filter by type and archive status.

• list_emoji

  Retrieves all custom emoji configured for the workspace. This includes emoji names, URLs, and metadata for all custom emoji available to team members.

• list_files

  Retrieve a list of files with optional filtering by user, date range, file type, and visibility. Supports showing truncated information for files hidden due to age or team file limits.

• list_scheduled_messages

  Retrieves a list of scheduled messages, optionally filtered by a time range. Use the oldest and latest parameters to narrow results to a specific period.

• list_stars

  Retrieves a list of stars for the authenticated user, with optional pagination control.

• list_user_conversations

  Retrieve a list of conversations (channels and direct messages) that the calling user has access to, with optional filtering by user membership, conversation type, and archive status.

• list_user_reactions

  Retrieves a list of emoji reactions made by a user. By default, returns reactions from the authenticated user, but can be filtered to show reactions from a specific user.

• list_usergroup_members

  Retrieve all users who are members of a specified User Group. Optionally include users from disabled User Groups in the results.

• list_usergroups

  Retrieve all User Groups configured for a team, with optional details about group membership and status.

• list_users

  Retrieves all users in a Slack workspace. Results can be paginated and optionally include user locale information.

• mark_conversation_read

  Mark a conversation as read by setting the read cursor to a specific message timestamp. This updates your read position in the channel.

• open_direct_message

  Opens or resumes a direct message conversation, either a 1:1 DM with a single user or a multi-person DM with multiple users. The conversation is created if it doesn't exist, or resumed if it already does.

• remove_pin_from_channelwrite action

  Removes a pinned message from a channel. Specify the channel and optionally the message timestamp to un-pin.

• remove_reactionwrite action

  Removes an emoji reaction from a message or file comment. Specify either a message timestamp or file comment ID to identify the target item.

• remove_starwrite action

  Removes a star from a specific item, such as a file comment or message. Requires authentication with stars:write scope.

• remove_user_from_conversationwrite action

  Removes a specified user from a conversation, effectively ending their participation in that conversation thread.

• revoke_file_public_url

  Revokes public and external sharing access for a file, preventing further access via public URLs.

• schedule_message

  Schedules a message to be delivered to a channel at a specified future time. The message content and formatting can be customized with optional parameters for parsing, unfurling, and threading.

• search_messages

  Searches for messages matching a query string, with optional result highlighting and sorting capabilities. Returns matching messages from the workspace.

• send_ephemeral_messagewrite action

  Sends an ephemeral message visible only to a specific user in a channel. Ephemeral messages disappear after the user refreshes and are useful for temporary notifications or interactive responses.

• send_me_messagewrite action

  Send a me message (action message) to a channel. Me messages are typically used to share actions or emotes in a conversational context.

• send_message_to_channelwrite action

  Sends a message to a Slack channel, private group, or direct message. Supports threaded replies, formatting options, and customizable authorship.

• unarchive_conversation

  Restores an archived conversation to active status, reversing the archival action and making it accessible again.

• update_callwrite action

  Updates the join URLs and other metadata for an existing Call, allowing you to modify how clients access the call.

• update_conversationwrite action

  Updates the name of an existing conversation. This operation allows you to rename a conversation to better organize or identify it.

• update_conversation_purposewrite action

  Updates the purpose or topic description for a conversation. This helps organize and clarify the conversation's intent.

• update_conversation_topicwrite action

  Updates the topic for a conversation. The topic is a plain text string used to label or describe the conversation's subject matter.

• update_messagewrite action

  Updates the text and formatting of an existing message in a channel. Requires the message timestamp and channel ID to identify which message to update.

• update_user_presencewrite action

  Manually set a user's presence status to either active (auto) or away. Requires authentication with users:write scope.

• update_usergroupwrite action

  Update an existing User Group's properties such as handle, description, and associated channels. Requires usergroups:write scope.

• update_usergroup_userswrite action

  Update the complete membership of a User Group by replacing all users with a new list of user IDs.

• users_set_photo

  Set the user profile photo

• verify_authentication

  Verifies that the provided authentication token is valid and returns information about the authenticated user or application.

• Code scan5 source files scanned25/25
• –Live reliabilityno gateway calls yet and no remote to proben/a
• –Tool poisoningtools not inspected (local package is not executed); not countedn/a
• Auth qualitylocal package, no credentials required12/15
• Maintenancelast push 138 days ago8/15
• Maintainer identityregistry namespace matches repository owner7/10

Safety score

80/100

higher than 53% of 1,299 Productivity servers

Tools

72

the typical Productivity server has 7

Tools that change things

35%

typical: 0%. Fewer write tools means less an agent can break

GitHub stars

31

more than 86% of 854 Productivity servers

Downloads a week

148

more than 65% of 427 Productivity servers with a package

Slack: common questions

Is Slack MCP server safe?

Mostly: it is graded B (80/100). Read the Slack safety report

How do I install Slack?

It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.

Does Slack need an API key?

Not as far as the registry entry and our scan can tell: no credentials are declared or required.

Is Slack maintained?

The last commit was 176 days ago (2026-05-12). The latest release is v1.0.1.

What can I use instead of Slack?

Servers from other publishers that do the same job: Argent MCP server, Agent-Native Dispatch MCP server and Research Hub MCP server.

How does Slack compare with other Productivity MCP servers?

safety score 80/100 (higher than 53% of 1,299 Productivity servers); tools 72 (the typical Productivity server has 7); tools that change things 35% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.