slack_get_permalink
Get a permanent URL for a specific message.
slack_list_channels
List channels in the workspace. Filter by type: public_channel, private_channel, im, mpim.
slack_get_channel_info
Get detailed information about a channel including topic, purpose, member count.
slack_get_channel_history
Get message history from a channel. Returns messages in reverse chronological order. Free plan: 90-day history limit.
slack_get_thread_replies
Get replies in a message thread. Returns the parent message and all replies.
slack_get_channel_members
List all members of a channel. Returns user IDs with cursor-based pagination.
slack_create_channel
Create a new public or private channel. Name must be lowercase, numbers, hyphens, underscores (max 80 chars).
slack_archive_channel
Archive a channel. Archived channels can be unarchived later.
slack_invite_to_channel
Invite one or more users to a channel. Supports up to 1000 user IDs.
slack_kick_from_channel
Remove a user from a channel.
slack_join_channel
Join a public channel. Bot must have channels:join scope.
slack_set_channel_topic
Set or update the topic of a channel.
slack_open_conversation
Open a DM or multi-person DM. Pass 1 user ID for DM, 2-8 for group DM.
slack_list_users
List all users in the workspace including deactivated users. Supports cursor-based pagination.
slack_get_user_info
Get detailed information about a user including profile, status, admin flags.
slack_add_reaction
Add an emoji reaction to a message. Use emoji name without colons (e.g. "thumbsup" not ":thumbsup:").
slack_remove_reaction
Remove an emoji reaction from a message.
slack_get_reactions
Get all reactions for a specific message, including emoji names, counts, and user IDs.
slack_search_messages
Search for messages matching a query. Supports modifiers: in:#channel, from:@user, has:reaction, before:date, after:date. Free plan: 90-day history limit.
slack_search_files
Search for files matching a query. Supports same modifiers as message search.
slack_upload_file
Upload a text file to Slack. Uses the 2-step upload process (getUploadURLExternal + completeUploadExternal). For text/code content only.
slack_list_files
List files in the workspace. Filter by channel, user, or type. Free plan: files older than 90 days are deleted.
slack_delete_file
Delete a file from the workspace.
slack_pin_message
Pin a message to a channel. Cannot pin channel join messages or files.
slack_unpin_message
Unpin a message from a channel.
slack_list_pins
List all pinned items in a channel.
slack_add_bookmark
Add a bookmark (link) to a channel. Max 100 bookmarks per channel.
slack_edit_bookmark
Update an existing bookmark in a channel.
slack_remove_bookmark
Remove a bookmark from a channel.
slack_list_bookmarks
List all bookmarks in a channel.
slack_get_team_info
Get information about the workspace/team: name, domain, icon, etc.
slack_list_emoji
List all custom emoji in the workspace. Returns emoji name-to-URL mapping. Aliases use "alias:emoji_name" format.