Slack

List channels in the workspace. Supports filtering by channel type (public, private, mpim, im). Returns paginated results.

Get detailed information about a specific channel including topic, purpose, member count, and creation date.

List all members of a specific channel. Returns user IDs with pagination support.

Retrieve message history from a channel. Returns messages in reverse chronological order. Use oldest/latest timestamps to filter by date range.

Get all replies in a message thread. Requires the channel ID and the timestamp of the parent message.

Search for messages across all channels the bot has access to. Supports Slack search modifiers like from:user, in:channel, has:link, before:date, after:date.

List all users in the workspace. Returns user profiles including display name, email, status, and admin flags.

Get detailed profile information for a specific user by their user ID.

Find a user by their email address. Returns full user profile if found.

Get all emoji reactions on a specific message.

List all bookmarks in a channel. Bookmarks are links pinned to the top of a channel.

List all pinned messages in a channel.

Get a permanent URL link to a specific message that can be shared.

Post a message to a channel or DM. Supports threading by providing thread_ts. Supports Slack mrkdwn formatting.

Edit an existing message. Only messages posted by the bot can be updated.

Reply to a message in a thread. Creates a threaded reply under the specified parent message.

Add an emoji reaction to a message. Use the emoji name without colons (e.g., 'thumbsup' not ':thumbsup:').

Remove an emoji reaction from a message. Can only remove reactions added by the bot.

Set the topic of a channel. The topic appears at the top of the channel.

Set the purpose/description of a channel. The purpose describes what the channel is used for.

Pin a message to a channel. Pinned messages appear in the channel's pinned items.

Unpin a previously pinned message from a channel.

Add a bookmark (link) to a channel. Bookmarks appear at the top of the channel for quick access.

Invite one or more users to a channel by their user IDs.

Create a new channel in the workspace. Channel names must be lowercase, without spaces or periods, and max 80 characters.

Upload a text file or code snippet to one or more channels. Use for sharing text content, code, logs, or CSV data.

Delete a message from a channel. Only messages posted by the bot can be deleted, unless the bot has admin permissions.

Archive a channel. Archived channels are hidden from the channel list but can be unarchived later. Messages are preserved.