MCP Tool Directory

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

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

Join a public channel. Bot must have channels:join scope.

Remove a user from a 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.

DEPRECATED: Retrieves conversations accessible to a specified user. Use `list_conversations` instead.

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

DEPRECATED: Lists conversations available to the user with various filters and search options. Use `list_channels` instead.

DEPRECATED: Retrieves a paginated list of all users in a Slack workspace. Use `list_all_users` instead.

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

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

List all bookmarks in a channel.

Lists Slack Canvases with filtering by channel, user, timestamp, and page-based pagination. Uses Slack's files.list API with types=canvas filter.

List channels in the workspace. Filter by type: public_channel, private_channel, im, mpim.

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

List all custom emoji in the workspace. Returns emoji name-to-URL mapping. Aliases use "alias:emoji_name" format.

List files in the workspace. Filter by channel, user, or type. Free plan: files older than 90 days are deleted.

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

List all pinned items in a channel.

Lists all reminders with their details for the authenticated Slack user; returns an empty list if no reminders exist.

Retrieve information about a team's remote files.

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, optionally filtered by time and paginated.

DEPRECATED: Retrieves a list of pending (not yet delivered) messages scheduled in a specific Slack channel. Use `list_scheduled_messages` instead.

DEPRECATED: Retrieve information about a team's remote files. Use `list_remote_files` instead.

Lists items starred by a user.

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

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

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 required.

DEPRECATED: Lists all reminders with their details for the authenticated Slack user. Use `list_reminders` instead.

List all users in the workspace including deactivated users. Supports cursor-based pagination.