Search for messages across your entire Slack workspace using the Slack search API. This uses YOUR user token, so it searches everything you have access to — channels, DMs, group messages.

Supports Slack search modifiers:

• from:@username — messages from a specific user

• in:#channel — messages in a specific channel

• has:link / has:reaction / has:star — filter by attributes

• before:YYYY-MM-DD / after:YYYY-MM-DD — date filters

• is:thread — only threaded messages , Args:

• query (string): Slack search query (supports search modifiers)

• sort (string): Sort by "timestamp" or "score" (default: timestamp)

• sort_dir (string): Sort direction "asc" or "desc" (default: desc)

• count (number): Number of results to return, 1-100 (default: 20)

• page (number): Page number for pagination (default: 1)

Returns: List of matching messages with text, author, channel, timestamp, and permalink.

Examples:

• "from:me" — your own recent messages

• "from:@scott.jensen after:2026-03-01" — your messages this month

• "in:#general budget" — messages about "budget" in #general

List Slack channels you have access to. Can filter to only channels you've joined.

Args:

• types (string): Comma-separated channel types: public_channel, private_channel, mpim, im (default: public_channel,private_channel)

• exclude_archived (boolean): Exclude archived channels (default: true)

• limit (number): Max channels to return, 1-200 (default: 100)

• cursor (string): Pagination cursor from a previous response

Returns: List of channels with id, name, topic, purpose, and member count.

Fetch recent messages from a Slack channel, DM, or group message. Uses your user token so you can access any channel you're a member of.

Args:

• channel (string): Channel ID (e.g. C012AB3CD) or name (e.g. #general)

• limit (number): Number of messages to return, 1-200 (default: 50)

• oldest (string): Start of time range as Unix timestamp (optional)

• latest (string): End of time range as Unix timestamp (optional)

• inclusive (boolean): Include messages with oldest/latest timestamps (default: true)

Returns: List of messages with text, author, timestamp, reactions, and thread info.

Post a message to a Slack channel or DM as YOU (your user account).

Args:

• channel (string): Channel ID or name (e.g. C012AB3CD or #general)

• text (string): Message text (supports Slack mrkdwn formatting)

• thread_ts (string): If provided, post as a reply in this thread

Returns: Confirmation with message timestamp and channel.

Search for Slack users by name or email address.

Args:

• query (string): Name or email to search for

Returns: List of matching users with id, name, email, title, and status.

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

Args:

• user_id (string): Slack user ID (e.g. U012AB3CD)

Returns: User profile with id, name, email, title, timezone, and status.

Check which Slack user this token belongs to and verify the connection is working.

Takes no arguments. Returns your user ID, username, team name, and team ID.

Fetch all replies in a Slack thread.

Args:

• channel (string): Channel ID where the thread exists

• thread_ts (string): Timestamp of the parent message

Returns: List of all messages in the thread.