korotovsky/slack-mcp-server

4.1

slack-mcp-server is hosted online, so all tools can be tested directly either in theInspector tabor in theOnline Client.

If you are the rightful owner of slack-mcp-server and would like to certify it and/or have it hosted online, please leave a comment on the right or send an email to henry@mcphub.com.

The Slack MCP Server is a Model Context Protocol server designed for Slack Workspaces, supporting Stdio and SSE transports without requiring permissions or bot creation.

Try slack-mcp-server with chat:

channels_list

Get list of channels

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Result:

conversations_add_message

Add a message to a public channel, private channel, or direct message (DM, or IM) conversation by channel_id and thread_ts.

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Result:

conversations_history

Get messages from the channel (or DM) by channel_id, the last row/column in the response is used as 'cursor' parameter for pagination if not empty

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channel_id*

- `channel_id` (string): ID of the channel in format Cxxxxxxxxxx or its name starting with #... or @... aka #general or @username_dm.

cursor

Cursor for pagination. Use the value of the last row and column in the response as next_cursor field returned from the previous request.

include_activity_messages

If true, the response will include activity messages such as 'channel_join' or 'channel_leave'. Default is boolean false.

include_activity_messages

limit

Limit of messages to fetch in format of maximum ranges of time (e.g. 1d - 1 day, 1w - 1 week, 30d - 30 days, 90d - 90 days which is a default limit for free tier history) or number of messages (e.g. 50). Must be empty when 'cursor' is provided.

Result:

conversations_replies

Get a thread of messages posted to a conversation by channelID and thread_ts, the last row/column in the response is used as 'cursor' parameter for pagination if not empty

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channel_id*

ID of the channel in format Cxxxxxxxxxx or its name starting with #... or @... aka #general or @username_dm.

cursor

Cursor for pagination. Use the value of the last row and column in the response as next_cursor field returned from the previous request.

include_activity_messages

If true, the response will include activity messages such as 'channel_join' or 'channel_leave'. Default is boolean false.

include_activity_messages

limit

Limit of messages to fetch in format of maximum ranges of time (e.g. 1d - 1 day, 30d - 30 days, 90d - 90 days which is a default limit for free tier history) or number of messages (e.g. 50). Must be empty when 'cursor' is provided.

thread_ts*

Unique identifier of either a thread's parent message or a message in the thread. ts must be the timestamp in format 1234567890.123456 of an existing message with 0 or more replies.

Result:

conversations_search_messages

Search messages in a public channel, private channel, or direct message (DM, or IM) conversation using filters. All filters are optional, if not provided then search_query is required.

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cursor

Cursor for pagination. Use the value of the last row and column in the response as next_cursor field returned from the previous request.

filter_date_after

Filter messages sent after a specific date in format 'YYYY-MM-DD'. Example: '2023-10-01', 'July', 'Yesterday' or 'Today'. If not provided, all dates will be searched.

filter_date_before

Filter messages sent before a specific date in format 'YYYY-MM-DD'. Example: '2023-10-01', 'July', 'Yesterday' or 'Today'. If not provided, all dates will be searched.

filter_date_during

Filter messages sent during a specific period in format 'YYYY-MM-DD'. Example: 'July', 'Yesterday' or 'Today'. If not provided, all dates will be searched.

filter_date_on

Filter messages sent on a specific date in format 'YYYY-MM-DD'. Example: '2023-10-01', 'July', 'Yesterday' or 'Today'. If not provided, all dates will be searched.

filter_in_channel

Filter messages in a specific channel by its ID or name. Example: 'C1234567890' or '#general'. If not provided, all channels will be searched.

filter_in_im_or_mpim

Filter messages in a direct message (DM) or multi-person direct message (MPIM) conversation by its ID or name. Example: 'D1234567890' or '@username_dm'. If not provided, all DMs and MPIMs will be searched.

filter_threads_only

If true, the response will include only messages from threads. Default is boolean false.

filter_threads_only

filter_users_from

Filter messages from a specific user by their ID or display name. Example: 'U1234567890' or '@username'. If not provided, all users will be searched.

filter_users_with

Filter messages with a specific user by their ID or display name in threads and DMs. Example: 'U1234567890' or '@username'. If not provided, all threads and DMs will be searched.

limit

The maximum number of items to return. Must be an integer between 1 and 100.

search_query

Search query to filter messages. Example: 'marketing report' or full URL of Slack message e.g. 'https://slack.com/archives/C1234567890/p1234567890123456', then the tool will return a single message matching given URL, herewith all other parameters will be ignored.

Result:

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