Interact with Slack Workspaces over the Slack API.
100K+
19
8 Tools
Version 4.43 or later needs to be installed to add the server automatically
Use cases
About
Interact with Slack Workspaces over the Slack API.
Attribute | Details |
---|---|
Docker Image | mcp/slack |
Author | modelcontextprotocol |
Repository | https://github.com/modelcontextprotocol/servers |
Dockerfile | https://github.com/modelcontextprotocol/servers/blob/2025.4.24/src/slack/Dockerfile |
Docker Image built by | Docker Inc. |
Docker Scout Health Score | |
Verify Signature | COSIGN_REPOSITORY=mcp/signatures cosign verify mcp/slack --key https://raw.githubusercontent.com/docker/keyring/refs/heads/main/public/mcp/latest.pub |
Licence | MIT License |
Tools provided by this Server | Short Description |
---|---|
slack_add_reaction | Add a reaction emoji to a message |
slack_get_channel_history | Get recent messages from a channel |
slack_get_thread_replies | Get all replies in a message thread |
slack_get_user_profile | Get detailed profile information for a specific user |
slack_get_users | Get a list of all users in the workspace with their basic profile information |
slack_list_channels | List public or pre-defined channels in the workspace with pagination |
slack_post_message | Post a new message to a Slack channel |
slack_reply_to_thread | Reply to a specific message thread in Slack |
Tool: slack_add_reaction
Add a reaction emoji to a message
Parameters | Type | Description |
---|---|---|
channel_id | string | The ID of the channel containing the message |
reaction | string | The name of the emoji reaction (without ::) |
timestamp | string | The timestamp of the message to react to |
Tool: slack_get_channel_history
Get recent messages from a channel
Parameters | Type | Description |
---|---|---|
channel_id | string | The ID of the channel |
limit | number optional | Number of messages to retrieve (default 10) |
Tool: slack_get_thread_replies
Get all replies in a message thread
Parameters | Type | Description |
---|---|---|
channel_id | string | The ID of the channel containing the thread |
thread_ts | string | The timestamp of the parent message in the format '1234567890.123456'. Timestamps in the format without the period can be converted by adding the period such that 6 numbers come after it. |
Tool: slack_get_user_profile
Get detailed profile information for a specific user
Parameters | Type | Description |
---|---|---|
user_id | string | The ID of the user |
Tool: slack_get_users
Get a list of all users in the workspace with their basic profile information
Parameters | Type | Description |
---|---|---|
cursor | string optional | Pagination cursor for next page of results |
limit | number optional | Maximum number of users to return (default 100, max 200) |
Tool: slack_list_channels
List public or pre-defined channels in the workspace with pagination
Parameters | Type | Description |
---|---|---|
cursor | string optional | Pagination cursor for next page of results |
limit | number optional | Maximum number of channels to return (default 100, max 200) |
Tool: slack_post_message
Post a new message to a Slack channel
Parameters | Type | Description |
---|---|---|
channel_id | string | The ID of the channel to post to |
text | string | The message text to post |
Tool: slack_reply_to_thread
Reply to a specific message thread in Slack
Parameters | Type | Description |
---|---|---|
channel_id | string | The ID of the channel containing the thread |
text | string | The reply text |
thread_ts | string | The timestamp of the parent message in the format '1234567890.123456'. Timestamps in the format without the period can be converted by adding the period such that 6 numbers come after it. |
{
"mcpServers": {
"slack": {
"command": "docker",
"args": [
"run",
"-i",
"--rm",
"-e",
"SLACK_TEAM_ID",
"-e",
"SLACK_CHANNEL_IDS",
"-e",
"SLACK_BOT_TOKEN",
"mcp/slack"
],
"env": {
"SLACK_TEAM_ID": "T01234567",
"SLACK_CHANNEL_IDS": "C01234567, C76543210",
"SLACK_BOT_TOKEN": "xoxb-your-bot-token"
}
}
}
}
Manual installation
You can install the MCP server using:
Installation for