mcp/slack

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By mcp

•Updated 8 months ago

Interact with Slack Workspaces over the Slack API.

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mcp/slack repository overview

⁠Slack (Archived) MCP Server

Interact with Slack Workspaces over the Slack API.

What is an MCP Server?⁠

⁠MCP Info

Attribute	Details
Docker Image	mcp/slack⁠
Author	modelcontextprotocol⁠
Repository	https://github.com/modelcontextprotocol/servers⁠

⁠Image Building Info

Attribute	Details
Dockerfile	https://github.com/modelcontextprotocol/servers/blob/b4ee623039a6c60053ce67269701ad9e95073306/src/slack/Dockerfile⁠
Commit	`b4ee623039a6c60053ce67269701ad9e95073306`
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

⁠Available Tools (8)

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

⁠Tools Details

⁠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.

⁠Use this MCP Server

{
  "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"
      }
    }
  }
}

Why is it safer to run MCP Servers with Docker?⁠

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Slack (Archived)

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Tag summary

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Content type

Image

Digest

sha256:4cc10c3f4…

Size

55.1 MB

Last updated

8 months ago

Run in Docker Desktop

Requires Docker Desktop 4.37.1 or later.

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