monstar-lab-oss/server-slack

3.2

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MCP Server for the Slack API, enabling Claude to interact with Slack workspaces.

Tools

Functions exposed to the LLM to take actions

slack_list_channels

List public or pre-defined channels in the workspace.

slack_post_message

Post a new message to a Slack channel.

slack_reply_to_thread

Reply to a specific message thread.

slack_add_reaction

Add an emoji reaction 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_users

Get list of workspace users with basic profile information.

slack_get_user_profile

Get detailed profile information for a specific user.

Prompts

Interactive templates invoked by user choice

No prompts

Resources

Contextual data attached and managed by the client

No resources

Author

monstar-lab-oss

Claim Ownership

Verify you have write access to the repository

Repository

https://github.com/monstar-lab-oss/server-slack

Last publish date

2025-06-13

Last update date

2025-06-13

Server configs

via npx in claude desktop

{
  "mcpServers": {
    "slack": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-slack"
      ],
      "env": {
        "SLACK_BOT_TOKEN": "xoxb-your-bot-token",
        "SLACK_TEAM_ID": "T01234567",
        "SLACK_CHANNEL_IDS": "C01234567, C76543210"
      }
    }
  }
}

in claude desktop

{
  "mcpServers": {
    "slack": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "SLACK_BOT_TOKEN",
        "-e",
        "SLACK_TEAM_ID",
        "-e",
        "SLACK_CHANNEL_IDS",
        "mcp/slack"
      ],
      "env": {
        "SLACK_BOT_TOKEN": "xoxb-your-bot-token",
        "SLACK_TEAM_ID": "T01234567",
        "SLACK_CHANNEL_IDS": "C01234567, C76543210"
      }
    }
  }
}

via npx in vs code

{
  "mcp": {
    "inputs": [
      {
        "type": "promptString",
        "id": "slack_bot_token",
        "description": "Slack Bot Token (starts with xoxb-)",
        "password": true
      },
      {
        "type": "promptString",
        "id": "slack_team_id",
        "description": "Slack Team ID (starts with T)"
      }
    ],
    "servers": {
      "slack": {
        "command": "npx",
        "args": ["-y", "@modelcontextprotocol/server-slack"],
        "env": {
          "SLACK_BOT_TOKEN": "${input:slack_bot_token}",
          "SLACK_TEAM_ID": "${input:slack_team_id}"
        }
      }
    }
  }
}

in vs code

{
  "mcp": {
    "inputs": [
      {
        "type": "promptString",
        "id": "slack_bot_token",
        "description": "Slack Bot Token (starts with xoxb-)",
        "password": true
      },
      {
        "type": "promptString",
        "id": "slack_team_id",
        "description": "Slack Team ID (starts with T)"
      }
    ],
    "servers": {
      "slack": {
        "command": "docker",
        "args": ["run", "-i", "--rm", "mcp/slack"],
        "env": {
          "SLACK_BOT_TOKEN": "${input:slack_bot_token}",
          "SLACK_TEAM_ID": "${input:slack_team_id}"
        }
      }
    }
  }
}