StackMCP

Set up Slack MCP (Official) in VS Code

Official MCP server for Slack. Send and read messages, manage channels, and search conversations from your AI editor.

1

Locate the config file

VS Code reads MCP server configuration from the following file:

.vscode/settings.json → mcp section

Create this file if it does not already exist. For VS Code, this is inside your workspace .vscode/settings.json file under the mcp section.

2

Add the configuration

Add the following to your VS Code config file:

json
{
  "servers": {
    "slack-official-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-slack"
      ],
      "env": {
        "SLACK_BOT_TOKEN": "YOUR_SLACK_BOT_TOKEN",
        "SLACK_TEAM_ID": "YOUR_SLACK_TEAM_ID"
      }
    }
  }
}
3

Set up environment variables

Slack MCP (Official) requires the following environment variables:

SLACK_BOT_TOKENRequired

Slack bot token (xoxb-...)

SLACK_TEAM_IDRequired

Slack team/workspace ID

4

Verify it works

Restart VS Code. Slack MCP (Official) should appear in your MCP server list with 8 tools available.

This server adds approximately 4,120 tokens to your context window for tool definitions.

Set up Slack MCP (Official) in other editors

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