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Slack MCP server: channels, messages, threads, reactions, users, files, and scheduled messages

Setup

Choose your client, copy the config, then fill in any required environment variables.

Add to CursorAdd to VS Code

claude mcp add slack-mindstone --env SLACK_CONFIG_PATH='<SLACK_CONFIG_PATH>' --env SLACK_TEAM_ID='<SLACK_TEAM_ID>' --env SLACK_CLIENT_SECRET='<SLACK_CLIENT_SECRET>' -- npx -y @mindstone/mcp-server-slack

Environment variables

  • SLACK_CONFIG_PATH
  • SLACK_TEAM_ID
  • SLACK_CLIENT_SECRET

Replace the placeholders with your own credentials and keep them out of version control.