Skip to content
mcp/harbor
Cursor

Slack for Cursor

io.github.aaronsb/slack-mcp

Read and write Slack with session tokens — no OAuth, no bot, no admin approval.

client:Cursor transport:stdio runtime:npm

Install Slack in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "slack-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@aaronsb/slack-mcp"
      ],
      "env": {
        "SLACK_MCP_XOXC_TOKEN": "<SLACK_MCP_XOXC_TOKEN>",
        "SLACK_MCP_XOXD_TOKEN": "<SLACK_MCP_XOXD_TOKEN>"
      }
    }
  }
}

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs

Slack in other clients

Slack MCP server