Mac Messages MCP vs Slack MCP Server (korotovsky)

A side-by-side comparison of two Communication servers — tools, transport, auth, maintenance, and copy-paste config for each.

	Mac Messages MCP Read and send macOS iMessage/SMS from your Messages database, with attachments and contacts. Unverified stdio (local) No auth Python	Slack MCP Server (korotovsky) Powerful Slack MCP with stdio/SSE/HTTP, DMs, group DMs and no-admin token auth Verified stdio (local) API key Go
Category	Communication	Communication
Language	Python	Go
Transport	stdio (local)	stdio (local)
Auth	None	API key
GitHub stars	297	1.7k
Last commit	3 days ago	1 month ago
Verified
Actively maintained
Install	`uv pip install mac-messages-mcp`	`npx -y slack-mcp-server@latest --transport stdio`
Repo	Open	Open

Verdict

Pick Mac Messages MCP if you want zero-setup with no API key.

Pick Slack MCP Server (korotovsky) if you prefer the more popular, battle-tested option, and you want a verified, documented setup.

Add Mac Messages MCP

Install / run

uv pip install mac-messages-mcp

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "mac-messages-mcp": {
      "command": "uvx",
      "args": [
        "mac-messages-mcp"
      ]
    }
  }
}

Requires `uv` (the Python package runner). Install it from https://docs.astral.sh/uv/ if `uvx` is not found.

Add Slack MCP Server (korotovsky)

Install / run

npx -y slack-mcp-server@latest --transport stdio

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "slack-mcp-server-korotovsky": {
      "command": "npx",
      "args": [
        "-y",
        "slack-mcp-server@latest",
        "--transport",
        "stdio"
      ],
      "env": {
        "SLACK_MCP_XOXP_TOKEN": "<your-slack-user-oauth-token-xoxp>"
      }
    }
  }
}

FAQ

Mac Messages MCP or Slack MCP Server (korotovsky) — which is better?

Pick Mac Messages MCP if you want zero-setup with no API key. Pick Slack MCP Server (korotovsky) if you prefer the more popular, battle-tested option, and you want a verified, documented setup.

Can I use both Mac Messages MCP and Slack MCP Server (korotovsky)?

Yes — MCP clients let you enable multiple servers at once. Add both configs to your client's mcpServers and use whichever tool fits the task.

Do Mac Messages MCP and Slack MCP Server (korotovsky) work with Claude, Cursor and Windsurf?

Both do. Copy the per-client config below into Claude Desktop, Cursor, or Windsurf.

View Mac Messages MCP →View Slack MCP Server (korotovsky) →More comparisons →