MCP Emails vs Slack Connect

In-depth architectural comparison of the MCP Emails and Slack Connect MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

Choose MCP Emails when:

• You need dedicated capabilities in the Communication domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: inbox_list, email_read, email_organize.

Explore MCP Emails Details

S

Choose Slack Connect when:

• You need dedicated capabilities in the Communication domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: slack_list_channels, slack_channel_history, slack_send_message.

Explore Slack Connect Details

Feature & Specification Comparison

Specification	MCP Emails Communication	S Slack Connect Communication
Summary	Read, search, send, organize, draft and schedule email across your inboxes from any MCP client.	Slack MCP Pack
Category & Scope	Communication	Communication
Quality signal

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "mcp-emails-2": {
      "command": "npx",
      "args": [
        "-y",
        "supabase"
      ]
    }
  }
}

{
  "mcpServers": {
    "slack-connect": {
      "command": "npx",
      "args": [
        "-y",
        "slack-connect"
      ]
    }
  }
}

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