Qmailing MCP Server vs Slack MCP Server

In-depth architectural comparison of the Qmailing MCP Server and Slack MCP Server 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 Qmailing MCP Server when:

• You need dedicated capabilities in the Communication domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (Paid Service).
• You have access to required keys: QMAILING_API_TOKEN.
• Primary tools included: qmailing_list_mailboxes, qmailing_get_mailbox, qmailing_create_mailbox.

Explore Qmailing MCP Server Details

Choose Slack MCP Server when:

• You need dedicated capabilities in the Communication domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: other (Free / Open Source).
• You have access to required keys: SLACK_MCP_ADD_MESSAGE_TOOL.
• Primary tools included: .

Feature & Specification Comparison

Specification	Qmailing MCP Server TheSameAbramovych Communication	Slack MCP Server korotovsky Communication
Summary	AI agents read & send email, manage mailboxes, custom domains and webhooks via the QMailing API (npm stdio + hosted OAuth connector).	The most powerful MCP server for Slack Workspaces.
Category & Scope	Communication

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": {
    "thesameabramovych-qmailing-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@qmailing/mcp-server"
      ],
      "env": {
        "QMAILING_API_TOKEN": "YOUR_QMAILING_API_TOKEN_HERE"
      }
    }
  }
}

{
  "mcpServers": {
    "korotovsky-slack-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/inspector"
      ],
      "env": {
        "SLACK_MCP_ADD_MESSAGE_TOOL": "YOUR_SLACK_MCP_ADD_MESSAGE_TOOL_HERE"
      }
    }
  }
}

Related MCP Server Comparisons