Slack MCP Server vs SMSPM MCP Server

In-depth architectural comparison of the Slack MCP Server and SMSPM 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 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: UserID, UserName, RealName.

Explore Slack MCP Server Details

Choose SMSPM 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 (Free / Open Source).
• You have access to required keys: SMSPM_HASH, SMSPM_TOKEN.
• Primary tools included: SMSPM API connectivity, Transactional SMS sending, Required recipient and message parameters.

Feature & Specification Comparison

Specification	Slack MCP Server korotovsky Communication	SMSPM MCP Server Communication
Summary	The most powerful MCP server for Slack Workspaces.	Send SMS via the SMSPM API from any MCP client.
Category & Scope	Communication	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": {
    "korotovsky-slack-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/inspector"
      ],
      "env": {
        "SLACK_MCP_ADD_MESSAGE_TOOL": "YOUR_SLACK_MCP_ADD_MESSAGE_TOOL_HERE"
      }
    }
  }
}

{
  "mcpServers": {
    "smspm-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "smspm-mcp-server"
      ],
      "env": {
        "SMSPM_HASH": "YOUR_SMSPM_HASH_HERE",
        "SMSPM_TOKEN": "YOUR_SMSPM_TOKEN_HERE"
      }
    }
  }
}

Related MCP Server Comparisons