Open Feishu MCP Server vs Slack MCP Server

In-depth architectural comparison of the Open Feishu 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 Open Feishu MCP Server 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: Built-in Feishu OAuth authentication with automatic token refresh, Optimized tools for Feishu document creation and editing, Support for remote MCP client connections over SSE.

Explore Open Feishu 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: UserID, UserName, RealName.

Feature & Specification Comparison

Specification	Open Feishu MCP Server ztxtxwd Communication	Slack MCP Server korotovsky Communication
Summary	A Model Context Protocol (MCP) server with built-in Feishu OAuth authentication, supporting remote connections and providing comprehensive Feishu document management tools including block creation, content updates, and advanced features.	The most powerful MCP server for Slack Workspaces.
Category & Scope

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": {
    "ztxtxwd-open-feishu-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/inspector@latest"
      ]
    }
  }
}

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

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