What is the key difference between Slack MCP Server and Open Feishu MCP Server?

Slack MCP Server belongs to the Communication category with local stdio execution, while Open Feishu MCP Server belongs to the Communication category with local stdio execution.

How do I install Slack MCP Server or Open Feishu MCP Server in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Slack MCP Server and Open Feishu MCP Server free or paid?

Slack MCP Server operates under a Free / Open Source model (other). Open Feishu MCP Server operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Slack MCP Server lists 7 tools with 1 views and 1,822 GitHub stars. Open Feishu MCP Server lists 5 tools with 1 views and 86 GitHub stars.

Can I use both Slack MCP Server and Open Feishu MCP Server together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Slack MCP Server vs Open Feishu MCP Server

In-depth architectural comparison of the Slack MCP Server and Open Feishu 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.

At a Glance & Executive Verdict

Slack MCP Server

Communication · Local stdio

Quality: 57/100 (Good) | Auth: other

Open Feishu MCP Server

Communication · Local stdio

Quality: 44/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Slack MCP Server if you need specialized Communication tools running via a local process. Choose Open Feishu MCP Server if your workspace requires Communication integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

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 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.

Feature & Specification Comparison

Specification	Slack MCP Server korotovsky Communication	Open Feishu MCP Server ztxtxwd Communication
Summary	The most powerful MCP server for Slack Workspaces.	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.
Category & Scope

Tools & Capabilities Breakdown

Slack MCP Server Tools (7)

UserID

User ID (e.g., `U1234567890`)

UserName

Slack username

RealName

User's real name

DisplayName

User's display name

User's email address

Title

User's job title

DMChannelID

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).

Slack MCP Server Configuration

mcpServers (Claude Desktop / Cursor)

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

Open Feishu MCP Server Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

Slack MCP Server is categorized under Communication and uses a local stdio subprocess. In contrast, Open Feishu MCP Server belongs to Communication using local stdio subprocess. Select Slack MCP Server when you need capabilities focused on communication and Open Feishu MCP Server when you require tools for communication.

More alternatives to Slack MCP Server More alternatives to Open Feishu MCP Server Communication category hub