What is the key difference between Slack MCP Server and WASync — WhatsApp Platform API?

Slack MCP Server belongs to the Communication category with local stdio execution, while WASync — WhatsApp Platform API belongs to the Communication category with local stdio execution.

How do I install Slack MCP Server or WASync — WhatsApp Platform API 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 WASync — WhatsApp Platform API free or paid?

Slack MCP Server operates under a Free / Open Source model (other). WASync — WhatsApp Platform API 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. WASync — WhatsApp Platform API lists 0 tools with 0 views and 0 GitHub stars.

Can I use both Slack MCP Server and WASync — WhatsApp Platform API 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 WASync — WhatsApp Platform API

In-depth architectural comparison of the Slack MCP Server and WASync — WhatsApp Platform API 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

WASync — WhatsApp Platform API

Communication · Local stdio

Quality: 37/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Slack MCP Server if you need specialized Communication tools running via a local process. Choose WASync — WhatsApp Platform API 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 WASync — WhatsApp Platform API 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).

Explore WASync — WhatsApp Platform API Details

Feature & Specification Comparison

Specification	Slack MCP Server korotovsky Communication	W WASync — WhatsApp Platform API Communication
Summary	The most powerful MCP server for Slack Workspaces.	WhatsApp for your app or AI agent over OAuth2 — the same connections WASync runs inside your CRM.
Category & Scope	Communication	Communication

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"
      }
    }
  }
}

WASync — WhatsApp Platform API Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "wasync-whatsapp-platform-api": {
      "command": "npx",
      "args": [
        "-y",
        "wasync-whatsapp-platform-api"
      ]
    }
  }
}

Frequently Asked Questions

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

More alternatives to Slack MCP Server More alternatives to WASync — WhatsApp Platform API Communication category hub