What is the key difference between Ntfy MCP and Slack MCP Server?

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

How do I install Ntfy MCP or Slack 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 Ntfy MCP and Slack MCP Server free or paid?

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

Which MCP server has more tools and community activity?

Ntfy MCP lists 5 tools with 4 views and 44 GitHub stars. Slack MCP Server lists 7 tools with 1 views and 1,828 GitHub stars.

Can I use both Ntfy MCP and Slack 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

Ntfy MCP vs Slack MCP Server

In-depth architectural comparison of the Ntfy MCP 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.

At a Glance & Executive Verdict

Ntfy MCP

Communication · Local stdio

Quality: 36/100 (Fair) | Auth: No auth required

Slack MCP Server

Communication · Local stdio

Quality: 51/100 (Good) | Auth: other

Verdict Summary: Choose Ntfy MCP if you need specialized Communication tools running via a local process. Choose Slack 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 Ntfy MCP 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).
You have access to required keys: NTFY_TOPIC.
Primary tools included: Sends notifications through ntfy, Exposes the notify_user MCP tool, Uses NTFY_TOPIC for topic selection.

Explore Ntfy MCP 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	Ntfy MCP teddyzxcv Communication	Slack MCP Server korotovsky Communication
Summary	The MCP server that keeps you informed by sending the notification on phone using ntfy	The most powerful MCP server for Slack Workspaces.
Category & Scope	Communication

Tools & Capabilities Breakdown

Ntfy MCP Tools (5)

Sends notifications through ntfy

Exposes the notify_user MCP tool

Uses NTFY_TOPIC for topic selection

Runs locally with Node.js

Includes Cline configuration guidance

Slack MCP Server Tools (7)

UserID

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

UserName

Slack username

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).

Ntfy MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "teddyzxcv-ntfy-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "teddyzxcv-ntfy-mcp"
      ],
      "env": {
        "NTFY_TOPIC": "YOUR_NTFY_TOPIC_HERE"
      }
    }
  }
}

Slack MCP Server Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

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

More alternatives to Ntfy MCP More alternatives to Slack MCP Server Communication category hub Canonical compare URL