What is the key difference between Domain Sentinel and Lumail?

Domain Sentinel belongs to the Communication category with cloud HTTP/SSE execution, while Lumail belongs to the Communication category with local stdio execution.

How do I install Domain Sentinel or Lumail 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 Domain Sentinel and Lumail free or paid?

Domain Sentinel operates under a Free / Open Source model (No auth required). Lumail operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Domain Sentinel lists 0 tools with 0 views and 0 GitHub stars. Lumail lists 0 tools with 1 views and 1 GitHub stars.

Can I use both Domain Sentinel and Lumail 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

Domain Sentinel vs Lumail

In-depth architectural comparison of the Domain Sentinel and Lumail 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

Domain Sentinel

Communication · Remote HTTP/SSE

Quality: 42/100 (Fair) | Auth: No auth required

Lumail

Communication · Local stdio

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

Verdict Summary: Choose Domain Sentinel if you need specialized Communication tools running via a hosted cloud SSE transport. Choose Lumail 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 Domain Sentinel when:

You need dedicated capabilities in the Communication domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Domain Sentinel Details

Choose Lumail 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 Lumail Details

Feature & Specification Comparison

Specification	D Domain Sentinel Communication	Lumail Communication
Summary	Domain availability over RDAP, watchlists with daily checks, change history and email alerts.	Official Lumail email marketing MCP for campaigns, subscribers, and workflows.
Category & Scope	Communication	Communication
Quality signal

Tools & Capabilities Breakdown

Domain Sentinel Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Lumail Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

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).

Domain Sentinel Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "domain-sentinel": {
      "url": "https://www.domain-sentinel.com/en/mcp"
    }
  }
}

Lumail Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "lumail": {
      "command": "npx",
      "args": [
        "-y",
        "lumail"
      ]
    }
  }
}

Frequently Asked Questions

Domain Sentinel is categorized under Communication and uses a remote streaming HTTP/SSE transport. In contrast, Lumail belongs to Communication using local stdio subprocess. Select Domain Sentinel when you need capabilities focused on communication and Lumail when you require tools for communication.

More alternatives to Domain Sentinel More alternatives to Lumail Communication category hub