What is the key difference between Emailmd and Domain Security?

Emailmd belongs to the Communication category with local stdio execution, while Domain Security belongs to the Communication category with local stdio execution.

How do I install Emailmd or Domain Security 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 Emailmd and Domain Security free or paid?

Emailmd operates under a Free / Open Source model (No auth required). Domain Security operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Emailmd lists 6 tools with 2 views and 1,379 GitHub stars. Domain Security lists 0 tools with 0 views and 0 GitHub stars.

Can I use both Emailmd and Domain Security 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

Emailmd vs Domain Security

In-depth architectural comparison of the Emailmd and Domain Security 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

Emailmd

Communication · Local stdio

Quality: 61/100 (Good) | Auth: No auth required

Domain Security

Communication · Local stdio

Quality: 28/100 (Emerging) | Auth: No auth required

Verdict Summary: Choose Emailmd if you need specialized Communication tools running via a local process. Choose Domain Security 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 Emailmd 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: Markdown-to-email-safe HTML rendering, Plain-text email output, Deliverability linting.

Explore Emailmd Details

Choose Domain Security 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 Domain Security Details

Feature & Specification Comparison

Specification	Emailmd anypost Communication	D Domain Security Communication
Summary	Write and preview emails from your assistant. Renders markdown into email-safe HTML that holds up in Outlook and Gmail, lints drafts for deliverability problems, and returns a live preview link. Hosted with no API key, or run it locally with npx emailmd mcp.	Audit a domain's email and web security: SPF, DKIM, DMARC, MTA-STS, DNSSEC, TLS, WHOIS. No API keys.
Category & Scope	Communication

Tools & Capabilities Breakdown

Emailmd Tools (6)

Markdown-to-email-safe HTML rendering

Plain-text email output

Deliverability linting

Emailmd syntax documentation lookup

Hosted Streamable HTTP transport

Local stdio transport

Domain Security 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).

Emailmd Configuration

mcpServers (Claude Desktop / Cursor)

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

Domain Security Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

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

More alternatives to Emailmd More alternatives to Domain Security Communication category hub