What is the key difference between Dns and Emailmd?

Dns belongs to the Communication category with cloud HTTP/SSE execution, while Emailmd belongs to the Communication category with local stdio execution.

How do I install Dns or Emailmd 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 Dns and Emailmd free or paid?

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

Which MCP server has more tools and community activity?

Dns lists 4 tools with 0 views and 9 GitHub stars. Emailmd lists 6 tools with 2 views and 1,373 GitHub stars.

Can I use both Dns and Emailmd 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

Dns vs Emailmd

In-depth architectural comparison of the Dns and Emailmd 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

Dns

Communication · Remote HTTP/SSE

Quality: 53/100 (Good) | Auth: No auth required

Emailmd

Communication · Local stdio

Quality: 64/100 (Good) | Auth: No auth required

Verdict Summary: Choose Dns if you need specialized Communication tools running via a hosted cloud SSE transport. Choose Emailmd 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 Dns 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).
Primary tools included: group, tier, scanIncluded.

Explore Dns Details

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 responsive, email-safe HTML conversion, Plain text email version generation, Linting for email deliverability issues.

Explore Emailmd Details

Feature & Specification Comparison

Specification	Dns Communication	Emailmd anypost Communication
Summary	DNS & email security scanner — 51 tools for SPF, DMARC, DKIM, DNSSEC, SSL, and more.	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.
Category & Scope	Communication

Tools & Capabilities Breakdown

Dns Tools (4)

group

functional group (`email_auth`, `infrastructure`, `brand_threats`, `dns_hygiene`, `intelligence`, `remediation`, `discovery`, `identity_secops`, `meta`).

tier

scoring tier (`core` / `protective` / `hardening`); absent for non-scoring tools.

scanIncluded

`true` when the tool runs inside `scan_domain`'s parallel audit.

recommended

present (`true`) only on the curated **starter set** (`scan_domain`, `explain_finding`, `compare_baseline`); omitted otherwise. A client facing the full surface can lead with `tools.filter(t => t._meta.recommended)` to avoid overwhelming an LLM with all tools flat. Every tool is still listed — this…

Emailmd Tools (6)

Markdown to responsive, email-safe HTML conversion

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).

Dns Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "dns": {
      "url": "https://dns-mcp.blackveilsecurity.com/mcp"
    }
  }
}

Emailmd Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

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

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