Emailmd vs Hackle

In-depth architectural comparison of the Emailmd and Hackle 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.

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

Explore Emailmd Details

Choose Hackle 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 Hackle Details

Feature & Specification Comparison

Specification	Emailmd anypost Communication	Hackle Communication
Summary
Category & Scope	Communication	Communication
Quality signal

Tools & Capabilities Breakdown

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).

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

{
  "mcpServers": {
    "hackle": {
      "command": "npx",
      "args": [
        "-y",
        "@hackle-io/hackle-mcp@latest"
      ]
    }
  }
}

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