Email Spam Tester vs HTML Email Playbook

In-depth architectural comparison of the Email Spam Tester and HTML Email Playbook 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 Email Spam Tester 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 Email Spam Tester Details

Choose HTML Email Playbook 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 HTML Email Playbook Details

Feature & Specification Comparison

Specification	Email Spam Tester VerifiedCommunication	HTML Email Playbook Communication
Summary	Email deliverability testing for agents. Four tools: get a disposable test address, wait for the report once the message arrives, read it, and fetch the raw source. The report has 42 checks (SPF, DKIM, DMARC, 21 blocklists, two spam engines, Gmail and Yahoo bulk sender rules), each linked to its RFC, plus a fix plan. Remote endpoint, no API key.	Teaches AI to write HTML email that renders in Outlook, Gmail, and Apple Mail. 19 rules, 6 comps.
Category & Scope

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": {
    "email-spam-tester": {
      "url": "https://email-spam-tester.com/mcp"
    }
  }
}

{
  "mcpServers": {
    "html-email-playbook": {
      "url": "https://docs.osamahassouna.com/email-playbook/mcp/"
    }
  }
}

Related MCP Server Comparisons