Email Deliverability Audit API vs Telegram MCP

In-depth architectural comparison of the Email Deliverability Audit API and Telegram MCP 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 Deliverability Audit API 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: email_audit_deliverability, domain.

Explore Email Deliverability Audit API Details

Choose Telegram MCP when:

• You need dedicated capabilities in the Communication domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (Free / Open Source).
• You have access to required keys: TG_APP_ID, TG_API_HASH.
• Primary tools included: Get current user account info, List dialogs with optional unread filter, Retrieve messages from dialogs.

Feature & Specification Comparison

Specification	Email Deliverability Audit API Communication	Telegram MCP chaindead Communication
Summary	Audit email domain deliverability: SPF, DKIM, DMARC, MX. Score 0-100. x402.	Telegram API integration for accessing user data, managing dialogs (chats, channels, groups), retrieving messages, and handling read status
Category & Scope	Communication

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-deliverability-audit-api": {
      "url": "https://email-deliverability.api.klymax402.com/mcp"
    }
  }
}

{
  "mcpServers": {
    "chaindead-telegram-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@chaindead/telegram-mcp"
      ],
      "env": {
        "TG_APP_ID": "YOUR_TG_APP_ID_HERE",
        "TG_API_HASH": "YOUR_TG_API_HASH_HERE"
      }
    }
  }
}

Related MCP Server Comparisons