Tomba MCP Server vs Opus Growth

In-depth architectural comparison of the Tomba MCP Server and Opus Growth 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 Tomba MCP Server when:

• You need dedicated capabilities in the Marketing domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (Freemium).
• You have access to required keys: TOMBA_API_KEY, TOMBA_SECRET_KEY.
• Primary tools included: Email discovery and domain search, Email and phone verification, Person and company enrichment.

Explore Tomba MCP Server Details

Choose Opus Growth when:

• You need dedicated capabilities in the Marketing domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: OAuth 2.0 (Freemium).
• Primary tools included: Hosted MCP endpoint, Google OAuth sign-in, Five supported advertising platforms.

Feature & Specification Comparison

Specification	Tomba MCP Server tomba-io Marketing	Opus Growth VerifiedMarketing
Summary	Email discovery, verification, and enrichment tools. Find email addresses, verify deliverability, enrich contact data, discover authors and LinkedIn profiles, validate phone numbers, and analyze technology stacks.	Hosted, OAuth-protected MCP server for advertising operations. One connector covers Google Ads, Meta Ads, Microsoft Advertising, TikTok Ads and LinkedIn Ads, plus Search Console, GA4, YouTube, Tag Manager and Google Business Profile. Every write returns a dry-run preview and is applied only after explicit confirmation.

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": {
    "tomba-io-tomba-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@tomba-io/tomba-mcp-server"
      ],
      "env": {
        "TOMBA_API_KEY": "YOUR_TOMBA_API_KEY_HERE",
        "TOMBA_SECRET_KEY": "YOUR_TOMBA_SECRET_KEY_HERE"
      }
    }
  }
}

{
  "mcpServers": {
    "opus-growth": {
      "url": "https://mcp.opus-growth.com/mcp"
    }
  }
}

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