Opus Growth vs PlainRouter

In-depth architectural comparison of the Opus Growth and PlainRouter 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 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.

Explore Opus Growth Details

P

Choose PlainRouter when:

• You need dedicated capabilities in the Marketing domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• You have access to required keys: PLAINROUTER_WORKSPACE_TOKEN.
• Primary tools included: get_account_state, get_account_inventory, get_inventory_metrics.

Explore PlainRouter Details

Feature & Specification Comparison

Specification	Opus Growth VerifiedMarketing	P PlainRouter Marketing
Summary	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.	Inspect an approved ad account and first-party signal health, then propose policy-gated actions.
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": {
    "opus-growth": {
      "url": "https://mcp.opus-growth.com/mcp"
    }
  }
}

{
  "mcpServers": {
    "plainrouter-2": {
      "command": "npx",
      "args": [
        "-y",
        "@plainrouter/cli"
      ],
      "env": {
        "PLAINROUTER_WORKSPACE_TOKEN": "YOUR_PLAINROUTER_WORKSPACE_TOKEN_HERE"
      }
    }
  }
}

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