What is the key difference between MCP Server and Opus Growth?

MCP Server belongs to the Marketing category with local stdio execution, while Opus Growth belongs to the Marketing category with cloud HTTP/SSE execution.

How do I install MCP Server or Opus Growth in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are MCP Server and Opus Growth free or paid?

MCP Server operates under a BYOK (Pay Provider Direct) model (API Key required). Opus Growth operates under a Freemium model (OAuth 2.0).

Which MCP server has more tools and community activity?

MCP Server lists 19 tools with 4 views and 1 GitHub stars. Opus Growth lists 6 tools with 4 views and 0 GitHub stars.

Can I use both MCP Server and Opus Growth together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

MCP Server vs Opus Growth

In-depth architectural comparison of the 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.

At a Glance & Executive Verdict

MCP Server

Marketing · Local stdio

Quality: 53/100 (Good) | Auth: API Key required

Opus Growth

Marketing · Remote HTTP/SSE

Quality: 75/100 (Great) | Auth: OAuth 2.0

Verdict Summary: Choose MCP Server if you need specialized Marketing tools running via a local process. Choose Opus Growth if your workspace requires Marketing integration with remote web transport. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose 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 (BYOK (Pay Provider Direct)).
You have access to required keys: QR_MAKER_API_KEY, QR_MAKER_API_URL.
Primary tools included: generate_qr, batch_generate, get_batch_status.

Explore 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.

Explore Opus Growth Details

Feature & Specification Comparison

Specification	MCP Server qr-maker-io Marketing	Opus Growth VerifiedMarketing
Summary	Generate styled QR codes, manage dynamic short links with click analytics, and publish micro-landing pages. Install: npx @qr-maker/mcp-server --api-key=YOURKEY.	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

MCP Server Tools (19)

generate_qr

Generate a styled QR code with custom colors, dots, logos, and frames

batch_generate

Batch generate up to 100 QR codes (Pro+)

get_batch_status

Poll batch job status

create_short_link

Create a tracked short link with click analytics

list_links

List short links with click counts

get_link

Get details of a specific short link

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).

MCP Server Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "qr-maker-io-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/inspector"
      ],
      "env": {
        "QR_MAKER_API_KEY": "YOUR_QR_MAKER_API_KEY_HERE",
        "QR_MAKER_API_URL": "YOUR_QR_MAKER_API_URL_HERE"
      }
    }
  }
}

Opus Growth Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

MCP Server is categorized under Marketing and uses a local stdio subprocess. In contrast, Opus Growth belongs to Marketing using remote streaming HTTP/SSE transport. Select MCP Server when you need capabilities focused on marketing and Opus Growth when you require tools for marketing.

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