What is the key difference between Opn MCP and Google Tag Manager MCP Server?

Opn MCP belongs to the Marketing category with local stdio execution, while Google Tag Manager MCP Server belongs to the Marketing category with local stdio execution.

How do I install Opn MCP or Google Tag Manager MCP Server 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 Opn MCP and Google Tag Manager MCP Server free or paid?

Opn MCP operates under a Free / Open Source model (API Key required). Google Tag Manager MCP Server operates under a Free / Open Source model (OAuth 2.0).

Which MCP server has more tools and community activity?

Opn MCP lists 18 tools with 1 views and 2 GitHub stars. Google Tag Manager MCP Server lists 5 tools with 2 views and 212 GitHub stars.

Can I use both Opn MCP and Google Tag Manager MCP Server 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

Opn MCP vs Google Tag Manager MCP Server

In-depth architectural comparison of the Opn MCP and Google Tag Manager MCP Server 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

Opn MCP

Marketing · Local stdio

Quality: 57/100 (Good) | Auth: API Key required

Google Tag Manager MCP Server

Marketing · Local stdio

Quality: 60/100 (Good) | Auth: OAuth 2.0

Verdict Summary: Choose Opn MCP if you need specialized Marketing tools running via a local process. Choose Google Tag Manager MCP Server if your workspace requires Marketing integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Opn MCP when:

You need dedicated capabilities in the Marketing domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Free / Open Source).
You have access to required keys: OPN_API_KEY, OPN_BASE_URL.
Primary tools included: shorten_url, shorten_urls_bulk, list_links.

Explore Opn MCP Details

Choose Google Tag Manager MCP Server when:

You need dedicated capabilities in the Marketing domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: OAuth 2.0 (Free / Open Source).
You have access to required keys: GOOGLE_CLIENT_ID, GOOGLE_CLIENT_SECRET, COOKIE_ENCRYPTION_KEY, WORKER_HOST, HOSTED_DOMAIN.
Primary tools included: .

Feature & Specification Comparison

Specification	Opn MCP ysalitrynskyi Marketing	Google Tag Manager MCP Server stape-io Marketing
Summary	Shorten links, read click analytics, generate branded QR codes, and manage links on opn.onl — the open-source, self-hostable URL shortener. Works with the hosted service or your own instance.	This server supports remote MCP connections, includes built-in Google OAuth, and provide an interface to the Google Tag Manager API.
Category & Scope

Tools & Capabilities Breakdown

Opn MCP Tools (18)

shorten_url

Create a short link — optional alias, title, notes, scheduling (`starts_at`/`expires_at`), `max_clicks`, password, burn-after-reading, folder and tags

shorten_urls_bulk

Shorten many URLs at once, optionally into a folder

list_links

List your links (limit, offset, search, folder or tag filter)

update_link

Update destination, title, notes, scheduling, click limit, folder or protections; clear fields with `remove_*` flags

delete_link

Delete a link

clone_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).

Opn MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "ysalitrynskyi-opn-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "opn-mcp"
      ],
      "env": {
        "OPN_API_KEY": "YOUR_OPN_API_KEY_HERE",
        "OPN_BASE_URL": "YOUR_OPN_BASE_URL_HERE"
      }
    }
  }
}

Google Tag Manager MCP Server Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "stape-io-google-tag-manager-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "google-tag-manager-mcp-server"
      ],
      "env": {
        "GOOGLE_CLIENT_ID": "YOUR_GOOGLE_CLIENT_ID_HERE",
        "GOOGLE_CLIENT_SECRET": "YOUR_GOOGLE_CLIENT_SECRET_HERE",
        "COOKIE_ENCRYPTION_KEY": "YOUR_COOKIE_ENCRYPTION_KEY_HERE",
        "WORKER_HOST": "YOUR_WORKER_HOST_HERE",
        "HOSTED_DOMAIN": "YOUR_HOSTED_DOMAIN_HERE"
      }
    }
  }
}

Frequently Asked Questions

Opn MCP is categorized under Marketing and uses a local stdio subprocess. In contrast, Google Tag Manager MCP Server belongs to Marketing using local stdio subprocess. Select Opn MCP when you need capabilities focused on marketing and Google Tag Manager MCP Server when you require tools for marketing.

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