How to Use the LTV:CAC Calculator MCP in Claude

Pinpoint profitable scaling for your Claude Desktop development workflow.

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Connect LTV:CAC Calculator MCP to Claude Desktop

Create your Vinkius account to connect LTV:CAC Calculator to Claude Desktop — we handle the hosting, security, and runtime updates so you don't have to. No server setup required.

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Setup LTV:CAC Calculator with Claude Desktop

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Find CAC per marketing channel

Need to know exactly how much you spent to land a single customer? This MCP uses `calculate_cac` to process spending and new users across multiple channels. It spits out the precise Customer Acquisition Cost for each source, so you can cut the junk spend. Don't guess your marketing ROI. Feed it an array of channel data—like Facebook vs. Google Ads—and get a clean breakdown. It’s immediate financial intelligence right inside the Claude Desktop app.

Determine Customer Lifetime Value (LTV)

The LTV component is critical for any SaaS business planning expansion. The `calculate_ltv` tool requires three inputs: average revenue, margin percentage, and your churn rate. It runs the math to give you a solid dollar figure for what one customer's life cycle is worth. This calculation helps you move past vanity metrics. You get an actual modeled value that accounts for how long people stay subscribed and how much profit you make on them.

Evaluate overall profitability ratio

Once you have LTV and CAC, the `evaluate_profitability` tool ties it all together. It spits out the final LTV:CAC ratio and a payback period estimate. This gives your team an immediate verdict on whether the current acquisition strategy is sustainable. It doesn't just give numbers; it assesses if you can scale profitably or if you’re bleeding cash trying to find new users.

Setup guide

Set up LTV:CAC Calculator MCP in Claude Web or Desktop

1

Open Claude Settings

Go to claude.ai, click your profile icon, then navigate to Customize → Connectors.
2

Add Custom Connector

Click the "+" button and select Add custom connector. Paste your Vinkius endpoint URL: https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. For OAuth-protected servers, expand Advanced settings to add credentials.
3

Start a conversation

Open a new chat. The LTV:CAC Calculator MCP tools are available immediately — no restart needed.

Endpoint URL

https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

No configuration file needed — paste the URL directly in the Claude web interface.

Available on Free (1 connector), Pro, Max, Team, and Enterprise plans.

Prerequisites

Claude Desktop installed (macOS or Windows)
Active Vinkius subscription with a valid endpoint token

1

Open Claude Desktop Settings

Click the menu icon at the top-left corner, go to Settings → Developer → Edit Config. This opens claude_desktop_config.json in your default text editor.
2

Paste the LTV:CAC Calculator MCP configuration

Copy the JSON snippet on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Restart Claude Desktop

Close and reopen the application. Claude needs a full restart to load new MCPs — refreshing a conversation is not enough.
4

Verify the connection

Open a new conversation. Click the 🔌 icon at the bottom of the message input. You should see tools listed under ltvcac-calculator-mcp.

json

{
  "mcpServers": {
    "ltvcac-calculator-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by LTV:CAC Calculator API. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about LTV:CAC Calculator MCP in Claude Desktop

It immediately tells you which marketing channels are actually paying off. Instead of just guessing, running the data through the MCP helps you pinpoint exactly where to cut spending and double down on what works.

You'll feed it channel spend and customer counts for CAC. For LTV, you just need your average revenue per user (ARPU), gross margin percentage, and your current churn rate.

Yes. Your credentials pass through a zero-trust proxy inside Vinkius. The keys are used only in transit; they never sit on your local disk, keeping everything secure.

This MCP handles financial metrics including total spending amounts (currency), customer counts (integers), and percentage rates (floats).

Absolutely. You can connect to your historical data sources from within the desktop app, run the calculations, and generate a report detailing profitability trends over time.

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