• RATIO
  • INPUTS
  • TRENDS
  • HUMAN

How to calculate your magic number with your AI

Connect your financial data once. Your AI handles the math and the ratio analysis from then on.

Ask AI about this page

Short answer

How do I find my magic number?

Divide your Net New ARR by your total Sales and Marketing spend. Your AI pulls these specific figures from your connected data to give you the exact ratio. You'll see the breakdown of the inputs used for the calculation below.

The results you get.

What you'll see in chat.

Once the data is connected, your AI delivers these specific results.

RATIO

The magic number

The AI calculates the precise ratio of Net New ARR to S&M spend. You get a single number to track your efficiency.

INPUTS

Verified data points

The AI identifies the specific ARR and spend figures it used. You can check these against your source records.

TRENDS

Efficiency direction

The AI compares your current ratio to previous periods. This shows if your unit economics are improving or sliding.

HUMAN

Strategic review

The AI flags anomalies in the spend or revenue. You decide if those numbers require a manual audit or a change in strategy.

The workflow

What your AI does when the data arrives.

The AI performs the heavy lifting of data extraction and math.

  1. Data extraction

    The AI scans your connected financial records to find Net New ARR and S&M costs.

    calculate_magic_number

  2. Ratio calculation

    The AI runs the division to find the magic number based on the extracted totals.

    calculate_magic_number

  3. Validation

    The AI checks the math against the raw totals to ensure the ratio is accurate.

    calculate_magic_number

  4. Reporting

    The AI presents the final ratio and the underlying components in your chat interface.

    calculate_magic_number

Try it

Copy these to start.

Use these prompts to trigger the calculation immediately.

Starting points

Replace the bracketed text with your specific source names like your CRM or accounting sheet.

Magic Number Calculator Connector

You're all set. Choose your MCP client and follow the setup instructions.

Connector linkhttps://edge.vinkius.com/vk_preview_TQeAOYChQ2JRBFEdaNVzEAjtz55h5Ww9wydTcKWF/mcp

Claude Desktop

Follow the steps below to connect in seconds.

  1. 1In Claude Desktop, open Settings → Connectors.
  2. 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
  3. 3Click Add and start a new chat — Magic Number Calculator capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "magic-number-calculator-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_TQeAOYChQ2JRBFEdaNVzEAjtz55h5Ww9wydTcKWF/mcp"
    }
  }
}
Copy into chat04

  • Calculate my magic number using the data in my Q3 revenue sheet.

  • What is my magic number based on the latest S&M spend in my accounting export?

  • Run the magic number calculation using the Net New ARR from my CRM.

  • Show me the magic number for this fiscal year using my current sales and marketing costs.

  • Claude
  • ChatGPT
  • Cursor
  • VS Code
  • Windsurf
  • Claude Code
  • JetBrains
  • Cline

Start here

Connect Magic Number Calculator once, then ask.

You only need to link your data source once. Your login credentials stay encrypted and secure on our side.

Connect Magic Number Calculator to your AI

FAQ

How this task behaves.

  • 01

    Can the AI change my actual financial records?

    No. The AI only reads the data to perform the calculation. It cannot edit or delete your original records.

  • 02

    Does the AI decide how much to spend on marketing?

    No. The AI only reports on the ratio of what you have already spent. Budget decisions remain with you.

  • 03

    What happens if my data is missing a category?

    The AI will tell you exactly which piece of data is missing. It won't guess or invent a number to finish the calculation.

  • 04

    Can I use this with any AI client?

    Yes, as long as your client is MCP-compatible, like Claude, Cursor, or Windsurf.

  • 05

    How does it know which ARR is 'Net New'?

    The AI looks for the specific Net New ARR field in the data you provide through the connector.

  • More questions about Magic Number Calculator? The Connector page answers them. See everything the Magic Number Calculator Connector can do

Connect Magic Number Calculator to Claude, Cursor, ChatGPT & more