- METRICS
- LIFT
- BASELINE
- HUMAN
Short answer
How do I calculate incremental CPA using AI?
Your AI uses the Incrementality Estimator to compare your baseline conversion volume against your total volume after running ads. This reveals the actual cost of the customers you wouldn't have gotten otherwise. You'll see the specific lift and true cost per incremental conversion.
The results you get
Where your analysis lands
The AI processes your raw data into these specific insights.
METRICS
True cost per acquisition
The AI calculates the cost of customers who only converted because of your ads. You get a clear view of budget efficiency.
LIFT
Conversion lift percentage
See exactly how much your marketing spend actually moved the needle. This shows the percentage of total sales driven by your campaigns.
BASELINE
Organic baseline volume
The AI determines what your sales would have looked like without any paid intervention. This provides the foundation for all incrementality math.
HUMAN
Budget reallocation decisions
The AI provides the numbers, but you decide where to move the money. You use these insights to cut waste and scale winning channels.
The workflow
What your AI does when the data arrives.
The AI performs the heavy lifting on your conversion data to isolate true impact.
Establish the baseline
The AI looks at your historical or control group data to figure out your natural conversion rate. This sets the floor for your analysis.
calculate_baseline_metricsMeasure the lift
The AI compares your active campaign data against that baseline. It identifies the gap created by your marketing spend.
calculate_incrementality_metricsCalculate incremental CPA
The AI divides your total spend by the number of incremental conversions found. This gives you the real cost of growth.
calculate_incrementality_metricsSummarize efficiency
The AI pulls the final ratios together. It presents the relationship between your spend and the actual new customers gained.
calculate_baseline_metricscalculate_incrementality_metrics
Try it
Copy these to start.
Use these prompts to kick off your analysis.
Starting points
Swap out the bracketed text for your specific data sources like a Google Sheet or a marketing dashboard.
Incrementality Estimator Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_tm5KKoTQEsBfA1gKEU6xiVwb0Wu7MUilDtNGbVTj/mcpClaude Desktop
Follow the steps below to connect in seconds.
- 1In Claude Desktop, open Settings → Connectors.
- 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
- 3Click Add and start a new chat — Incrementality Estimator capabilities are ready to use.
{
"mcpServers": {
"incrementality-estimator-mcp": {
"url": "https://edge.vinkius.com/vk_preview_tm5KKoTQEsBfA1gKEU6xiVwb0Wu7MUilDtNGbVTj/mcp"
}
}
}Calculate the incremental CPA for my Facebook Ads campaign using this spreadsheet.
Compare the baseline conversion volume in my Google Sheets data to my total sales.
What was the incremental lift for my Search campaign based on this CSV?
Analyze the efficiency of my recent YouTube spend using the incrementality metrics.
Claude
ChatGPT
Cursor
VS Code
Windsurf
Claude Code
JetBrains
Cline
Start here
Connect Incrementality Estimator once, then ask.
Just link your data source once. Your credentials stay encrypted, and you can immediately start asking your AI for incrementality reports.
Connect Incrementality Estimator to your AIFAQ
Common questions
- 01
Can the AI change my ad spend directly?
No. The AI only calculates metrics based on the data it reads. You must manually adjust your budgets in your ad platforms.
- 02
Does the AI delete my original data files?
No. The AI only reads your data to perform calculations. It cannot modify or delete your spreadsheets or databases.
- 03
What data do I need to provide?
You need to provide data that includes your total spend and your conversion volumes, typically via a spreadsheet or a connected data source.
- 04
Can it calculate CPA for a single channel?
Yes, as long as your data allows the AI to isolate the spend and conversions for that specific channel.
- 05
How does it know what is 'incremental'?
It uses the baseline metrics to estimate what would have happened without your ads, then compares that to your actual results.
More questions about Incrementality Estimator? The Connector page answers them. See everything the Incrementality Estimator Connector can do
Connect Incrementality Estimator to Claude, Cursor, ChatGPT & more
