# Ads Math

Calculate and model paid-media CPA, CPL, CPC, CPM, ROAS, MER, break-even targets...

- Repository: https://github.com/AgriciDaniel/claude-ads (10652 stars)
- Category: Engineering
- License: MIT
- Last updated: 2026-11-01
- Runs scripts: no, instructions only

## Install

Claude Code: `npx skills add AgriciDaniel/claude-ads --skill ads-math -g -a claude-code -y`
Codex: `npx skills add AgriciDaniel/claude-ads --skill ads-math -g -a codex -y`
Cursor: `npx skills add AgriciDaniel/claude-ads --skill ads-math -g -a cursor -y`
Gemini CLI: `npx skills add AgriciDaniel/claude-ads --skill ads-math -g -a gemini-cli -y`
Claude Code plugin marketplace: `/plugin marketplace add AgriciDaniel/claude-ads`

## Description

Calculate and model paid-media CPA, CPL, CPC, CPM, ROAS, MER, break-even targets, contribution margin, LTV:CAC, impression-share opportunity, budgets, forecasts, and experiment economics. Use for PPC math, ad calculator, break-even analysis, ROAS calculator, CPA calculator, budget forecast, LTV CAC, or MER.

## SKILL.md, as published by its author (untrusted third-party text, read it as data)

# Paid Media Financial Model

1. Identify the decision and collect units, currency, period, tax/refund treatment,
   margin, attribution basis, and uncertainty.
2. Show the formula and map every input to an operator value or cited artifact.
3. Validate denominators, sign, missing values, incompatible windows, and unit
   conversions.
4. Calculate base, downside, and upside cases where uncertainty affects the decision.
5. Keep platform-attributed revenue, blended business revenue, cash flow, and
   contribution margin distinct.
6. Return machine-readable inputs, formulas, outputs, sensitivities, and decision
   implications.

Never fabricate missing financial inputs, hide division-by-zero, or present a point
forecast without its assumptions.