Ads Math Skill for Claude
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.
Install
one command, takes just this skill from the repositorynpx skills add https://github.com/AgriciDaniel/claude-ads --skill ads-mathThe instruction itself
1 sections, as written by the authorPaid Media Financial Model
- Identify the decision and collect units, currency, period, tax/refund treatment,
margin, attribution basis, and uncertainty.
- Show the formula and map every input to an operator value or cited artifact.
- Validate denominators, sign, missing values, incompatible windows, and unit
conversions.
- Calculate base, downside, and upside cases where uncertainty affects the decision.
- Keep platform-attributed revenue, blended business revenue, cash flow, and
contribution margin distinct.
- 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.
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How to use it
Take agricidaniel/ads-math from the repository into ~/.claude/skills for personal
use, or into .claude/skills inside a project.
The agent identifies a skill by the name field in its header. Two skills with the
same name cannot sit side by side — one of them will be ignored.