MCP For Claude Marketplace
Subscription Box Unit Economics Engine

Subscription Box Unit Economics Engine MCP Connector for Claude

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Calculate profitability, LTV, and payback periods for subscription box models.

4 tools Official Updated Oct 1, 2026 Official Vinkius Partner
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This MCP server provides a complete financial modeling engine for subscription box businesses. It allows AI agents to calculate core profitability metrics including contribution margin, customer lifetime value (LTV), and payback periods. Users can perform detailed cost analysis using get_margin_breakdown to identify cost-heavy areas, run sensitivity tests with analyze_sensitivity to see how cost changes impact LTV, and project long-term profitability using simulate_cohort_growth. The engine handles complex variables like shipping costs, payment fees, and churn rates to provide accurate economic insights.

subscriptionunit-economicsltvprofitabilityfinancial-modeling

4 tools expose this connector's capabilities to your AI agent.

analyze_sensitivity

Evaluates how much the LTV changes when a specific cost or rate is adjusted

get_margin_breakdown

Provides a detailed view of where the revenue is going to identify cost-heavy areas

simulate_cohort_growth

Projects the total monthly profit of a cohort over time based on initial acquisition and churn

calculate_unit_economics

Calculates fundamental profitability metrics (Contribution Margin and LTV) for a single subscription unit

See how to talk to your AI agent using Subscription Box Unit Economics Engine.

Calculate the unit economics for a box priced at $40 with a $15 product cost, $5 packaging, $3 fulfillment, $6 shipping, a 3% payment fee, and 5% monthly churn.

The contribution margin is $14.88, the LTV is $297.60, the payback period is 3.4 months, and the break-even churn rate is 37.2%.

Show me the cost breakdown for a $50 subscription box where product costs are $20 and shipping is $8.

The total variable costs are $32.50, leaving a net margin of $17.50. Product costs account for 40% of the price, while shipping accounts for 16%.

If I increase my product cost by $2, how much will my LTV decrease?

Increasing the product cost by $2 reduces the LTV from $300.00 to $240.00, representing a 20% decrease.

LTV is calculated by dividing the contribution margin per unit by the monthly churn rate.

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