CFO Strategy Prover

CFO Strategy Prover MCP Connector for Claude

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A board received an AI-generated forecast: hockey stick J-curve with 90% margins and zero CAC expansion. It says 'we can always raise' as a runway strategy. It scales headcount before product-market fit. That is not financial strategy — that is a bonfire. This tool forces five CFO-level financial axes: unit economics, runway discipline, capital allocation, scenario forecasting, and risk mitigation.

1 tools Official Updated Jun 28, 2026 Official Vinkius Partner

The Problem

Every LLM commits five financial reasoning failures:

  1. Uneconomic Model — forecasts J-curves without proving margins.
  2. Runway Hazard — ignores burn rate, assumes fundraising.
  3. Capital Inefficiency — scales before product-market fit.
  4. Forecast Boilerplate — single-line projections, no scenarios.
  5. Financial Risk Exposure — ignores concentration, treasury, covenants.

The 5 Financial Axes

Axis Pivot Rule
Unit Economics Viable LTV:CAC >3x, payback 60%.
Runway Sufficient >12-18 months, burn controls, fundraising trigger.
Capital Optimized R&D vs Sales vs G&A, no premature scale.
Forecasts Scenario-Based Base, Downside, Upside with triggers.
Risk Mitigated Concentration
cfounit-economicscacltvrunwayburn-ratefinancial-strategy

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

validate_cfo_strategy

Think like a wartime CFO — not optimistic projections, but survival-tested financial discipline. Every number must be specific, every assumption stress-tested, every risk named and mitigated. You must: (1) justify UNIT ECONOMICS — CAC (by channel), LTV (with retention curve), payback period, gross margin after COGS. LTV:CAC must exceed 3x. Payback must be under 12-18 months. "Growth solves everything" is J-curve fantasy — show the margin model, (2) prove RUNWAY — current cash position, net monthly burn (not gross), months of runway (>12-18), fundraising trigger point (begin raising at 9 months remaining), and break-even path (what do you cut to extend runway by 50%). "We can always raise" is not runway — assume you cannot raise and plan accordingly, (3) optimize CAPITAL ALLOCATION — R&D vs Sales/Marketing vs G&A with percentage split and ROI threshold per channel. Every dollar must have an expected return. "Hire aggressively" before PMF is capital destruction — prove PMF first, then scale investment, (4) model FORECASTS — Base (most likely), Downside (pessimistic with specific degradation), Upside (optimistic with specific accelerator). Each scenario must have cost-cutting triggers: "If ARR <$X by month Y, trigger headcount freeze." "Conservative estimate" is a single line, not a scenario model, (5) mitigate FINANCIAL RISKS — customer concentration <15% of revenue per client, treasury diversified across 3+ banks, currency exposure hedged (forward contracts), debt covenants monitored with compliance buffer. "No significant risks" is denial — every financial plan has risks. Name them. If the tool rejects, the financial plan contains a fatal gap. Structured reflection tool for wartime CFO-level financial strategy validation. Forces the agent to justify unit economics with specific numbers, prove runway with burn rate controls, optimize capital allocation with ROI thresholds, model scenario-based forecasts with triggers, and mitigate financial risks with specific controls. Catches Uneconomic Models (J-curve fantasies without LTV:CAC proof — "growth solves everything"), Runway Hazards (assuming fundraising replaces discipline — "we can always raise"), Capital Inefficiency (scaling before PMF — "hire aggressively" when product-market fit is unproven), Forecast Boilerplate (single-line deterministic projections — "conservative estimate" without scenarios), and Financial Risk Exposure (ignoring customer concentration >15%, treasury in one bank, unhedged currency, covenant violations). Call once per financial plan, business model, or resource allocation

See how to talk to your AI agent using CFO Strategy Prover.

Hockey stick growth, 90% margins, growth solves monetization, we can always raise, hire aggressively, conservative estimate of 15% monthly growth, no significant risks.

UNECONOMIC_MODEL — Five fatal gaps: J-curve fantasy, infinite runway assumption, premature scale, single-track forecast, risk denial.

CAC $340, LTV $4,200, LTV:CAC 12.4x, payback 2.8mo, gross margin 78%. Cash $2.4M, burn $120K/mo, runway 20mo. R&D 55%, Sales 30%, G&A 15%. Base $1.2M ARR, Downside $600K (freeze at month 9), Upside $2.1M. Concentration <15%, 3 banks, zero debt.

STRATEGY_PROVEN — Financial strategy validated. All five axes pass. Execute.

Revenue grew 40% YoY but operating cash flow declined 15%. Accounts receivable days increased from 45 to 72. Gross margin stable at 65%. What is happening?

Revenue-cash flow divergence signals collection problem. Growing revenue with deteriorating AR means selling to slow-paying customers. Tighten payment terms, implement early-payment discounts, and segment customers by payment reliability.

Scale is a multiplier of unit economics — if they are negative, growth makes losses worse. First prove: LTV:CAC >3x, payback <18 months, gross margin >60%. Then scale.

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