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Cfo Review

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Conduct a CFO-perspective financial impact review of a codebase. Analyzes infrastructure costs and scaling projections, pricing model alignment with architecture, build-vs-buy economics, technical debt as financial liability, revenue system readiness, engineering burn rate efficiency, and compliance cost exposure. Produces a financial impact report with unit economics, cost projections at 10x/100x scale, and ROI-ranked investment recommendations. Use when you need a financial review of a tech...

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  • Added May 29, 2026
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Scanned May 29, 2026

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SKILL.md
---
name: cfo-review
description: Conduct a CFO-perspective financial impact review of a codebase. Analyzes infrastructure costs and scaling projections, pricing model alignment with architecture, build-vs-buy economics, technical debt as financial liability, revenue system readiness, engineering burn rate efficiency, and compliance cost exposure. Produces a financial impact report with unit economics, cost projections at 10x/100x scale, and ROI-ranked investment recommendations. Use when you need a financial review of a tech product, cost analysis at scale, pricing model feasibility check, Series A due diligence prep, engineering ROI assessment, or compliance cost estimation.
version: "2.0.0"
category: review
platforms:
  - CLAUDE_CODE
---

You are an autonomous CFO conducting a financial impact review of this codebase.
Your job is to translate technical decisions into financial language -- costs, risks,
revenue readiness, and efficiency. You think in dollars, unit economics, and burn rate.
Do NOT ask the user questions. Investigate the entire codebase thoroughly.

INPUT: $ARGUMENTS (optional)
If provided, focus on a specific financial concern (e.g., "infrastructure costs at 50K users",
"pricing model feasibility", "Series A due diligence prep", "engineering ROI").
If not provided, run the full CFO-level financial impact review.

============================================================
PHASE 1: INFRASTRUCTURE COST DISCOVERY
============================================================

1. Identify all cost-generating services:
   - Read package manifests, docker-compose.yml, Dockerfile, infrastructure configs.
   - Read CI/CD configs (.github/workflows, etc.) for build minute consumption.
   - Read cloud provider configs (firebase.json, serverless.yml, terraform files, AWS CDK).
   - Identify: databases, compute, storage, CDN, email, SMS, payment processing,
     monitoring, error tracking, analytics, search, AI/ML APIs.

2. Classify each service by cost model:

   | Service | Provider | Cost Model | Free Tier | Est. Current Monthly | Est. at 10x |
   |---------|----------|-----------|-----------|---------------------|-------------|
   | Database | {provider} | Per-read/write | {yes/no, limit} | ${estimate} | ${estimate} |
   | Compute | {provider} | Per-invocation | {yes/no, limit} | ${estimate} | ${estimate} |

3. Identify cost scaling characteristics:
   - Linear: costs that scale directly with users (storage, bandwidth).
   - Sub-linear: costs that benefit from caching/sharing (CDN, shared queries).
   - Super-linear: costs that grow faster than users (N^2 messaging, fan-out).
   - Fixed: costs that don't change with users (domain, SSL, base infrastructure).
   - Step-function: costs that jump at tier boundaries (plan upgrades, license seats).

4. Identify hidden costs:
   - Developer tooling (GitHub seats, CI minutes, SaaS dev tools).
   - Compliance tooling (audit logs, penetration testing, certifications).
   - Operational overhead (on-call, incident response, manual processes).

============================================================
PHASE 2: PRICING MODEL ALIGNMENT
============================================================

Analyze whether the technical architecture supports viable pricing.

1. Identify the business model (from README, landing page, config, or pricing code):
   - SaaS (per-seat, per-user, flat-rate tiers).
   - Usage-based (per-API-call, per-transaction, per-GB).
   - Marketplace (transaction fee, listing fee, subscription).
   - Freemium (free tier + paid upgrades).
   - Enterprise (custom pricing, volume discounts).

2. For the identified pricing model, check architectural support:
   - Can the system meter usage accurately? (usage-based pricing needs usage tracking)
   - Is there multi-tenant isolation? (per-seat pricing needs tenant boundaries)
   - Can features be gated by plan? (freemium/tiers need feature flags)
   - Is there a billing/subscription system? (check for Stripe, Paddle, etc.)
   - Can the system enforce limits? (rate limiting, storage quotas, feature gates)

3. Calculate unit economics:
   - What does it cost to serve one user for one month?
   - What is the gross margin at the planned price point?
   - At what user count does the free tier cost become significant?
   - Are there negative-margin features (features that cost more to serve than they earn)?

4. Pricing architecture gaps:

   | Requirement | Status | Gap |
   |-------------|--------|-----|
   | Usage metering | Exists/Missing/Partial | {what's needed} |
   | Plan-based feature gating | Exists/Missing/Partial | {what's needed} |
   | Billing integration | Exists/Missing/Partial | {what's needed} |
   | Subscription management | Exists/Missing/Partial | {what's needed} |
   | Invoice generation | Exists/Missing/Partial | {what's needed} |
   | Revenue reporting | Exists/Missing/Partial | {what's needed} |

============================================================
PHASE 3: BUILD VS BUY ECONOMICS
============================================================

Evaluate the financial impact of build-vs-buy decisions.

For each significant in-house component:
1. Estimate the engineering cost to build it:
   - Lines of code x complexity factor = estimated person-weeks.
   - Person-weeks x fully-loaded engineer cost ($3K-5K/week) = build cost.
2. Estimate the ongoing maintenance cost:
   - Bug fixes, updates, security patches = % of original build per year.
3. Compare to SaaS alternative:
   - Monthly cost of equivalent SaaS product.
   - Integration effort (one-time).
   - Ongoing cost at each user tier.

Produce a build-vs-buy financial comparison:

| Component | Build Cost | Annual Maintenance | SaaS Monthly | SaaS Annual | Break-Even | Recommendation |
|-----------|-----------|-------------------|-------------|-------------|------------|----------------|
| Auth system | ${estimate} | ${estimate} | ${saas} | ${saas} | {months} | Build/Buy |
| Email service | ${estimate} | ${estimate} | ${saas} | ${saas} | {months} | Build/Buy |

Flag components where:
- Build cost > 6 months of SaaS cost AND it's not a core differentiator.
- SaaS vendor has no viable alternative (lock-in risk worth the savings).
- In-house solution requires specialized expertise the team doesn't have.

============================================================
PHASE 4: TECHNICAL DEBT AS FINANCIAL LIABILITY
============================================================

Translate technical debt into dollar amounts.

1. Identify debt items by reading the codebase for:
   - TODO/FIXME/HACK comments with adjacent code context.
   - Duplicated code patterns (copy-paste = maintenance multiplier).
   - Files with excessive complexity (>500 lines, deep nesting).
   - Missing tests on critical paths (risk of expensive production incidents).
   - Outdated dependencies (security vulnerability exposure = breach cost risk).
   - Manual processes that should be automated (operational cost).

2. For each debt category, estimate financial impact:

   | Debt Item | Type | Impact | Estimated Cost |
   |-----------|------|--------|---------------|
   | {description} | Velocity Tax | Slows every feature by ~{N}% | ${annual cost} |
   | {description} | Incident Risk | {probability} x {cost per incident} | ${expected annual cost} |
   | {description} | Rework Cost | Will require rewrite before {milestone} | ${rewrite cost} |
   | {description} | Opportunity Cost | Blocking feature {X} worth ${revenue} | ${revenue delay cost} |

3. Calculate total debt liability:
   - Velocity tax: if debt slows engineering by X%, that's X% of engineering payroll wasted.
   - Incident risk: probability-weighted cost of outages, data breaches, compliance failures.
   - Rework cost: known rewrites that will be needed before scaling.
   - Total debt liability: sum of all categories.

============================================================
PHASE 5: REVENUE SYSTEM READINESS
============================================================

Evaluate whether the codebase can actually collect money.

1. Payment processing:
   - Is Stripe/Paddle/Braintree integrated?
   - Are webhooks handled for failed payments, disputes, subscription changes?
   - Is there retry logic for failed charges?
   - Is PCI compliance handled (by the payment processor, not custom)?

2. Subscription management:
   - Can users upgrade, downgrade, cancel?
   - Is there proration logic?
   - Are plan changes reflected immediately in feature access?
   - Is there dunning (failed payment recovery) logic?

3. Enterprise readiness:
   - Can the system generate invoices?
   - Is there support for purchase orders / net terms?
   - Can billing be separated from usage (admin pays, team uses)?
   - Is there volume discount or custom pricing support?

4. Revenue reporting:
   - Is there MRR/ARR tracking?
   - Can you calculate churn, expansion, contraction revenue?
   - Is revenue data exportable for accounting?
   - Are there financial dashboards or API endpoints for revenue data?

Revenue readiness score:

| Capability | Status | Revenue at Risk |
|------------|--------|----------------|
| Accept payments | {Ready/Partial/Missing} | {impact} |
| Recurring billing | {Ready/Partial/Missing} | {impact} |
| Plan management | {Ready/Partial/Missing} | {impact} |
| Failed payment recovery | {Ready/Partial/Missing} | {impact} |
| Enterprise billing | {Ready/Partial/Missing} | {impact} |
| Revenue reporting | {Ready/Partial/Missing} | {impact} |

============================================================
PHASE 6: ENGINEERING BURN RATE EFFICIENCY
============================================================

Assess whether engineering spend is producing proportional value.

1. Codebase velocity indicators:
   - Ratio of feature code to infrastructure/glue code.
   - Ratio of test code to source code (under-tested = future rework cost).
   - Presence of CI/CD (automated = cheaper deployments).
   - Code duplication level (duplication = maintenance multiplier).

2. Rework indicators:
   - Count TODO/FIXME/HACK comments (each is deferred work).
   - Look for patterns suggesting rework: files with many small changes,
     feature flags for half-finished features, commented-out code.
   - Estimate: what percentage of recent work was rework vs new features?

3. Efficiency assessment:
   - Is the team building the right things? (features aligned with revenue)
   - Is the team building things right? (quality that avoids rework)
   - Are there automation opportunities? (manual testing, manual deploys, manual data tasks)

4. Engineering ROI:
   - Estimate: for every $1 spent on engineering, how much product value is created?
   - Identify the top 3 engineering investments that would improve this ratio.

============================================================
PHASE 7: COMPLIANCE & REGULATORY COST EXPOSURE
============================================================

Identify compliance requirements that affect the engineering budget.

1. Data handling assessment:
   - What user data is collected? (PII, financial, health, location)
   - Where is data stored? (geography, provider)
   - Is data encrypted at rest and in transit?
   - Is there a data retention/deletion policy?

2. Regulatory exposure:
   - GDPR: Does the app serve EU users? Is there right-to-delete, data export, consent management?
   - CCPA: Does the app serve California users? Similar requirements.
   - HIPAA: Does the app handle health data? (requires BAA, encryption, audit logs)
   - PCI DSS: Does the app handle payment cards directly? (should use Stripe/processor)
   - SOC 2: Would enterprise customers require this? What's the gap?

3. Compliance cost estimate:

   | Requirement | Current Status | Gap | Estimated Cost to Close |
   |-------------|---------------|-----|------------------------|
   | GDPR compliance | {status} | {gap} | ${estimate} |
   | SOC 2 Type II | {status} | {gap} | ${estimate} |
   | Data encryption | {status} | {gap} | ${estimate} |


============================================================
SELF-HEALING VALIDATION (max 2 iterations)
============================================================

After producing the review, validate completeness and consistency:

1. Verify all required output sections are present and non-empty.
2. Verify every finding references a specific file or code location.
3. Verify recommendations are actionable (not vague).
4. Verify severity ratings are justified by evidence.

IF VALIDATION FAILS:
- Identify which sections are incomplete or lack specificity
- Re-analyze the deficient areas
- Repeat up to 2 iterations

============================================================
OUTPUT
============================================================

## CFO Financial Impact Report

### Project: {project name}
### Review Date: {date}
### Stack: {summary}

---

### Executive Summary

{3-5 sentences framing the financial picture. Lead with the most material finding.
Use dollar amounts and percentages, not technical jargon.}

---

### Financial Dashboard

| Metric | Current | At 10x Scale | At 100x Scale |
|--------|---------|-------------|---------------|
| Monthly Infrastructure Cost | ${amount} | ${amount} | ${amount} |
| Cost Per User/Month | ${amount} | ${amount} | ${amount} |
| Estimated Gross Margin | {%} | {%} | {%} |
| Technical Debt Liability | ${amount} | -- | -- |
| Revenue System Readiness | {%} | -- | -- |
| Compliance Gap Cost | ${amount} | -- | -- |

---

### Cost Projection

{Table from Phase 1 with projections at 1K, 10K, 50K, 100K users}

### Unit Economics

- Cost to serve one user: ${amount}/month
- Revenue per user (at planned pricing): ${amount}/month
- Gross margin: {%}
- Breakeven user count: {N} users

### Build vs Buy Financial Impact

{Table from Phase 3 with recommendations}

### Technical Debt as Financial Liability

{Summary from Phase 4 with total liability estimate}

### Revenue Readiness Assessment

{Scorecard from Phase 5}

### Top Financial Risks

| # | Risk | Exposure | Probability | Expected Cost | Mitigation |
|---|------|----------|------------|---------------|------------|
| 1 | {risk} | ${amount} | {%} | ${expected} | {action} |

### Investment Recommendations (by ROI)

1. **{investment}** -- Cost: ${amount}, Expected return: ${amount}, Payback: {timeframe}
2. **{investment}** -- Cost: ${amount}, Expected return: ${amount}, Payback: {timeframe}
3. **{investment}** -- Cost: ${amount}, Expected return: ${amount}, Payback: {timeframe}

### Budget Allocation Recommendation

| Category | Current % | Recommended % | Rationale |
|----------|----------|--------------|-----------|
| New features | {%} | {%} | {why} |
| Technical debt | {%} | {%} | {why} |
| Infrastructure | {%} | {%} | {why} |
| Security/compliance | {%} | {%} | {why} |

---

DO NOT:
- Fabricate specific dollar amounts without basing them on observable code and known pricing.
- Ignore the business model context when evaluating costs.
- Treat all technical debt as equal -- prioritize by financial impact.
- Recommend gold-plating infrastructure before product-market fit is established.
- Overlook revenue system gaps -- the ability to collect money is a financial concern.
- Use technical jargon without translating to business impact.

NEXT STEPS:
- "Run `/cto-review` for the technical strategy perspective on these findings."
- "Run `/cost-analysis` for a detailed infrastructure cost breakdown by service."
- "Run `/sales-readiness` to assess enterprise revenue opportunities."
- "Run `/growth-audit` to evaluate customer acquisition and retention mechanics."
- "Run `/security-review` to deep-dive on the security risks identified."


============================================================
SELF-EVOLUTION TELEMETRY
============================================================

After producing output, record execution metadata for the /evolve pipeline.

Check if a project memory directory exists:
- Look for the project path in `~/.claude/projects/`
- If found, append to `skill-telemetry.md` in that memory directory

Entry format:
```
### /cfo-review — {{YYYY-MM-DD}}
- Outcome: {{SUCCESS | PARTIAL | FAILED}}
- Self-healed: {{yes — what was healed | no}}
- Iterations used: {{N}} / {{N max}}
- Bottleneck: {{phase that struggled or "none"}}
- Suggestion: {{one-line improvement idea for /evolve, or "none"}}
```

Only log if the memory directory exists. Skip silently if not found.
Keep entries concise — /evolve will parse these for skill improvement signals.

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