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Creating Financial Models

financevaluationpythonmodelingsimulation
β˜… 4.8 (231)⭐ 45.5kπŸ“„ MITπŸ•’ 2026-06-09βœ“ OfficialSource β†—

Install this skill

npx skills add anthropics/claude-cookbooks

Works across Claude Code, Cursor, Codex, Copilot & Antigravity

What this skill does

  • β€’Build multi-scenario Discounted Cash Flow (DCF) engines
  • β€’Execute Monte Carlo simulations for valuation uncertainty
  • β€’Perform sensitivity testing with variable range impact analysis
  • β€’Generate probability-weighted scenario planning
  • β€’Calculate enterprise and equity valuation metrics

When to use it

  • βœ“When evaluating potential acquisitions or M&A synergies
  • βœ“When you need to quantify risk using probability distributions
  • βœ“When testing how WACC or growth fluctuations impact company valuation
  • βœ“When building project finance models for infrastructure or real estate

When not to use it

  • βœ•For day-to-day accounting or bookkeeping tasks
  • βœ•For high-frequency trading or real-time market data analysis
  • βœ•When you require a simple spreadsheet interface instead of programmatic modeling

How to invoke it

Example prompts that trigger this skill:

  • β€œBuild a DCF model for this startup using these financial projections.”
  • β€œRun a Monte Carlo simulation with 5,000 iterations on this LBO model.”
  • β€œCreate a sensitivity analysis table for WACC and revenue growth.”
  • β€œDevelop three growth scenarios with specific probability weightings.”
  • β€œIdentify critical value drivers for this expansion project.”

Example workflow

  1. Define your revenue growth and margin assumptions in a structured input format.
  2. Use dcf_model.py to generate the base case valuation and cash flow projections.
  3. Define variable ranges for key metrics like discount rates and exit multiples.
  4. Run sensitivity_analysis.py to identify which inputs impact valuation most significantly.
  5. Configure a Monte Carlo simulation to estimate a 95% confidence interval for the project value.
  6. Export the summary findings and probability-weighted outcomes for final review.

Prerequisites

  • –Python 3.x environment
  • –Basic knowledge of DCF and corporate finance principles
  • –Historical financial datasets for your subject company

Pitfalls & limitations

  • !Models are highly dependent on the quality of initial assumptions.
  • !Simulation results do not account for black-swan events or extreme market shifts.
  • !Requires manual validation of balance sheet and cash flow logic before interpreting output.

FAQ

Can this tool replace a financial analyst?
No, it automates the calculation and structural components but relies on your professional judgment to set reasonable assumptions and interpret outcomes.
How many iterations should I run for Monte Carlo simulations?
Typically, 1,000 to 10,000 iterations are sufficient to get a stable statistical distribution, depending on the complexity of your variables.
Does this support multi-currency modeling?
The current scripts focus on core valuation methodologies; additional logic for currency conversion and exchange rate risk would need to be added manually.

How it compares

Unlike general-purpose LLM prompting that might hallucinate financial arithmetic, this tool uses explicit Python logic to maintain accounting consistency and rigorous statistical validation.

Source & trust

⭐ 46k starsπŸ“„ MITπŸ•’ Updated 2026-06-09πŸ›‘ no risky patterns foundβœ“ Official source

From the source: β€œ# Financial Modeling Suite A comprehensive financial modeling toolkit for investment analysis, valuation, and risk assessment using industry-standard methodologies. ## Core Capabilities ### 1. Discounted Cash Flow (DCF) Analysis - Build complete DCF models with multiple growth scenarios - Calculate …”

View the full SKILL.md source
# Financial Modeling Suite

A comprehensive financial modeling toolkit for investment analysis, valuation, and risk assessment using industry-standard methodologies.

## Core Capabilities

### 1. Discounted Cash Flow (DCF) Analysis
- Build complete DCF models with multiple growth scenarios
- Calculate terminal values using perpetuity growth and exit multiple methods
- Determine weighted average cost of capital (WACC)
- Generate enterprise and equity valuations

### 2. Sensitivity Analysis
- Test key assumptions impact on valuation
- Create data tables for multiple variables
- Generate tornado charts for sensitivity ranking
- Identify critical value drivers

### 3. Monte Carlo Simulation
- Run thousands of scenarios with probability distributions
- Model uncertainty in key inputs
- Generate confidence intervals for valuations
- Calculate probability of achieving targets

### 4. Scenario Planning
- Build best/base/worst case scenarios
- Model different economic environments
- Test strategic alternatives
- Compare outcome probabilities

## Input Requirements

### For DCF Analysis
- Historical financial statements (3-5 years)
- Revenue growth assumptions
- Operating margin projections
- Capital expenditure forecasts
- Working capital requirements
- Terminal growth rate or exit multiple
- Discount rate components (risk-free rate, beta, market premium)

### For Sensitivity Analysis
- Base case model
- Variable ranges to test
- Key metrics to track

### For Monte Carlo Simulation
- Probability distributions for uncertain variables
- Correlation assumptions between variables
- Number of iterations (typically 1,000-10,000)

### For Scenario Planning
- Scenario definitions and assumptions
- Probability weights for scenarios
- Key performance indicators to track

## Output Formats

### DCF Model Output
- Complete financial projections
- Free cash flow calculations
- Terminal value computation
- Enterprise and equity value summary
- Valuation multiples implied
- Excel workbook with full model

### Sensitivity Analysis Output
- Sensitivity tables showing value ranges
- Tornado chart of key drivers
- Break-even analysis
- Charts showing relationships

### Monte Carlo Output
- Probability distribution of valuations
- Confidence intervals (e.g., 90%, 95%)
- Statistical summary (mean, median, std dev)
- Risk metrics (VaR, probability of loss)

### Scenario Planning Output
- Scenario comparison table
- Probability-weighted expected values
- Decision tree visualization
- Risk-return profiles

## Model Types Supported

1. **Corporate Valuation**
   - Mature companies with stable cash flows
   - Growth companies with J-curve projections
   - Turnaround situations

2. **Project Finance**
   - Infrastructure projects
   - Real estate developments
   - Energy projects

3. **M&A Analysis**
   - Acquisition valuations
   - Synergy modeling
   - Accretion/dilution analysis

4. **LBO Models**
   - Leveraged buyout analysis
   - Returns analysis (IRR, MOIC)
   - Debt capacity assessment

## Best Practices Applied

### Modeling Standards
- Consistent formatting and structure
- Clear assumption documentation
- Separation of inputs, calculations, outputs
- Error checking and validation
- Version control and change tracking

### Valuation Principles
- Use multiple valuation methods for triangulation
- Apply appropriate risk adjustments
- Consider market comparables
- Validate against trading multiples
- Document key assumptions clearly

### Risk Management
- Identify and quantify key risks
- Use probability-weighted scenarios
- Stress test extreme cases
- Consider correlation effects
- Provide confidence intervals

## Example Usage

"Build a DCF model for this technology company using the attached financials"

"Run a Monte Carlo simulation on this acquisition model with 5,000 iterations"

"Create sensitivity analysis showing impact of growth rate and WACC on valuation"

"Develop three scenarios for this expansion project with probability weights"

## Scripts Included

- `dcf_model.py`: Complete DCF valuation engine
- `sensitivity_analysis.py`: Sensitivity testing framework

## Limitations and Disclaimers

- Models are only as good as their assumptions
- Past performance doesn't guarantee future results
- Market conditions can change rapidly
- Regulatory and tax changes may impact results
- Professional judgment required for interpretation
- Not a substitute for professional financial advice

## Quality Checks

The model automatically performs:
1. Balance sheet balancing checks
2. Cash flow reconciliation
3. Circular reference resolution
4. Sensitivity bound checking
5. Statistical validation of Monte Carlo results

## Updates and Maintenance

- Models use latest financial theory and practices
- Regular updates for market parameter defaults
- Incorporation of regulatory changes
- Continuous improvement based on usage patterns

Quoted from anthropics/claude-cookbooks for reference β€” see the original for the authoritative, latest version.

πŸ“„ Full skill instructions β€” original source: anthropics/claude-cookbooks
The creating-financial-models skill provides a specialized Python framework for quantitative financial analysis. It enables developers and analysts to build rigorous valuation structures, including Discounted Cash Flow (DCF) models, sensitivity testing, and Monte Carlo simulations. By automating the mechanical aspects of financial projection, such as terminal value calculations and probability distributions, it allows users to focus on input assumptions and strategic decision-making. This toolset is particularly useful for assessing investments, evaluating corporate acquisitions, or modeling long-term project finance. Rather than relying on static spreadsheets, this programmatic approach ensures that financial logic is consistent, reproducible, and auditable. It is intended for users who need to bridge the gap between raw data and actionable investment insights through structured, simulation-based modeling.

How to Use This Skill Unit

Option A: Project-Specific (Recommended)

  1. Click "Download" above
  2. In your project, create the directory: .agent/skills/creating-financial-models/
  3. Save the file as SKILL.md
  4. The agent will automatically discover the skill based on its description.

Option B: Global Installation (All Agents)

Save the file to these locations to make it available across all projects:

  • Claude Code: ~/.claude/skills/anthropics/claude-cookbooks/creating-financial-models/SKILL.md
  • Cursor: ~/.cursor/skills/anthropics/claude-cookbooks/creating-financial-models/SKILL.md
  • Antigravity: ~/.gemini/antigravity/skills/anthropics/claude-cookbooks/creating-financial-models/SKILL.md

πŸš€ Install with CLI:
npx skills add anthropics/claude-cookbooks

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How to use this Skill in Claude Code & Cursor

For Claude Code (CLI)

To use this skill in Claude Code, copy the rule content into your project's custom instructions or follow our Add-Skill CLI guide. This ensures Claude follows your standards during every code generation.

For Cursor & Windsurf

For Cursor or Windsurf, individual skills are best used in the "Rules for AI" section. This specific unit helps the agent avoid python development issues, leading to cleaner, more efficient code.

Why the skill format matters: the standardized Agent Skills format lets your AI agent load detailed instructions only when they are relevant, keeping your prompt clean while improving results.

Source & attribution

This skill is categorized under Python Development and is published by anthropics, maintained in anthropics/claude-cookbooks.

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