Summary
Instead of building yet another spreadsheet or eyeballing compound interest in your head, this skill runs the actual formulas for loans, NPV, retirement drawdowns, and investment projections. It wraps a Python script that handles the math deterministically, which matters when you're modeling scenarios where rounding and compounding order actually affect the answer. The workflow is sensible: nail down your assumptions (rates, time horizon, compounding frequency), run the calculation, and get back both the number and the assumptions that drove it. Good for when you need to show your work or compare scenarios side by side, not for personalized financial advice.
Install to Claude Code
npx -y skills add dkyazzentwatwa/chatgpt-skills --skill financial-calculator --agent claude-codeInstalls into .claude/skills of the current project.
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One time payment $9 →
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Files
SKILL.mdView on GitHub
Financial Calculator
Use deterministic calculations instead of ad hoc spreadsheet math when the user needs precise financial outputs.
Use This For
- Loan and mortgage math
- Investment growth and savings goals
- NPV, IRR, and payback analysis
- Retirement projections and withdrawal planning
- Monte Carlo style risk scenarios
Workflow
- Confirm units and assumptions first: rates, compounding, time horizon, taxes, and inflation.
- Use
scripts/financial_calc.pyas the source of truth for the computation. - Return both the answer and the assumptions that materially drive it.
Guardrails
- Treat outputs as calculations, not personalized financial advice.
- Surface simplifying assumptions and scenario sensitivity.
Featured
Keep your Mac awake while Claude Code and 40+ AI agents run. Sleeps when they're idle.
One time payment $9 →Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →On Capafy, your Skill runs online 24/7 as an agent product, and you get paid every time someone uses it.
Start earning →
