The 3 Claude Skills That Keep Your Business Finances Honest
Finance is the part of running a business that most founders deal with reactively. You send invoices when you need the money. You look at runway when someone asks you about it. You chase late payments when the delay starts to hurt.
The Finance pack has 3 skills. All three are about getting ahead of problems before they become urgent.
/invoice-writer
A lot of invoicing friction is self-inflicted. You finish a project, you know you need to send an invoice, and somehow it takes three days because you have to find the last template, update the numbers, calculate the tax, and make it look professional enough that the client takes it seriously.
/invoice-writer generates a clean, professional invoice from a quick brief — client name, services rendered, amounts, due date. It handles the totals and tax math so you're not doing it manually. The output is ready to send.
--recurring is for retainer clients where the invoice structure repeats each month. --overdue adds a late fee line and adjusts the language to reflect that this isn't the first time you've asked.
The faster you invoice, the faster you get paid. That sounds obvious but the gap between finishing work and sending the invoice is where cash flow problems quietly start.
/burn-rate-analysis
Runway is one of those numbers that founders either know precisely or have no idea about. There's rarely a middle ground. And when you don't know it, you make decisions — about hiring, spending, what to take on — without the context that would change them.
/burn-rate-analysis takes your monthly numbers and calculates burn rate, runway, and break-even. It shows you not just where you are but how much room you have to make decisions before something has to change.
--scenario runs multiple projections at once — what happens if revenue grows 20%, what happens if it stays flat, what happens if you add one more hire. --investor-mode formats the output the way investors actually want to see it, which matters when you're in a fundraising conversation and someone asks about your financials.
You should know your runway the same way you know your bank balance. This makes it take 5 minutes instead of a spreadsheet afternoon.
/payment-chaser
Chasing late payments is uncomfortable in a way that other business tasks aren't. There's a relationship involved, you don't want to seem desperate, and most people default to either waiting too long or sending something that comes across wrong and creates friction where there didn't need to be any.
/payment-chaser writes escalating payment reminder emails calibrated to how overdue the invoice actually is. A 5-day reminder sounds different from a 30-day one — and it should. The language, the tone, and the ask all adjust based on where you are in the timeline.
--schedule generates the full sequence upfront so you're not writing a new email each time the invoice ages. --mcp connects to your calendar and schedules the sends automatically if you're running it through an MCP-enabled setup.
Getting paid for work you already did shouldn't require drafting three emails from scratch. This removes the friction so you actually send them.
All three skills in the Finance pack are available to Skills Pack members. They ship as SKILL.md files — drop them into ~/.claude/skills/ and invoke with the slash command in Claude Code, Cursor, or Codex.
Next up: the Marketing pack — content calendars, social posts, email campaigns, and SEO briefs.