Fpa cash runway

Skill JeffBrines/openfpa/skills/fpa-cash-runway

The FP&A toolbelt for AI coding agents. Claude Code or Codex does the thinking; openfpa gives it a tested finance kernel, durable company memory, and a Karpathy inspired research loop that improves forecasts against your actuals. By Guiderail and Jeff Brines.

Install

npx -y skills add JeffBrines/openfpa --skill fpa-cash-runway

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Use when answering "when do we run out of cash", building a 13-week cash forecast, sizing a credit line, or analyzing near-term liquidity and payment timing in openfpa.

SKILL.md

2.2 KB, as published. Nobody here has run it

Cash Runway (Operate)

Overview

Build the 13-week direct-method cash forecast - the operator's near-term liquidity view. Schedule the known weekly receipts and disbursements, show the raw cash position (no automatic LOC draws), and report the trough and first negative week.

Core principle: Show the unfinanced position. A visible shortfall is the whole point - it sizes the credit line.

When to use

"When do we run out of money?" / runway questions
Sizing or stress-testing a working-capital line
Lumpy near-term cash events (inventory buys, tax, payroll cadence)

Workflow

Discover the company command. Run openfpa entrypoint-list <company-root> --kind cash. Use the registered cash workflow when one exists.
Build the schedule as a Cash13Config: opening_cash, weeks (default 13), and receipts/disbursements lists of WeeklyFlow(name, amount, start_week, recurrence). Recurrence is once, weekly, or biweekly. Model what you actually know: AR collections on their expected weeks, payroll on its cadence, inventory POs on their due dates, quarterly tax.

Forecast:

import pyfpa
from pyfpa.io.loaders import load_cash13_config
weekly = pyfpa.cash13_forecast(load_cash13_config("examples/ridgeline/cash13.yaml"))
runway = pyfpa.runway_summary(weekly)
# {'min_cash': -146000.0, 'min_week': 7, 'first_negative_week': 3}

Interpret (see fpa-cfo-judgment): a negative min_cash means "needs a draw of at least this much," not "insolvent." first_negative_week is the deadline to act. Size the credit line to the trough plus a buffer.
Report: trough amount + week, first-negative week, and the recommended line size / action.

Common mistakes

Smoothing monthly numbers into weeks instead of scheduling the real lumpy items - the lumps are the signal.
Auto-covering the shortfall with a draw and hiding the gap. Don't; show it.

Feed runway into fpa-board-briefing for the writeup.