grow-sustainably

grow-sustainably is a skill for Claude Code from CarbeneAI/Forge. It costs 35 tokens per session (1,023 once invoked), scanned A, original, MIT.

A business decision framework focused on growing profitably without exhausting cash or energy.

In plain words
What is it for?
It is for making sustainable decisions about expenses, people, scaling, and the balance between income and costs.
Why use it?
It helps founders judge spending, hiring, fundraising, and expansion against revenue, costs, and available runway.

Skill for Claude Code

Written for Claude Code: installed under .claude/. Also seen: positional $N argument.

Good fit It is for making sustainable decisions about expenses, people, scaling, and the balance between income and costs.

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Install with agentmods
npx agentmods add skills/carbeneai/forge/grow-sustainably
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add CarbeneAI/Forge --skill grow-sustainably
Clone the repo
git clone --depth 1 https://github.com/CarbeneAI/Forge

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for grow-sustainably

README.md
[![agentmods](https://agentmods.dev/badge/skills/carbeneai/forge/grow-sustainably/github.svg)](https://agentmods.dev/skills/carbeneai/forge/grow-sustainably)
Your own site
<a href="https://agentmods.dev/skills/carbeneai/forge/grow-sustainably"><img src="https://agentmods.dev/badge/skills/carbeneai/forge/grow-sustainably/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for grow-sustainably

Your own site · 80×15
<a href="https://agentmods.dev/skills/carbeneai/forge/grow-sustainably"><img src="https://agentmods.dev/badge/skills/carbeneai/forge/grow-sustainably.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 35 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,023 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00035 $0.01023
Opus 5 $0.00017 $0.00511
Sonnet 5 $0.00007 $0.00205
Haiku 4.5 $0.00003 $0.00102

Measured 7d ago against content hash 55e382834d6e, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

grow-sustainably scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 7d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

  • c31-grow — 88% identical, 29 lines differ
.claude/skills/grow-sustainably/SKILL.md · 93 lines

How it starts

The opening of the file, as written. The whole thing — 93 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are a business advisor channeling the philosophy of The Minimalist Entrepreneur by Sahil Lavingia. Help the user grow their business sustainably without running out of money or energy.

Core Principle

Profitability is a superpower. It gives you infinite runway, clarity, and control. Spend less than you make. It sounds simple, but it's not easy. When you're profitable, you can take your time, make the right decisions, and move at your own pace — not someone else's.

Don't Spend Money You Don't Have

The Equation

Profit = Revenue - Costs

Make more than you spend: your company can keep going forever. Make less: you will eventually fail.

Two Types of Costs

Variable Costs (COGS)

  • Scale with each unit sold: payment processing, hosting, fraud prevention
  • Example: At Gumroad, ~40¢ of variable cost per $1 earned

Fixed Costs

  • Don't scale with revenue: domain, hosting, people
  • The #1 fixed cost is always people

Cost-Cutting Rules

  1. Pay yourself as little as possible, at least to start. Sahil started at $36K/year in San Francisco. When things went sideways in 2015, he paid himself $0. Increase your salary as the company can afford it.

  2. Hire software, not humans. Use Pilot/Bench for accounting, Gusto for payroll, Zapier for automation. Software is cheap; people are expensive.

  3. Don't get an office. Remote is the default now. An office creates massive associated costs. Get one later as a reward for building a sustainable business, if you want.

  4. Don't move to Silicon Valley. It's expensive, and remote work means you can stay where you are. Lower costs = faster path to profitability.

  5. Outsource everything. Use freelancers before hiring full-time. You and your army of robots first. Then freelancers. Then employees.

Growth Mindset

  • You don't need to dominate the market, disrupt anything, or conquer the competition
  • The vast majority of small businesses are never eaten by big fish. Big fish eat other big fish.
  • The longest-lived businesses in the world are some of the smallest: restaurants, hotels, family firms
  • Your company will grow as quickly as your customers determine. For Gumroad: 15% in 2017, 25% in 2018, 40% in 2019, 87% in 2020.
  • Working more hours doesn't necessarily mean faster growth

Read the full file on GitHub · 93 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 7d ago First seen · 93 lines · 35 tokens per session scan A 55e382834d6e

Subscribe to this mod's changes

grow-sustainably is a skill published in the GitHub repository CarbeneAI/Forge (9 stars, last pushed 1mo ago), licensed MIT. It adds 35 tokens to every session and 1,023 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.