What is growth-loop-design?

A framework for designing and reviewing referrals, incentives, marketplaces, and network effects. A growth loop is a cycle where a useful result from one participant creates a qualified input for a later cycle.

Use it to assess referral programs, incentive systems, marketplaces, and network effects, including participant value, loop closure, economics, trust, risks, and the evidence needed next.

It helps distinguish a genuinely repeating growth mechanism from a diagram that merely looks circular or from activity that does not create lasting value.

growth-loop-design — Skill for Codex by krillinai/growth-skills

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 krillinai/growth-skills --skill growth-loop-design

Clone the repo

git clone --depth 1 https://github.com/krillinai/growth-skills

Made for: Codex.

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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/krillinai/growth-skills/growth-loop-design/github.svg)](https://agentmods.dev/skills/krillinai/growth-skills/growth-loop-design)

Your own site

<a href="https://agentmods.dev/skills/krillinai/growth-skills/growth-loop-design"><img src="https://agentmods.dev/badge/skills/krillinai/growth-skills/growth-loop-design/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.

Your own site · 80×15

<a href="https://agentmods.dev/skills/krillinai/growth-skills/growth-loop-design"><img src="https://agentmods.dev/badge/skills/krillinai/growth-skills/growth-loop-design.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 37 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 2,237 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. Third-party audits

NVIDIA SkillSpector pass 7 Sept 2026

How audits are shown

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.

Model	Per session	Once invoked
Fable 5.1	$0.00037	$0.02237
Opus 5.5	$0.00015	$0.00895
Sonnet 5.5	$0.00007	$0.00447
Haiku 4.5	$0.00004	$0.00224

Measured 2mo ago against content hash 6706d6d2e39a, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

growth-loop-design 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 2mo 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.

skills/growth-loop-design/SKILL.md · 115 lines

How it starts

The opening of the file, as written. The whole thing — 115 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Growth Loops & Network Effects

Reuse Growth Context

At the start, read .agents/growth-context.md when it exists. Reuse only product, customer, market, outcome, constraint, evidence, and routing fields whose scope, definition, source, and date remain compatible; state what is reused and surface conflicts or staleness before asking for decision-changing gaps. The file grants no system access or execution authority, and this Skill must not silently rewrite the primary diagnosis.

Integrated Capabilities

This Skill consolidates adjacent workflows behind one trigger. Use the main workflow for core requests. When a request matches a module below, read that module before executing it:

Determine whether a qualified output from one cycle creates a qualified input for a later cycle, where that mechanism weakens, and what evidence or design should come next. Do not call a funnel a loop because it is drawn as a circle, or treat gross sharing, revenue, content, or invitations as proof of retained growth.

Read loop-contract.md before mapping entities, value, evidence, identity, windows, economics, permissions, or a verdict. Read analysis-methods.md before calculating transitions, yield, cycle time, retained quality, saturation, or economics. Read diagnosis-and-design.md before naming a constraint or proposing a mechanism. Use playbook-sources.md to cite the pinned Growth Playbook basis.

Select One Mode

Mode	Use
`audit`	Determine whether an existing mechanism closes and identify its most decision-relevant weak transition
`design`	Define a new loop hypothesis after customer or system value, retained value, and the next useful input are explicit
`measurement`	Specify entities, events, cohorts, identity, windows, quality, economics, and instrumentation needed to evaluate a loop

Read the full file on GitHub · 115 lines

Files

What ships with it

29 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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.

2mo ago First seen · 115 lines · 37 tokens per session scan A 6706d6d2e39a

Subscribe to this mod's changes

growth-loop-design is a skill published in the GitHub repository krillinai/growth-skills (43 stars, last pushed 2mo ago), licensed MIT. It adds 37 tokens to every session and 2,237 once invoked, about $0.0001 per session on Opus 5.5. 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 2026-08-30.

Marketing and SEO

growth-loop-design next to 6 skills from other repositories
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