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.
npx skills add Gingiris-1031/gingiris-skills --skill viral-marketing-playbookgit clone --depth 1 https://github.com/Gingiris-1031/gingiris-skillsWrote 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.
[](https://agentmods.dev/skills/gingiris-1031/gingiris-skills/viral-marketing-playbook)<a href="https://agentmods.dev/skills/gingiris-1031/gingiris-skills/viral-marketing-playbook"><img src="https://agentmods.dev/badge/skills/gingiris-1031/gingiris-skills/viral-marketing-playbook/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.
<a href="https://agentmods.dev/skills/gingiris-1031/gingiris-skills/viral-marketing-playbook"><img src="https://agentmods.dev/badge/skills/gingiris-1031/gingiris-skills/viral-marketing-playbook.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00050 | $0.00774 |
| Opus 5 | $0.00025 | $0.00387 |
| Sonnet 5 | $0.00010 | $0.00155 |
| Haiku 4.5 | $0.00005 | $0.00077 |
Grade A, and why
viral-marketing-playbook 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 8d 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.
What it actually says
⚠️ 区分 B2B 与 2C
本 skill 默认偏 dev / 开源 / B2B SaaS。若产品是 2C 消费品 / 教育 / 应用 / 游戏：核心指标换成 D1/D7/D30 留存、激活率、病毒系数 K（非 MRR/CAC/LTV）；冷启动渠道换成垂类社区 / 短视频 / 垂直 KOL（非 PH/HN/LinkedIn）。完整 2C 适配指南 + 各国渠道公开数据见 → gingiris-seo-geo/references/2c-adaptation.md。
📦 Install
clawhub install viral-marketing-playbook
What you get after installing:
- Viral loop anatomy — mechanics behind referral, invite, and content loops
- K-factor math to calculate viral coefficient and model growth scenarios
- Real case studies from Dropbox, Notion, and Loom viral engines
Viral Loop Design — Referral, Invite & Share Mechanics
Products don't go viral by accident. This playbook teaches you to engineer virality.
- Viral loop anatomy: The mechanics behind referral, invite, and content loops
- K-factor math: Calculate your viral coefficient and model growth scenarios
- Incentive design: What to offer referrers and referred users (and what doesn't work)
- Share triggers: Moments in the user journey where sharing feels natural
- Case studies: How Dropbox, Notion, and Loom built their viral engines
Related Gingiris Skills
- Full version: https://clawhub.ai/gingiris-1031/skills/gingiris-launch
- All skills: https://clawhub.ai/gingiris-1031
- Follow: @WeiYipei on X
🔗 About the Author
Iris Wei — Growth consultant for 150+ AI startups. Ex-COO at AFFiNE (69K GitHub stars).
- 🐦 Twitter: @WeiYipei — Daily growth tactics
- 💬 Consulting: @Iris_carrot on Telegram
- 🛒 Premium Bundle (all 5 playbooks + templates): Get on Gumroad ($249)
- 📚 40+ Free Playbooks: gingiris.tools/skills
What ships with it
5 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.
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.
- 8d ago First seen · 70 lines · 50 tokens per session scan A d90ad5008fc5
viral-marketing-playbook is a skill published in the GitHub repository Gingiris-1031/gingiris-skills (79 stars, last pushed 7d ago), licensed MIT. It adds 50 tokens to every session and 774 once invoked, about $0.0003 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.
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