Design viral loops into your product
Viral Loop Design — Referral, Invite & Share Mechanics
Design viral loops into your product — referral programs, invite systems, and share mechanics that drive exponential growth. Includes K-factor calculations and real examples from Dropbox, Slack, and Notion.
--- name: viral-marketing-playbook description: | Design viral loops into your product — referral programs, invite systems, and share mechanics that drive exponential growth. Includes K-factor calculations and real examples from Dropbox, Slack, and Notion. By @WeiYipei. source: https://github.com/Gingiris-1031/gingiris-skills/tree/main/skills/viral-marketing-playbook tags: - viral-marketing - growth-hacking - word-of-mouth - referral-marketing - growth - user-acquisition - product-led-growth - saas - loops - claude-code - ai-agent-skill - agent-skill
Overview
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。
Manual install (npx, ZIP)
Claude Code
npx skills add Gingiris-1031/gingiris-skills --skill viral-marketing-playbook -g -a claude-codeClaude Code (manual)
mkdir -p ~/.claude/skills && curl -sL https://codeload.github.com/Gingiris-1031/gingiris-skills/tar.gz/5d40bc8f4094 \
| tar -xz -C ~/.claude/skills --strip-components=2 gingiris-skills-5d40bc8f4094/skills/viral-marketing-playbookWindows (PowerShell)
New-Item -ItemType Directory -Force "$HOME\.claude\skills" | Out-Null; Invoke-WebRequest "https://m.agentalley.io/zip/eab233b163f84e64e908/viral-marketing-playbook.zip" -OutFile "$env:TEMP\viral-marketing-playbook.zip"; Expand-Archive "$env:TEMP\viral-marketing-playbook.zip" -DestinationPath "$HOME\.claude\skills" -ForceClaude.ai / desktop
Codex, Cursor, other agents
Connects with Agent Alley MCP · agentalley.io/mcp
Files included
SKILL.md2.7 KB_meta.json143 B.clawhub/1 file · 156 Breferences/3 files · 6.9 KB
Read the files here
Gingiris-1031/
Shared references1SKILL.md reads these from elsewhere in the repo. Not in the ZIP.
Get them on GitHub ↗SKILL.md
Show the full text70 lines
⚠️ 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
| 1 | |
| 2 | name viral-marketing-playbook |
| 3 | description | |
| 4 | Design viral loops into your product — referral programs, invite systems, and share mechanics that drive exponential growth. Includes K-factor calculations and real examples from Dropbox, Slack, and Notion. By @WeiYipei. |
| 5 | source https://github.com/Gingiris-1031/gingiris-skills/tree/main/skills/viral-marketing-playbook |
| 6 | tags |
| 7 | - viral-marketing |
| 8 | - growth-hacking |
| 9 | - word-of-mouth |
| 10 | - referral-marketing |
| 11 | - growth |
| 12 | - user-acquisition |
| 13 | - product-led-growth |
| 14 | - saas |
| 15 | - loops |
| 16 | - claude-code |
| 17 | - ai-agent-skill |
| 18 | - agent-skill |
| 19 | - latest |
| 20 | |
| 21 | |
| 22 | ## ⚠️ 区分 B2B 与 2C |
| 23 | |
| 24 | 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`。 |
| 25 | |
| 26 | |
| 27 | |
| 28 | ## 📦 Install |
| 29 | |
| 30 | |
| 31 | clawhub install viral-marketing-playbook |
| 32 | |
| 33 | |
| 34 | **What you get after installing:** |
| 35 | Viral loop anatomy — mechanics behind referral, invite, and content loops |
| 36 | K-factor math to calculate viral coefficient and model growth scenarios |
| 37 | Real case studies from Dropbox, Notion, and Loom viral engines |
| 38 | |
| 39 | |
| 40 | |
| 41 | # Viral Loop Design — Referral, Invite & Share Mechanics |
| 42 | |
| 43 | > 🌍 **Language / 语言**: [中文] | [English] | [日本語] | [한국어] |
| 44 | |
| 45 | Products don't go viral by accident. This playbook teaches you to engineer virality. |
| 46 | |
| 47 | **Viral loop anatomy**: The mechanics behind referral, invite, and content loops |
| 48 | **K-factor math**: Calculate your viral coefficient and model growth scenarios |
| 49 | **Incentive design**: What to offer referrers and referred users (and what doesn't work) |
| 50 | **Share triggers**: Moments in the user journey where sharing feels natural |
| 51 | **Case studies**: How Dropbox, Notion, and Loom built their viral engines |
| 52 | |
| 53 | ## Related Gingiris Skills |
| 54 | Full version: https://clawhub.ai/gingiris-1031/skills/gingiris-launch |
| 55 | All skills: https://clawhub.ai/gingiris-1031 |
| 56 | Follow: [@WeiYipei on X] |
| 57 | |
| 58 | |
| 59 | |
| 60 | |
| 61 | ## 🔗 About the Author |
| 62 | |
| 63 | **Iris Wei** — Growth consultant for 150+ AI startups. Ex-COO at AFFiNE (69K GitHub stars). |
| 64 | |
| 65 | 🐦 Twitter: [@WeiYipei] — Daily growth tactics |
| 66 | 💬 Consulting: [@Iris_carrot on Telegram] |
| 67 | 🛒 Premium Bundle (all 5 playbooks + templates): [Get on Gumroad ($249)] |
| 68 | 📚 40+ Free Playbooks: [gingiris.tools/skills] |
| 69 | |
| 70 |
Details
- Updated
- Sep 20, 2026
- License
- MIT
- Stars on the repo
- ★ 82
- Checked
- Source
- Gingiris-1031/gingiris-skills ↗
- Creator
- Gingiris-1031 · 26 listings
Similar skills
See all →
SkillReverse engineer native, managed, Electron/JavaScriptREA
morluto/rea · by morlutoReverse engineer native, managed, Electron/JavaScript, packaged, firmware, and browser targets with REA. Use shipped-artifact or requested runtime evidence to explain features, compare versions, decompile code, or guide a reconstruction. Skip REA for ordinary source-repository architecture analysis.★ 316k GitHub stars
SkillBrainstorms ideas into designs before any creative workBrainstorming Ideas Into Designs
obra/superpowers · by obraYou MUST use this before any creative work - creating features, building components, adding functionality, or modifying behavior. Explores user intent, requirements and design before implementation.★ 290k GitHub stars
SkillRequires technical rigor and verificationCode Review Receptionobra/superpowers · by obraUse when receiving code review feedback, before implementing suggestions, especially if feedback seems unclear or technically questionable - requires technical rigor and verification, not performative agreement or blind implementation★ 290k GitHub stars
SkillDiagnosis loop for hard bugs and performance regressionsDiagnosing bugs
mattpocock/skills · by mattpocockDiagnosis loop for hard bugs and performance regressions. Use when the user says "diagnose"/"debug this", or reports something broken/throwing/failing/slow.★ 267k GitHub stars
SkillImplement the result of /to-spec and /to-tickets in codeImplement specmattpocock/skills · by mattpocockImplement the result of /to-spec and /to-tickets in code.★ 267k GitHub stars
SkillWriting a PR bodymattpocock/skills · by mattpocockUse when writing a PR body.★ 267k GitHub starsMore from Gingiris-1031
SkillLaunch your AI product to global attentionAI Product Launch Playbook
Gingiris-1031/gingiris-skills · by Gingiris-1031Launch your AI product to global attention — the playbook behind Manus, Devin, and AFFiNE's breakout launches. Covers AI-specific GTM strategy, hype cycle management, waitlist tactics, and multi-market rollout for maximum day-one impact.★ 82 GitHub stars
SkillBeginner-friendly App Store Optimization guide coveringApp Store Optimization Basics — Keywords, Screenshots & RatingsGingiris-1031/gingiris-skills · by Gingiris-1031Beginner-friendly App Store Optimization guide covering keyword research, screenshot design, rating management, and A/B testing for iOS and Android. By @WeiYipei — practical ASO for indie developers and small teams.★ 82 GitHub stars
SkillComplete B2B marketing pipeline combining LinkedIn contentB2B Marketing Playbook — LinkedIn + Cold Email + Webinar PipelineGingiris-1031/gingiris-skills · by Gingiris-1031Complete B2B marketing pipeline combining LinkedIn content, cold email sequences, and webinar funnels. Designed for SaaS founders doing $0–$1M ARR who need predictable lead generation. By @WeiYipei.★ 82 GitHub stars
SkillBuild and grow developer and user communities from scratchCommunity Building Playbook — Developer & User Community GrowthGingiris-1031/gingiris-skills · by Gingiris-1031Build and grow developer and user communities from scratch — covering ambassador programs, community-led growth (CLG), event operations, content strategy, and health metrics. Grounded in real playbooks from Notion, Lovable, AFFiNE, ClickUp, Asana, and Lark. Use when: building a community for an open-source project, SaaS product, or brand; recruiting and managing ambassadors or community leaders; planning community events (online/offline meetups, AMAs, hackathons); designing ambassador tier/points systems; setting community health KPIs; launching a Build-in-Public strategy; setting up Discord, Slack, or Lark communities; running developer relations (DevRel); or when the user asks about community operations, ambassador programs, CLG, user advocacy, KOC/KOL cultivation, UGC flywheels, community monetization, or any variation of "how do I grow my community".★ 82 GitHub stars
SkillComplete developer marketing playbook covering DevRelDeveloper Marketing Playbook — DevRel, Docs & Community FunnelsGingiris-1031/gingiris-skills · by Gingiris-1031Complete developer marketing playbook covering DevRel programs, documentation as marketing, API developer experience, community building, and hackathon strategy. For dev-tool founders who need to reach engineers. Follow @WeiYipei on X.★ 82 GitHub stars
SkillBuild and measure Developer Relations programsDevRel Playbook — Developer Activation, Community and RevenueGingiris-1031/gingiris-skills · by Gingiris-1031Build and measure Developer Relations programs across documentation, community, technical content, integrations, events and developer advocacy. Use when designing DevRel strategy, improving developer activation, launching an API/SDK, evaluating sponsorships, or connecting community activity to product adoption and revenue.★ 82 GitHub stars