incomestreamsurfer/product-management-skill

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Claude Code Agent Skill: Hooked framework for building habit-forming products (based on Nir Eyal)

Overview

"The best product doesn't win. The product that captures the monopoly of the mind wins." This is a that gives your AI agent deep product management knowledge based on the framework by Nir Eyal. - against the Hook Model (Trigger → Action → Variable Reward → Investment) - — dead ends, missing triggers, predictable rewards, invisible sunk costs - — onboarding flows, gamification, notifications, re-engagement - using BJ Fogg's Behavior Model (6 factors of ability) - with the 5 Fundamental Questions Or manually copy SKILL.md into your .claude/skills/ directory.

README

What This Does

This is a Claude Code Agent Skill that gives your AI agent deep product management knowledge based on the Hooked framework by Nir Eyal.

When activated, your AI agent will:

Audit features against the Hook Model (Trigger → Action → Variable Reward → Investment)
Identify retention gaps — dead ends, missing triggers, predictable rewards, invisible sunk costs
Design engagement loops — onboarding flows, gamification, notifications, re-engagement
Reduce friction using BJ Fogg’s Behavior Model (6 factors of ability)
Evaluate every feature with the 5 Fundamental Questions

Install

claude install-skill https://github.com/IncomeStreamSurfer/product-management-skill

Or manually copy SKILL.md into your .claude/skills/ directory.

The Hook Model

Every habit-forming product runs this cycle:

Trigger → Action → Variable Reward → Investment
   ↑                                      |
   └──────────────────────────────────────┘

Step	Question	Example
Trigger	What emotion or cue brings them back?	Uncertainty → Google, Boredom → YouTube
Action	What’s the easiest thing they can do?	Scroll a feed, type a search, tap play
Variable Reward	Does it satisfy AND leave them wanting more?	Feed content varies, search results surprise
Investment	What makes the product better with use?	Data, content, followers, reputation

Three Types of Variable Rewards

Type	Source	Examples
🏛️ Tribe	Other people	Likes, comments, social validation
🏹 Hunt	Resources & information	Feeds, search results, discovery
🏆 Self	Mastery & completion	Levels, streaks, achievements

When To Use

Activate this skill when you’re working on:

Onboarding flows & first-run experiences
Gamification systems (XP, streaks, badges, challenges)
Notification & email strategies
Engagement loops & retention mechanics
Pricing & conversion flows
Feature prioritization for retention impact
Product audits & teardowns

Feature Design Checklist

Before shipping any engagement feature, the agent will evaluate:

[ ] Does this reduce friction rather than just adding motivation?
[ ] Is there a variable reward component, or is the outcome predictable?
[ ] Does this create stored value that makes the product stickier?
[ ] Does this load the next trigger to bring the user back?
[ ] Does this address a real internal trigger the user experiences frequently?
[ ] Will this behavior occur at least weekly?

Example Usage

You: Audit my SaaS dashboard for retention issues

Agent (with skill active): Let me evaluate your dashboard against the Hook Model...

→ TRIGGER: Your lifecycle emails stop after 14 days — nothing brings users back after that
→ ACTION: Article generation requires 6 form fields — reduce to 1-click from presets
→ VARIABLE REWARD: All XP gains are fixed at 5 per action — add random bonus chance
→ INVESTMENT: Users can't see total articles written — sunk cost is invisible

View this README on GitHub

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Install

npx skillfish add incomestreamsurfer/product-management-skill