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Behavioral Product Design

  • 2k installs
  • 1.2k repo stars
  • Updated July 16, 2026
  • refoundai/lenny-skills

behavioral-product-design is an agent skill that Help users apply behavioral science to product design. Use when someone is designing for habit formation, reducing frict.

About

Help the user apply behavioral science principles to product design using insights from behavioral economists and product leaders When the user asks for help with behavioral design 1 Understand the target behavior Ask what action they want users to take 2 Identify behavioral barriers Help diagnose what s preventing the desired behavior 3 Suggest relevant principles Apply behavioral economics concepts like loss aversion present bias or status quo effect 4 Design interventions Help create features that leverage these psychological principles Loss aversion drives retention Jackson Shuttleworth Once you hit seven days loss aversion kicks in and you retain Design experiences that create something users feel they d lose by leaving Apply psychology to real problems Kristen Berman Behavioral science uses insights on psychology to apply within real world problems biases like present bias status quo effect and uncertainty aversion can be designed into product features to drive specific actions

  • description: Help users apply behavioral science to product design. Use when someone is designing for habit formation, r
  • Help the user apply behavioral science principles to product design using insights from behavioral economists and produc
  • When the user asks for help with behavioral design:
  • Follow behavioral-product-design SKILL.md steps and documented constraints.
  • Follow behavioral-product-design SKILL.md steps and documented constraints.

Behavioral Product Design by the numbers

  • 1,980 all-time installs (skills.sh)
  • +2 installs in the week ending Aug 5, 2026 (Skillselion tracking)
  • Ranked #621 of 16,546 AI & Agent Building skills by installs in the Skillselion catalog
  • Security screen: MEDIUM risk (skills.sh audit)
  • Data as of Aug 5, 2026 (Skillselion catalog sync)
At a glance

behavioral-product-design capabilities & compatibility

Capabilities
description: help users apply behavioral science · help the user apply behavioral science principle · when the user asks for help with behavioral desi · follow behavioral product design skill.md steps
Use cases
orchestration
From the docs

What behavioral-product-design says it does

description: Help users apply behavioral science to product design. Use when someone is designing for habit formation, reducing friction, applying psychology to UX, increasing retention through behavi
SKILL.md
Help the user apply behavioral science principles to product design using insights from behavioral economists and product leaders.
SKILL.md
When the user asks for help with behavioral design:
SKILL.md
npx skills add https://github.com/refoundai/lenny-skills --skill behavioral-product-design

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Show developers this skill is listed on Skillselion. Paste this into your README.

Listed on Skillselion
Installs2k
repo stars1.2k
Security audit3 / 3 scanners passed
Last updatedJuly 16, 2026
Repositoryrefoundai/lenny-skills

When should an agent use behavioral-product-design and what problem does it solve?

Help users apply behavioral science to product design. Use when someone is designing for habit formation, reducing friction, applying psychology to UX, increasing retention through behavioral principl

Who is it for?

Developers invoking behavioral-product-design as documented in the skill source.

Skip if: Skip when requirements fall outside behavioral-product-design documented scope.

When should I use this skill?

Help users apply behavioral science to product design. Use when someone is designing for habit formation, reducing friction, applying psychology to UX, increasing retention through behavioral principl

What you get

Outputs aligned with the behavioral-product-design SKILL.md workflow and stated deliverables.

  • behavioral design recommendations
  • barrier analysis

Files

SKILL.mdMarkdownGitHub ↗

Behavioral Product Design

Help the user apply behavioral science principles to product design using insights from behavioral economists and product leaders.

How to Help

When the user asks for help with behavioral design:

1. Understand the target behavior - Ask what action they want users to take 2. Identify behavioral barriers - Help diagnose what's preventing the desired behavior 3. Suggest relevant principles - Apply behavioral economics concepts like loss aversion, present bias, or status quo effect 4. Design interventions - Help create features that leverage these psychological principles

Core Principles

Loss aversion drives retention

Jackson Shuttleworth: "Once you hit seven days, loss aversion kicks in, and you retain." Design experiences that create something users feel they'd lose by leaving.

Apply psychology to real problems

Kristen Berman: "Behavioral science uses insights on psychology to apply within real world problems—biases like present bias, status quo effect, and uncertainty aversion can be designed into product features to drive specific actions."

Create pause moments

Use haptics, animations, and micro-interactions to create celebration moments that reinforce positive behavior. The "bend not break" philosophy means meeting users where they are rather than demanding perfection.

Reduce friction for desired behaviors

Every tap, every field, every decision point is friction. Behavioral design means ruthlessly removing friction from the paths you want users to take while adding appropriate friction to prevent mistakes.

Leverage defaults

Users tend to stick with default options. Set smart defaults that guide users toward successful outcomes.

Questions to Help Users

  • "What specific behavior are you trying to encourage?"
  • "What's preventing users from taking this action today?"
  • "Where in the flow do users drop off?"
  • "What would users feel they're losing if they stopped using this?"
  • "Have you identified the key habit loop (cue, routine, reward)?"

Common Mistakes to Flag

  • Dark patterns - Behavioral design should help users achieve their goals, not manipulate them against their interests
  • Over-engineering friction - Sometimes simple solutions beat clever psychological tricks
  • Ignoring context - Behavioral principles work differently across cultures and user segments
  • Assuming stated preferences - What users say they'll do and what they actually do are different

Deep Dive

For all 2 insights from 2 guests, see references/guest-insights.md

Related Skills

  • User Onboarding
  • Retention & Engagement
  • Designing Growth Loops
  • Conducting User Interviews

Related skills

FAQ

What is behavioral-product-design?

Help users apply behavioral science to product design. Use when someone is designing for habit formation, reducing friction, applying psychology to UX, increasing retention through

When should I use behavioral-product-design?

Help users apply behavioral science to product design. Use when someone is designing for habit formation, reducing friction, applying psychology to UX, increasing retention through

Is behavioral-product-design safe to install?

Review the Security Audits panel on this page before production use.

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