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// Claude Skills

skills

Agent skills for Claude, Claude Code, Claude Cowork, Codex, Cursor, OpenClaw, Hermes Agent and other agentskills.io-compatible agents. See https://developert…

// install
git clone https://github.com/wondelai/skills

Wondel.ai Skills

Agent skills for Claude, Claude Code, Claude Cowork, Codex, Cursor, OpenClaw, Hermes Agent and other agentskills.io-compatible agents. Browse all skills at skills.wondel.ai.

Installation

Via Claude Code Plugin Marketplace

# Add the marketplace
/plugin marketplace add wondelai/skills

# Install plugin collections
/plugin install product-strategy@wondelai-skills      # Jobs to Be Done, Negotiation, Mom Test
/plugin install ux-design@wondelai-skills             # Refactoring UI, iOS HIG, UX Heuristics, Hooked, Improve Retention, Web Typography, Top Design, Design of Everyday Things, Lean UX, Microinteractions, Steve Jobs Design Review
/plugin install marketing-cro@wondelai-skills         # CRO Methodology, StoryBrand, Scorecard Marketing, Contagious, 1-Page Marketing
/plugin install sales-influence@wondelai-skills       # Influence Psychology, Predictable Revenue, Made to Stick, $100M Offers
/plugin install product-innovation@wondelai-skills    # Lean Startup, Design Sprint, Design of Everyday Things, Inspired, Continuous Discovery, 37signals Way
/plugin install strategy-growth@wondelai-skills       # Crossing the Chasm, Blue Ocean Strategy, Traction/EOS, Obviously Awesome
/plugin install team-motivation@wondelai-skills       # Drive (Autonomy, Mastery, Purpose)
/plugin install code-craftsmanship@wondelai-skills    # Clean Code, Refactoring Patterns, Software Design Philosophy, Pragmatic Programmer, DDD
/plugin install systems-architecture@wondelai-skills  # DDIA, System Design, Clean Architecture, Release It!, High Performance Browser Networking

Via skills.sh

Install via skills.sh:

# Install all skills
npx skills add wondelai/skills --all --global

# Or install individual skills
npx skills add wondelai/skills/jobs-to-be-done --global
npx skills add wondelai/skills/cro-methodology --global
npx skills add wondelai/skills/refactoring-ui --global
npx skills add wondelai/skills/ios-hig-design --global
npx skills add wondelai/skills/scorecard-marketing --global
npx skills add wondelai/skills/storybrand-messaging --global
npx skills add wondelai/skills/hooked-ux --global
npx skills add wondelai/skills/improve-retention --global
npx skills add wondelai/skills/ux-heuristics --global
npx skills add wondelai/skills/web-typography --global
npx skills add wondelai/skills/top-design --global
npx skills add wondelai/skills/negotiation --global
npx skills add wondelai/skills/influence-psychology --global
npx skills add wondelai/skills/lean-startup --global
npx skills add wondelai/skills/design-sprint --global
npx skills add wondelai/skills/crossing-the-chasm --global
npx skills add wondelai/skills/blue-ocean-strategy --global
npx skills add wondelai/skills/traction-eos --global
npx skills add wondelai/skills/design-everyday-things --global
npx skills add wondelai/skills/predictable-revenue --global
npx skills add wondelai/skills/made-to-stick --global
npx skills add wondelai/skills/drive-motivation --global
npx skills add wondelai/skills/hundred-million-offers --global
npx skills add wondelai/skills/obviously-awesome --global
npx skills add wondelai/skills/contagious --global
npx skills add wondelai/skills/one-page-marketing --global
npx skills add wondelai/skills/mom-test --global
npx skills add wondelai/skills/inspired-product --global
npx skills add wondelai/skills/lean-ux --global
npx skills add wondelai/skills/continuous-discovery --global
npx skills add wondelai/skills/microinteractions --global
npx skills add wondelai/skills/clean-code --global
npx skills add wondelai/skills/refactoring-patterns --global
npx skills add wondelai/skills/software-design-philosophy --global
npx skills add wondelai/skills/pragmatic-programmer --global
npx skills add wondelai/skills/domain-driven-design --global
npx skills add wondelai/skills/ddia-systems --global
npx skills add wondelai/skills/system-design --global
npx skills add wondelai/skills/clean-architecture --global
npx skills add wondelai/skills/release-it --global
npx skills add wondelai/skills/high-perf-browser --global
npx skills add wondelai/skills/37signals-way --global
npx skills add wondelai/skills/steve-jobs-design-review --global
npx skills add wondelai/skills/good-strategy-bad-strategy --global
npx skills add wondelai/skills/monetizing-innovation --global
npx skills add wondelai/skills/cold-start-problem --global
npx skills add wondelai/skills/working-with-legacy-code --global
npx skills add wondelai/skills/team-topologies --global
npx skills add wondelai/skills/high-output-management --global
npx skills add wondelai/skills/lean-analytics --global

Via OpenAI Codex

Codex adopted the same open SKILL.md standard, so every skill here works in Codex CLI too:

  • Individual skills — the npx skills add wondelai/skills/<name> commands above target Codex as well (Codex is a supported agentskills.io agent).
  • As Codex plugins — this repo ships a Codex plugin marketplace at .agents/plugins/marketplace.json with the same 9 collections. In a clone, Codex auto-discovers it (and the skills under .agents/skills/); manage installs from the /plugins menu in the Codex TUI. The Codex manifests are generated from .claude-plugin/marketplace.json (single source of truth) by scripts/generate-codex-plugins.sh.

Available Skills

SkillDescriptionBased On
jobs-to-be-doneJTBD framework for product innovationClayton Christensen's "Competing Against Luck"
cro-methodologyConversion rate optimization methodologyKarl Blanks & Ben Jesson's "Making Websites Win"
refactoring-uiPractical UI design systemAdam Wathan & Steve Schoger's "Refactoring UI"
ios-hig-designNative iOS app design guidelinesApple's Human Interface Guidelines
scorecard-marketingQuiz/assessment funnel lead generationDaniel Priestley's "Scorecard Marketing"
storybrand-messagingClear brand messaging using story structureDonald Miller's "Building a StoryBrand"
hooked-uxHabit-forming product designNir Eyal's "Hooked"
improve-retentionBehavior design for user retention using B=MAPBJ Fogg's "Tiny Habits"
ux-heuristicsUsability evaluation and principlesSteve Krug's "Don't Make Me Think" & Jakob Nielsen's 10 Heuristics
web-typographyWeb typography principles and implementationJason Santa Maria's "On Web Typography"
top-designAward-winning 10/10 web design matching elite agenciesTechniques from Locomotive, Studio Freight, AREA 17, Awwwards winners
negotiationTactical negotiation framework for high-stakes conversationsChris Voss's "Never Split the Difference"
influence-psychologyPersuasion science and ethical influence principlesRobert Cialdini's "Influence: The Psychology of Persuasion"
lean-startupBuild-Measure-Learn methodology for startups and new productsEric Ries's "The Lean Startup"
design-sprint5-day process for validating ideas through prototyping and testingJake Knapp's "Sprint"
crossing-the-chasmTechnology adoption lifecycle and go-to-market for tech productsGeoffrey Moore's "Crossing the Chasm"
blue-ocean-strategyCreate uncontested market space with value innovationW. Chan Kim & Renée Mauborgne's "Blue Ocean Strategy"
traction-eosEntrepreneurial Operating System for running a businessGino Wickman's "Traction"
design-everyday-thingsFoundational design principles: affordances, signifiers, feedbackDon Norman's "The Design of Everyday Things"
predictable-revenueOutbound sales process and Cold Calling 2.0 methodologyAaron Ross's "Predictable Revenue"
made-to-stickSUCCESs framework for creating memorable messagingChip Heath & Dan Heath's "Made to Stick"
drive-motivationIntrinsic motivation science: Autonomy, Mastery, PurposeDaniel Pink's "Drive"
hundred-million-offersGrand Slam Offer creation: Value Equation, pricing, bonuses, guarantees, scarcityAlex Hormozi's "$100M Offers"
obviously-awesomeProduct positioning: competitive alternatives, unique value, target customers, market categoryApril Dunford's "Obviously Awesome"
contagiousWord-of-mouth and virality using the STEPPS frameworkJonah Berger's "Contagious"
one-page-marketingEnd-to-end marketing plan: 9-square grid from prospect to raving fanAllan Dib's "The 1-Page Marketing Plan"
mom-testCustomer interview framework: talk about their life, not your ideaRob Fitzpatrick's "The Mom Test"
inspired-productEmpowered product teams with discovery and delivery dual-trackMarty Cagan's "Inspired"
lean-uxHypothesis-driven UX design with rapid experimentsJeff Gothelf's "Lean UX"
continuous-discoveryWeekly customer touchpoints using Opportunity Solution TreesTeresa Torres's "Continuous Discovery Habits"
microinteractionsDesign triggers, rules, feedback, loops and modes for interaction polishDan Saffer's "Microinteractions"
clean-codeReadable, maintainable code through naming, small functions, and clean error handlingRobert C. Martin's "Clean Code"
refactoring-patternsNamed refactoring transformations to improve code structure safelyMartin Fowler's "Refactoring"
software-design-philosophyManaging complexity through deep modules and information hidingJohn Ousterhout's "A Philosophy of Software Design"
pragmatic-programmerMeta-principles: DRY, orthogonality, tracer bullets, design by contractAndrew Hunt & David Thomas's "The Pragmatic Programmer"
domain-driven-designModel software around business domains with bounded contexts and aggregatesEric Evans's "Domain-Driven Design"
ddia-systemsData system design: storage engines, replication, partitioning, consistencyMartin Kleppmann's "Designing Data-Intensive Applications"
system-designScalable distributed systems: load balancing, caching, database scalingAlex Xu's "System Design Interview"
clean-architectureThe Dependency Rule: dependencies point inward from frameworks to entitiesRobert C. Martin's "Clean Architecture"
release-itProduction-ready systems: circuit breakers, bulkheads, timeouts, retry logicMichael Nygard's "Release It!"
high-perf-browserWeb performance: network protocols, resource loading, browser renderingIlya Grigorik's "High Performance Browser Networking"
37signals-wayBuild less, shape work, ship in six-week cycles with small autonomous teamsJason Fried & DHH's "Getting Real", "Rework" & Ryan Singer's "Shape Up"
steve-jobs-design-reviewJobs-style design reviews: ruthless simplicity, focus, demo culture, binary verdictsWalter Isaacson's "Steve Jobs", Ken Segall's "Insanely Simple" & Ken Kocienda's "Creative Selection"
good-strategy-bad-strategyStrategy kernels: diagnosis, guiding policy, coherent action — and bad-strategy detectionRichard Rumelt's "Good Strategy Bad Strategy"
monetizing-innovationPrice-before-product: willingness-to-pay research, packaging, monetization modelsMadhavan Ramanujam & Georg Tacke's "Monetizing Innovation"
cold-start-problemNetwork effects: atomic networks, the hard side, tipping points, escape velocityAndrew Chen's "The Cold Start Problem"
working-with-legacy-codeSafely change untested code: seams, characterization tests, sprout/wrap, dependency breakingMichael Feathers' "Working Effectively with Legacy Code"
team-topologiesFour team types, three interaction modes, Conway's law, team cognitive loadMatthew Skelton & Manuel Pais's "Team Topologies"
high-output-managementManagerial leverage, one-on-ones, OKRs, task-relevant maturityAndrew S. Grove's "High Output Management"
lean-analyticsOne Metric That Matters, metrics by business model and stage, benchmarksAlistair Croll & Ben Yoskovitz's "Lean Analytics"

Looking for real-world scenarios? See EXAMPLES.md for 80 copy-pasteable prompts organized by persona (founders, PMs, marketers, designers, sales, copywriters, solopreneurs).


Skill Details

jobs-to-be-done

Strategic framework for discovering and designing product innovations. Customers don't buy products—they "hire" them to make progress in specific circumstances.

About the author: Clayton M. Christensen (1952–2020) was a Harvard Business School professor widely regarded as one of the most influential business thinkers of our time. Named the world's most influential business thinker by Thinkers50 in 2011 and 2013, he developed the theory of "disruptive innovation" and authored nine books including The Innovator's Dilemma. Christensen co-founded Innosight (growth strategy consultancy), Rose Park Advisors (investment firm), and the Christensen Institute (non-profit think tank). His JTBD framework, detailed in "Competing Against Luck", has been adopted by companies like Netflix, Intuit, and countless startups worldwide.

Use when you need to:

  • Understand why customers really buy (or don't buy) your product
  • Design a new product or feature from scratch
  • Write customer discovery interview questions
  • Analyze competition beyond obvious product categories
  • Diagnose why a product isn't selling or customers are churning
  • Create positioning and messaging strategy
  • Reframe product metrics around customer progress
  • Understand why customers actually buy and what job they hire the product for

Example prompts:

  • "Help me write interview questions to discover the job our customers hire our app for. Use jobs-to-be-done skill."
  • "Our signup-to-active rate is 20%. Diagnose why users aren't completing the Little Hire. Use jobs-to-be-done skill."
  • "What jobs might compete with our meditation app that aren't other meditation apps? Use jobs-to-be-done skill."
  • "Write a job statement for someone buying a $3000 online course. Use jobs-to-be-done skill."

cro-methodology

Scientific, customer-centric approach to conversion rate optimization. Rejects "best practices" in favor of evidence-based testing—understand WHY visitors don't convert before changing anything.

About the authors: Dr. Karl Blanks and Ben Jesson are co-founders of Conversion Rate Experts (CRE), the world's leading conversion rate optimization agency. They received the Queen's Award for Enterprise twice—first for Innovation (codifying the scientific methodology now used by companies like Amazon and Google), and again for International Trade. Their client list includes Google, Apple, Facebook, Amazon, Dropbox, and many other leading tech companies. Their methodology has generated billions in additional revenue. "Making Websites Win" became an Amazon #1 bestseller in 15 categories. All profits from the book are donated to the charity Mary's Meals.

Use when you need to:

  • Audit a landing page or website for conversion issues
  • Identify why visitors aren't converting (objections vs. UX problems)
  • Write persuasive copy that addresses customer objections
  • Design A/B tests with bold hypotheses (not button color tests)
  • Find hidden "persuasion assets" you're not using
  • Map and optimize a conversion funnel
  • Create an objection/counter-objection framework
  • Increase signups or fix a checkout where people add to cart but don't buy

Example prompts:

  • "Audit this landing page and list the top 5 objections a visitor might have. Use cro-methodology skill."
  • "Create an O/CO (objection/counter-objection) table for our SaaS pricing page. Use cro-methodology skill."
  • "What persuasion assets are we missing on this page? (testimonials, guarantees, credentials). Use cro-methodology skill."
  • "Rewrite this headline to address the 'is this worth my time?' objection. Use cro-methodology skill."

refactoring-ui

Practical, opinionated UI design system for developers. Design in grayscale first, add color last. Start with too much white space, then remove.

About the authors: Adam Wathan is a full-stack developer and entrepreneur best known as the creator of Tailwind CSS, the utility-first CSS framework that has become one of the most popular styling tools in modern web development. Steve Schoger is a visual designer from Canada known for his practical design tips that went viral on Twitter, helping developers improve their UI skills. Together, they created "Refactoring UI"—a book and video series teaching developers how to design beautiful interfaces without formal design training. Their collaboration bridges the gap between development and design, making good UI accessible to everyone who writes code.

Use when you need to:

  • Make a UI "look less amateur" without a designer
  • Fix visual hierarchy problems (everything looks the same importance)
  • Choose a consistent spacing and typography scale
  • Build a color palette with proper shades and contrast
  • Add depth with shadows and layering
  • Review UI code for common design mistakes
  • Style components in Tailwind CSS
  • Fix a UI that looks off, amateur, or unprofessional and make it look polished

Example prompts:

  • "This dashboard looks cluttered. Fix the hierarchy. Use refactoring-ui skill."
  • "Generate a color palette with 9 shades for a warm, friendly SaaS app. Use refactoring-ui skill."
  • "Review this card component and suggest spacing/typography improvements. Use refactoring-ui skill."
  • "The text is hard to read. What's wrong with the contrast and line height? Use refactoring-ui skill."
  • "Convert this design to Tailwind classes. Use refactoring-ui skill."

ios-hig-design

Design native iOS apps that feel intuitive and aligned with Apple's platform conventions. Covers layout, typography, navigation, gestures, colors, and accessibility.

About the source: Apple Inc. has published Human Interface Guidelines since the original Macintosh in 1984, making it one of the oldest and most influential design documentation in computing history. The Human Interface Guidelines define the design language for iOS, macOS, watchOS, tvOS, and visionOS—covering everything from typography and color to navigation patterns and accessibility. Apple's design philosophy emphasizes clarity, deference, and depth, creating interfaces that feel intuitive to billions of users worldwide. The HIG is continuously updated and represents decades of research into human-computer interaction.

Use when you need to:

  • Design iPhone or iPad app interfaces
  • Build SwiftUI or UIKit components that feel native
  • Validate if a design follows iOS conventions
  • Implement proper navigation patterns (tab bar, nav bar, modals)
  • Ensure accessibility (VoiceOver, Dynamic Type, contrast)
  • Handle safe areas, notch, and Dynamic Island correctly
  • Choose correct touch target sizes and spacing
  • Make an iPhone or iPad app feel native and follow Apple's guidelines

Example prompts:

  • "Review this SwiftUI view and check if it follows HIG guidelines. Use ios-hig-design skill."
  • "What's the correct navigation pattern for a settings screen with sub-pages? Use ios-hig-design skill."
  • "Add proper accessibility labels to these interactive elements. Use ios-hig-design skill."
  • "This design uses a hamburger menu. What's the iOS-native alternative? Use ios-hig-design skill."
  • "Generate the correct icon sizes for App Store submission. Use ios-hig-design skill."

scorecard-marketing

Lead generation system using interactive quiz/assessment funnels. Converts 30-50% vs 3-10% for traditional PDF lead magnets by creating psychological tension and self-qualification.

About the author: Daniel Priestley is a serial entrepreneur who has built and sold multiple businesses. He founded Dent Global, one of the world's leading business accelerators for entrepreneurs, and co-founded ScoreApp, a marketing software platform serving over 150,000 businesses globally. Priestley has won major business awards and authored seven books on entrepreneurship, including bestsellers Key Person of Influence, Entrepreneur Revolution, Oversubscribed, and 24 Assets. "Scorecard Marketing", co-authored with Glen Carlson, distills the methodology that powers ScoreApp into a practical playbook for generating qualified leads at scale.

Use when you need to:

  • Create a lead magnet that actually converts
  • Build a quiz funnel landing page
  • Design assessment questions that qualify leads
  • Write dynamic results content based on score tiers
  • Set up automated follow-up sequences by segment
  • Generate scorecard concepts for any industry
  • Build a quiz or assessment that captures and qualifies leads

Example prompts:

  • "Create a scorecard concept for a B2B accounting software company. Use scorecard-marketing skill."
  • "Write 15 assessment questions for a 'Marketing Maturity' scorecard with 5 categories. Use scorecard-marketing skill."
  • "Generate landing page copy for a 'Are You Ready to Scale?' quiz using the 3 Cs formula. Use scorecard-marketing skill."
  • "Write dynamic results page content for Low/Medium/High scoring tiers. Use scorecard-marketing skill."
  • "What follow-up email sequence should we send based on scorecard results? Use scorecard-marketing skill."

storybrand-messaging

StoryBrand framework for clarifying your message so customers will listen. Positions your customer as the hero and your brand as the guide in a story structure that resonates.

About the author: Donald Miller is the CEO of StoryBrand, a company that has helped more than 10,000 businesses clarify their messaging. His StoryBrand Framework is used by brands ranging from small startups to Fortune 500 companies. Miller is a New York Times bestselling author and popular keynote speaker. "Building a StoryBrand" has become one of the most influential marketing books of the past decade, teaching the 7-part framework that transforms confusing messaging into clear, compelling communication.

Use when you need to:

  • Clarify your brand message so customers understand it instantly
  • Write website copy that converts visitors to customers
  • Create one-liners and elevator pitches
  • Build landing pages with narrative structure
  • Position your customer as the hero (not your brand)
  • Diagnose why your current messaging isn't resonating
  • Develop a brand script for consistent communication
  • Rewrite confusing homepage copy so the customer is the hero

Example prompts:

  • "Create a StoryBrand brand script for my SaaS project management tool. Use storybrand-messaging skill."
  • "Write a one-liner for our accounting firm. Use storybrand-messaging skill."
  • "Audit this homepage copy—is the customer positioned as the hero? Use storybrand-messaging skill."
  • "What's the internal problem our customers face beyond the external one? Use storybrand-messaging skill."
  • "Generate a 3-step plan section for our services page. Use storybrand-messaging skill."

hooked-ux

Hook Model framework for building habit-forming products. The four-phase process (Trigger → Action → Variable Reward → Investment) that connects users to your product through successive cycles.

About the author: Nir Eyal is an author, lecturer, and investor who writes about the intersection of psychology, technology, and business. He previously taught at Stanford Graduate School of Business and has worked in the video gaming and advertising industries. "Hooked: How to Build Habit-Forming Products" has become essential reading for product designers and entrepreneurs, providing a practical framework for creating products that users return to repeatedly. His work has influenced product design at companies from startups to Fortune 500.

Use when you need to:

  • Increase user engagement and retention
  • Design habit loops in your product
  • Audit why users aren't returning
  • Create effective triggers and notifications
  • Design variable reward systems
  • Increase investment and switching costs
  • Evaluate the ethics of your engagement tactics
  • Optimize onboarding for habit formation
  • Build a habit loop so users come back instead of churning after signup

Example prompts:

  • "What's the internal trigger for our meditation app? Use hooked-ux skill."
  • "Design a variable reward system for our fitness tracking app. Use hooked-ux skill."
  • "Audit our onboarding—does it complete the full Hook cycle? Use hooked-ux skill."
  • "How can we increase investment in our note-taking app to improve retention? Use hooked-ux skill."
  • "Are we in the Habit Zone? Analyze our usage frequency vs. perceived value. Use hooked-ux skill."

improve-retention

Behavior design framework for diagnosing and fixing retention problems. Uses BJ Fogg's B=MAP model (Behavior = Motivation + Ability + Prompt) to systematically identify why users aren't completing key actions and design behaviors that stick.

About the author: BJ Fogg, PhD is the founder of the Behavior Design Lab at Stanford University, where he has directed research on behavior change since 1998. He created the Fogg Behavior Model (B=MAP), which has become the foundational framework used by product designers, health researchers, and behavior change professionals worldwide. Fogg coined the term "behavior design" and has trained thousands of innovators in his methods, including the founders of Instagram. "Tiny Habits: The Small Changes That Change Everything" distills two decades of research into a practical system for behavior change.

Use when you need to:

  • Diagnose why users aren't completing key actions
  • Reduce friction using the Ability Chain (6 simplicity factors)
  • Design effective prompts and notifications
  • Create tiny behaviors that compound into retention
  • Audit motivation-ability mismatches
  • Design onboarding that builds lasting habits
  • Apply B=MAP to improve activation and retention metrics
  • Fix a product where people sign up but don't stick around

Example prompts:

  • "Our Day-7 retention is 20%. Diagnose using B=MAP — is it a motivation, ability, or prompt problem? Use improve-retention skill."
  • "Run a friction audit on our onboarding flow using the Ability Chain. Use improve-retention skill."
  • "Design a Tiny Habits recipe for our core daily action. Use improve-retention skill."
  • "Our push notifications have low click-through rates. Are we prompting below the Action Line? Use improve-retention skill."
  • "Why do users sign up but never complete their first project? Use improve-retention skill."

ux-heuristics

Usability heuristics and evaluation principles combining Steve Krug's practical "Don't Make Me Think" approach with Jakob Nielsen's 10 heuristics for systematic interface evaluation.

About the sources: Steve Krug is a usability consultant whose book "Don't Make Me Think" has been the go-to guide for web usability since 2000, selling over 600,000 copies. His common-sense approach has influenced a generation of designers. Jakob Nielsen, co-founder of Nielsen Norman Group, is often called "the king of usability." His 10 Usability Heuristics, published in 1994, remain the most-used framework for evaluating interface usability worldwide.

Use when you need to:

  • Audit a UI for usability problems
  • Identify why users are confused or frustrated
  • Simplify navigation and information architecture
  • Conduct heuristic evaluations
  • Prioritize UX fixes by severity
  • Review designs before development
  • Improve form usability
  • Validate that interfaces follow established UX principles
  • Check whether something is easy to use and find concrete usability problems

Example prompts:

  • "Run a heuristic evaluation on this checkout flow. Use ux-heuristics skill."
  • "Apply the Trunk Test to this homepage—can users answer the 6 key questions? Use ux-heuristics skill."
  • "Rate the severity of these usability issues from 0-4. Use ux-heuristics skill."
  • "What UX heuristics is this error message violating? Use ux-heuristics skill."
  • "Audit this form for usability issues and suggest fixes. Use ux-heuristics skill."

web-typography

Web typography principles for choosing, pairing, and implementing typefaces. Typography serves communication—the best typography is invisible, immersing readers in content rather than calling attention to itself.

About the author: Jason Santa Maria is a graphic designer, author, and educator whose work focuses on the intersection of design and technology. He has worked with clients including The New York Times, AIGA, and Happy Cog. Santa Maria was Creative Director at Typekit (now Adobe Fonts) and co-founded A Book Apart, the influential publisher of books for web professionals. He teaches at the School of Visual Arts in New York. "On Web Typography", published by A Book Apart in 2014, distills his expertise into a practical guide for choosing, evaluating, and implementing type on the web.

Use when you need to:

  • Select typefaces for body text, headlines, and UI
  • Evaluate typeface quality for screen readability
  • Pair fonts that work together (or decide to use just one)
  • Set optimal line length, line height, and font size
  • Implement responsive typography with CSS
  • Build type hierarchies that guide readers
  • Optimize web font loading for performance
  • Choose a font and improve readability when text is hard to read

Example prompts:

  • "Recommend a typeface pairing for a legal services website. Use web-typography skill."
  • "Evaluate if this Google Font is suitable for long-form reading. Use web-typography skill."
  • "Set up a fluid type scale using clamp() for responsive typography. Use web-typography skill."
  • "What's wrong with the typography on this blog post? The text feels hard to read. Use web-typography skill."
  • "Create CSS for optimal body text: font-size, line-height, and max-width. Use web-typography skill."

top-design

Create award-winning websites and applications with design and typography rated 10/10. Build premium digital experiences that match the quality of elite agencies like Locomotive, Studio Freight, AREA 17, Active Theory, Hello Monday, and Awwwards winners.

About the source: This skill synthesizes techniques from the world's top digital agencies—studios that consistently win FWA, Awwwards, CSS Design Awards, and Webby Awards. Every pixel is intentional, typography is architecture, motion creates emotion, and performance is non-negotiable.

Use when you need to:

  • Build premium portfolio sites, brand websites, or agency-level experiences
  • Create immersive web experiences with custom animations
  • Implement exceptional typography with dramatic scale contrast
  • Design scroll-based compositions with purposeful motion
  • Match the quality of Awwwards-winning sites
  • Give a site a wow factor and make it genuinely impressive

Example prompts:

  • "Build a portfolio site at the level of Studio Freight or Locomotive. Use top-design skill."
  • "Create an immersive hero section with award-winning typography. Use top-design skill."
  • "Design a scroll-based experience for a luxury brand. Use top-design skill."
  • "Review this website against top agency standards. Use top-design skill."
  • "Add custom animations that feel like an Awwwards winner. Use top-design skill."

negotiation

Tactical empathy-based negotiation framework from FBI hostage negotiator Chris Voss. Master techniques like mirroring, labeling, calibrated questions, and the Ackerman bargaining method to navigate high-stakes conversations.

About the author: Chris Voss is a former FBI hostage negotiator who served as the lead international kidnapping negotiator for the FBI. During his 24-year career, he was trained in the art of negotiation by the FBI, Scotland Yard, and Harvard Law School. Voss has taught negotiation at Harvard, Georgetown, MIT, and USC. He founded The Black Swan Group, a consulting firm that trains Fortune 500 companies, including Microsoft, Google, and Cisco. "Never Split the Difference: Negotiating As If Your Life Depended On It", co-authored with Tahl Raz, became a Wall Street Journal bestseller and has transformed how people negotiate in business, salary discussions, and everyday life.

Use when you need to:

  • Prepare for salary or contract negotiations
  • Handle difficult conversations with stakeholders
  • Craft responses to unreasonable demands
  • Analyze counterpart behavior and motivations
  • Navigate vendor or partnership negotiations
  • De-escalate tense situations
  • Build rapport in adversarial settings
  • Close deals without compromising your position
  • Ask for a raise or get a better deal when the other side won't budge

Example prompts:

  • "I'm negotiating a 20% raise. Help me prepare using the Ackerman method. Use negotiation skill."
  • "My client said 'that's not fair.' How do I respond? Use negotiation skill."
  • "Write calibrated questions to uncover why the vendor won't budge on price. Use negotiation skill."
  • "Draft an accusation audit for a meeting where they think we've been unresponsive. Use negotiation skill."
  • "How do I get them to say 'That's right' about our proposal? Use negotiation skill."
  • "The other party has gone silent. What's my re-engagement strategy? Use negotiation skill."

influence-psychology

Persuasion science framework applying Robert Cialdini's seven universal principles of influence (Reciprocity, Commitment & Consistency, Social Proof, Authority, Liking, Scarcity, Unity) to product design, marketing, and communication.

About the author: Robert B. Cialdini, PhD is Regents' Professor Emeritus of Psychology and Marketing at Arizona State University. His research on the psychology of influence has been published extensively and cited across disciplines. "Influence: The Psychology of Persuasion" has sold over 5 million copies worldwide and is considered the foundational text on persuasion science. Cialdini has consulted for Fortune 500 companies, government agencies, and nonprofits on ethical influence strategies.

Use when you need to:

  • Design features that leverage social proof
  • Write persuasive copy and messaging
  • Analyze why users take (or don't take) actions
  • Create onboarding flows using commitment/consistency
  • Design referral programs using reciprocity
  • Audit for ethical persuasion
  • Apply influence psychology to product, marketing, or sales
  • Make copy more persuasive and build trust so more people say yes

Example prompts:

  • "Audit this landing page for Cialdini's influence principles. Which are missing? Use influence-psychology skill."
  • "Design a referral program using reciprocity and social proof. Use influence-psychology skill."
  • "How can we use commitment/consistency in our onboarding flow? Use influence-psychology skill."
  • "Is this scarcity tactic ethical? Review against the ethical checklist. Use influence-psychology skill."

lean-startup

Build-Measure-Learn methodology for startups and new products. Test assumptions with MVPs, measure with actionable metrics, and decide when to pivot or persevere.

About the author: Eric Ries is an entrepreneur and author who co-founded IMVU, where he pioneered continuous deployment and customer development practices that became the foundation of Lean Startup. "The Lean Startup" has been translated into over 30 languages and has influenced startup culture worldwide. Ries is also the creator of the Long-Term Stock Exchange (LTSE).

Use when you need to:

  • Design MVP scope for new product ideas
  • Define validated learning experiments
  • Create innovation accounting frameworks
  • Decide when to pivot vs. persevere
  • Set up actionable metrics vs. vanity metrics
  • Reduce product development waste
  • Apply scientific method to entrepreneurship
  • Decide whether to pivot and test a business idea with the smallest version first

Example prompts:

  • "What's the smallest MVP we can build to test our riskiest assumption? Use lean-startup skill."
  • "Are these vanity metrics or actionable metrics? Evaluate our dashboard. Use lean-startup skill."
  • "Should we pivot or persevere? Here's our data from the last 3 months. Use lean-startup skill."
  • "Design a smoke test to validate demand before we build anything. Use lean-startup skill."

design-sprint

Google Ventures' 5-day process for answering critical business questions through design, prototyping, and testing with real users.

About the author: Jake Knapp created the Design Sprint process while at Google, where he ran sprints on products like Gmail, Chrome, and Google X. As a design partner at Google Ventures (GV), he refined the process by running over 100 sprints with startups. "Sprint" is now used by teams at Google, Slack, Airbnb, LEGO, and thousands of companies worldwide.

Use when you need to:

  • Validate product ideas in 5 days instead of months
  • Rapidly prototype and test solutions
  • Align teams on product direction
  • De-risk product development before building
  • Make fast strategic decisions through structured process
  • Decide whether to build something by validating it fast before investing

Example prompts:

  • "Plan a 5-day design sprint for our new checkout flow. Use design-sprint skill."
  • "Create Monday mapping exercises for our sprint. Use design-sprint skill."
  • "Write a Friday interview script for testing our prototype. Use design-sprint skill."
  • "How do I run a design sprint with a remote team? Use design-sprint skill."

crossing-the-chasm

view the full README on GitHub.

// compatibility

Platformscli, api, web, mobile
Operating systems
AI compatibilityclaude
LicenseMIT
Pricingopen-source
LanguageShell

// faq

What is skills?

Agent skills for Claude, Claude Code, Claude Cowork, Codex, Cursor, OpenClaw, Hermes Agent and other agentskills.io-compatible agents. See https://developertoolkit.ai to learn more how to use skills properly and create new ones.. It is open-source on GitHub.

Is skills free to use?

skills is open-source under the MIT license, so it is free to use.

What category does skills belong to?

skills is listed under skills in the Claudeers registry of Claude-compatible tools.

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