
Claude Skills by guia-matthieu
github.com/guia-matthieu\"Invert, always invert.\" Apply Carl Jacobi's mathematical principle and Charlie Munger's investing wisdom to solve problems by thinking backward from failure. Use when: **Goal setting** - Define what would guarantee failure, then avoid it; **Risk analysis** - Identify what could destroy your project before starting; **Decision making** - Evaluate choices by examining their worst outcomes; **Problem solving** - When direct approaches aren't working, reverse the question; **Strategy developme...
Understand why customers really buy by uncovering the \"job\" they're hiring your product to do Use when: **Understanding customer motivation** beyond demographics and feature requests; **Finding product-market fit** by identifying the real progress customers seek; **Discovering why customers switch** (or don't) between solutions; **Identifying true competition** that isn't obvious from industry categories; **Creating marketing messages** that resonate with real customer struggles
Master product positioning using April Dunford's proven 5+1 framework from \"Obviously Awesome\". Transform how customers perceive your product by deliberately setting the right context. Use when: Launching a new product and need to define market position; Current positioning feels \"off\" - customers don't \"get it\"; Facing price resistance or wrong competitor comparisons; Pivoting product to new market or segment; Preparing sales pitch and need positioning foundation
Imagine your project has failed spectacularly—then work backward to identify why. Apply Gary Klein's \"prospective hindsight\" technique to catch failures before they happen. Use when: **Before launching** a product, campaign, or major initiative; **Before making** an important decision (hiring, investment, partnership); **Starting a project** to identify risks the team hasn't considered; **When overconfident** and everyone agrees the plan is great; **Before committing resources** to a signif...
Design products around price using Madhavan Ramanujam's \"Monetizing Innovation\" methodology—determine willingness to pay before you build, not after. Use when: **Set pricing for a new product** before or during development; **Validate willingness to pay** before investing in features; **Structure pricing tiers** (Good-Better-Best) for different segments; **Choose the right monetization model** (subscription, usage-based, freemium, etc.); **Diagnose why a product isn't monetizing** as expected
Apply Edward de Bono's parallel thinking framework (1985) to make better decisions by examining ideas from six distinct perspectives systematically. Use when: **Making complex decisions** that require multiple perspectives; **Evaluating new products, offers, or strategies** before launch; **Breaking out of analysis paralysis** with structured thinking; **Running productive meetings** where everyone thinks in the same direction; **Balancing optimism with caution** in strategic planning
Apply Segmentation, Targeting, and Positioning framework to identify market opportunities and craft differentiated positioning
Use Osterwalder's Value Proposition Canvas to systematically achieve product-market fit by matching your products and services to customer jobs, pains, and gains Use when: **Launching a new product or service** and need to validate the value proposition; **Struggling with product-market fit** and need to diagnose why customers aren't buying; **Repositioning an existing offering** to better meet customer needs; **Entering a new market segment** with different customer requirements; **Developin...
Make decisions that your 80-year-old self will thank you for. Master Jeff Bezos' mental model for bold choices that minimize long-term regret. Use when: **Career decisions** with long-term implications; **Startup vs. safe job** choices; **Major life pivots** (relocations, relationships, changes); **Risk-taking decisions** where fear is a factor; **Opportunity evaluation** when considering bold moves
Know when to move fast and when to move carefully. Master Jeff Bezos' framework for distinguishing high-stakes irreversible decisions from low-stakes reversible ones. Use when: **Prioritizing decisions** to know where to invest time; **Team empowerment** to understand what to delegate vs. escalate; **Avoiding analysis paralysis** on decisions that don't matter; **Risk management** to identify where caution is truly warranted; **Speed vs. thoroughness** trade-offs in any context
Think beyond immediate consequences to understand the chain reactions of decisions. Master Howard Marks' investment framework for seeing what others miss. Use when: **Strategic decisions** where long-term consequences matter; **Policy/rule changes** that will trigger behavioral responses; **Competitive moves** to anticipate market reactions; **Product decisions** where user behavior may shift; **Investment analysis** to see past obvious conclusions
Use when facing complex reasoning tasks - multi-step math, logic puzzles, decisions with tradeoffs, problems where direct answers fail, or when you need to show your work. Triggers on arithmetic errors, shallow analysis, or "I'm not sure" hedging.
Systematically validate your business hypotheses before building anything. Master Steve Blank's Customer Development methodology that became the foundation of Lean Startup and YC's approach. Use when: **Starting a new venture** to avoid building something nobody wants; **Before writing a line of code** to validate problem-solution fit; **Pivoting decisions** to systematically test new directions; **Early-stage fundraising** to prove market validation; **Product roadmap planning** to prioritiz...
Document your business model on one page and systematically de-risk it. Master Ash Maurya's adaptation of Business Model Canvas optimized for startups and uncertainty. Use when: **Starting a new venture** to articulate and test your business model; **Preparing for customer discovery** to document hypotheses to validate; **Pivoting decisions** to compare alternative business models; **Investor conversations** to communicate your model concisely; **Team alignment** to get everyone on the same page
Extract honest customer insights by asking questions about their life instead of your idea. Master Rob Fitzpatrick's methodology for conversations that can't lie to you. Use when: **Before building anything** to validate if the problem is real and painful; **Customer discovery calls** to get honest feedback without leading questions; **Pivoting decisions** to understand if you should change direction; **Feature prioritization** to learn what customers actually need vs. say they want; **Pricin...
Anticipate and neutralize every reason customers say \"no\" before they say it. Combine Chris Voss's negotiation psychology with systematic sales methodology to turn objections into opportunities. Use when: **Before sales calls** to prepare responses to common pushback; **After losing deals** to document and learn from objections; **Product positioning** to address concerns in marketing copy; **Pricing conversations** to defend value against price resistance; **Team training** to create an ob...
Create research-backed buyer personas that drive real marketing and product decisions. Combine Buyer Personas methodology with Jobs-to-be-Done to build profiles based on actual behavior, not demographics fiction. Use when: **Starting customer discovery** to define who you're validating with; **Marketing campaign planning** to target the right messages to right people; **Content strategy** to create content that resonates with specific audiences; **Product roadmap prioritization** to build fea...
Test willingness to pay before launching with proven pricing research methodologies. Combine Van Westendorp, Gabor-Granger, and behavioral techniques to find your optimal price point. Use when: **After solution validation** to test willingness to pay; **Before launch** to set initial pricing; **Pricing changes** to test new price points; **New segments** to understand price sensitivity by segment; **Competitive positioning** to price against alternatives
Validate that the problem you want to solve is real, painful, and worth solving before building anything. Master Cindy Alvarez's structured approach to problem discovery interviews. Use when: **Before solution interviews** to confirm the problem exists; **Early customer discovery** to understand the problem space; **Pivoting** to find new problems worth solving; **Market expansion** to understand problems in new segments; **Feature prioritization** to validate which problems matter most
Test if your solution actually solves the validated problem before building the full product. Master the art of showing concepts and prototypes to get honest feedback on solution fit. Use when: **After problem interviews** to test if your solution addresses validated problems; **Before building MVP** to validate core value proposition; **Prototype testing** to get feedback on concepts and mockups; **Feature validation** to test if new features solve real problems; **Pivoting** to test alterna...
Créez des storyboards visuellement cohérents en utilisant la technique des 2x2 Grid Shots de PJ Ace, garantissant éclairage, personnages et décors uniformes entre les plans. Use when: **Après avoir finalisé un script vidéo** - Transformer le concept en visuels; **Besoin de cohérence visuelle** - Personnages et éclairage constants entre les plans; **Préparer des assets pour animation** - Frames prêtes pour Veo, Runway, Kling; **Présenter un storyboard client** - Visualisation avant production;...
Développez une idée créative et structurez un script vidéo optimisé pour la génération IA, en suivant la méthode des scènes de 8 secondes de PJ Ace. Use when: **Démarrer une publicité vidéo IA** - Transformer une idée brute en script structuré; **Créer du contenu vidéo pour les réseaux sociaux** - TikTok, Reels, YouTube Shorts; **Développer un concept de campagne** - Avant de passer au storyboard; **Pitcher une idée vidéo** - Présenter un concept à un client ou une équipe; **Adapter un messag...
Générez des prompts optimisés pour chaque modèle de génération vidéo IA (Veo 3, Runway Gen-3, Kling 2.6, Pika), en exploitant leurs forces spécifiques. Use when: **Animer des frames de storyboard** - Transformer des images fixes en vidéo; **Choisir le bon modèle** - Sélectionner Veo, Runway, Kling ou Pika selon le besoin; **Optimiser la qualité de génération** - Prompts structurés pour meilleurs résultats; **Créer des transitions fluides** - Scene extension, first/last frame; **Utiliser le mo...
Validez la qualité de vos vidéos IA avant publication avec une checklist complète couvrant technique, créatif, et positionnement marque. Use when: **Avant publication** - Dernière validation avant mise en ligne; **Revue client** - Préparer les points de feedback anticipés; **Itération qualité** - Identifier les problèmes à corriger; **Go/No-Go decision** - Décider si la vidéo est prête; **Post-mortem** - Analyser pourquoi une vidéo a (ou n'a pas) performé
Concevez et générez des voix IA pour vos vidéos en utilisant ElevenLabs ou Qwen3-TTS, avec clonage vocal, design par description, et synchronisation lip-sync. Use when: **Créer une voix de marque** - Définir le ton vocal pour une campagne; **Cloner une voix existante** - Reproduire une voix avec autorisation; **Designer une voix originale** - Créer une voix à partir d'une description; **Multi-personnages** - Gérer plusieurs voix dans une même vidéo; **Lip-sync vidéo IA** - Synchroniser voix e...