BuildGreatProducts/product-os-public
Skill Claude CodeCodex
Use when the user has filled in the Define-phase documents (Product Offer, Customer Persona, Pricing Strategy, Mini-Launch) and wants a single concise summary of the entire product strategy. Triggers on phrases like "create PRODUCT.md", "synthesise my define docs", "summarise my product", "roll up the define folder"…
BuildGreatProducts/product-os-public
Skill Claude CodeCodex
Use when the user has a finished docs/PRODUCT.md, Product Identity, and Magic Moment for a mobile-first product and wants the copy and structure for their App Store / Google Play listing. Triggers on phrases like "write my app store listing", "design my app store copy", "draft my screenshot captions", "outline my App…
BuildGreatProducts/product-os-public
Skill Claude CodeCodex
Use when the user already has a product codebase and wants to reverse-engineer the design system already in the code into a Google-format docs/DESIGN.md — extracting the colors, typography, spacing, radii, elevation, and components actually used, flagging internal inconsistencies (competing values for one role …
BuildGreatProducts/product-os-public
Skill Claude CodeCodex
Use when the user wants to turn an image reference — a screenshot, mockup, Figma URL, or live website they love — into their Design System. Triggers on phrases like "build my design system", "create my DESIGN.md", "design from image", "image to design system", "translate this screenshot into a design system", "extract…
BuildGreatProducts/product-os-public
Skill Claude CodeCodex
Use when the user has a synthesised docs/PRODUCT.md (the plain-English roll-up of their Define-phase work) and wants to build their minimum viable brand identity from it. Triggers on phrases like "help me create my product identity", "build my brand identity", "design my brand", "name my product", "what's my brand…
BuildGreatProducts/product-os-public
Skill Claude CodeCodex
Use when the user has a finished docs/PRODUCT.md, Product Identity (productos/design/1-Product-Identity.md), and Magic Moment (productos/design/2-Magic-Moment.md) for a web or desktop product and wants to design the copy and structural direction for their landing page / marketing site. Triggers on phrases like "write…
BuildGreatProducts/product-os-public
Skill Claude CodeCodex
Use when the user has a finished docs/PRODUCT.md and wants to identify their product's aha moment — the specific instant the customer realizes the product is worth keeping. Triggers on phrases like "find my aha moment", "identify the magic moment", "what's my product's aha", "where should the wow happen", "design the…
BuildGreatProducts/product-os-public
Skill Claude CodeCodex
Use when the user has a finished docs/PRODUCT.md, a Product Identity, and a Magic Moment hypothesis, and wants to design the onboarding flow that engineers the user toward that magic moment. Triggers on phrases like "design the onboarding flow", "create my onboarding", "build the activation flow", "wireframe my…
BuildGreatProducts/product-os-public
Skill Claude CodeCodex
Use when the user has a finished productos/design/1-Product-Identity.md and docs/PRODUCT.md and wants paste-ready prompts for AI design tools (Pencil, paper.design, Claude Design, or MagicPath) that produce on-brand designs immediately. Triggers on phrases like "generate design prompts", "create AI design prompts"…
BuildGreatProducts/product-os-public
Skill Claude CodeCodex
Use when the user has their Product Identity's Tone of Voice and wants the in-product copy system — buttons, labels, errors, empty states, confirmations, toasts, notifications, and a terminology lexicon. Triggers on phrases like "write my UX copy", "UX writing", "microcopy", "fix my button labels", "write my error…
BuildGreatProducts/product-os-public
Skill Claude CodeCodex
Use when the user has uncommitted changes and wants them reviewed before committing — the deliberate whole-diff correctness pass. Triggers on phrases like "review my changes", "code review", "check my work before I commit", "am I ready to commit", "review what we just built", "anything wrong with this diff", or any…
BuildGreatProducts/product-os-public
Skill Claude CodeCodex
Use when the user has a working product codebase (web/mobile app, SaaS, marketplace, dev tool, extension, or landing page) and wants a conversion rate optimization audit of the code — what's slowing conversion, what's missing, what to fix first. Triggers on phrases like "audit my conversion rate", "CRO audit", "review…
BuildGreatProducts/product-os-public
Skill Claude CodeCodex
Use when the user is building or refactoring UI in their product codebase and wants designer-quality frontend code — not just functional code. Triggers on phrases like "design better", "make this UI feel more designed", "elevate the design quality", "build this with design best practices", "follow UX heuristics"…
BuildGreatProducts/product-os-public
Skill Claude CodeCodex
Use when the user has a docs/DESIGN.md and uncommitted changes in their product codebase (new components, modified styles, new screens) and wants a design-system adherence review before committing or merging. Triggers on phrases like "design review", "review my design system adherence", "check my changes against…
BuildGreatProducts/product-os-public
Skill Claude CodeCodex
Use in the app repo when the user wants feature or change recommendations to achieve a specific objective. Triggers on phrases like "what should I build next", "find features to improve retention", "how do I get more users to upgrade", "recommend features", "what would increase activation", "feature ideas for my app"…
BuildGreatProducts/product-os-public
Skill Claude CodeCodex
Use when the user's product is built (or nearly built) and they want to get it live and accessible to customers. Triggers on phrases like "create my deploy checklist", "how do I deploy this", "help me launch", "get this live", "put this in production", "ship it to customers", "what do I need to do to go live", or any…
BuildGreatProducts/product-os-public
Skill Claude CodeCodex
Use inside (or alongside) an app built on a prompt-to-app platform — Lovable, Bolt, v0, Base44, Replit Agent, and similar — when the user wants to move it into their own repository and a developer agent tool like Claude Code, Codex, or Cursor. Triggers on phrases like "migrate from Lovable", "get my app out of…
BuildGreatProducts/product-os-public
Skill Claude CodeCodex
Use in the app repo — the repository that contains productos/ — when the user wants the full MVP built from their ProductOS spec documents. Triggers on phrases like "build my MVP", "build the app", "execute the roadmap", "start the build", "work through the whole roadmap", "build everything", or any request to…
BuildGreatProducts/product-os-public
Skill Claude CodeCodex
Use when the user has a finished docs/PRODUCT.md and docs/DESIGN.md and is ready to scope their MVP and generate the two documents a coding agent builds from — docs/PRD.md (technical spec) and docs/ROADMAP.md (phased build plan with task checkboxes). Triggers on phrases like "create my PRD", "generate my roadmap"…
BuildGreatProducts/product-os-public
Skill Claude CodeCodex
Use in the app repo — the repository that contains productos/ — when docs/REFACTOR.md exists (generated by studio-develop-refactor-plan) and the user wants the refactor executed. Triggers on phrases like "run the refactor", "execute the refactor plan", "work through REFACTOR.md", "start refactoring", "apply the…
BuildGreatProducts/product-os-public
Skill Claude CodeCodex
Use inside an existing app codebase when the user wants a plan to bring the code in line with their ProductOS spec documents. Triggers on phrases like "create a refactor plan", "audit my codebase against the PRD", "plan the refactor", "what's different between my app and the PRD", "make REFACTOR.md", or any request to…
BuildGreatProducts/product-os-public
Skill Claude CodeCodex
Use for a full security audit of the app — the whole codebase or just uncommitted changes — producing docs/SECURITY-AUDIT.md, a verdict-first report with a checkbox fix plan a coding agent can execute. Triggers on phrases like "security audit", "is my app secure", "check for vulnerabilities", "audit my code for…
BuildGreatProducts/product-os-public
Skill Claude CodeCodex
Use when the user has a working product codebase and wants to find the activation and retention leaks — why new users don't reach the magic moment, and why existing users don't come back — and fix them. Triggers on phrases like "activation audit", "retention audit", "find my leaks", "why do users churn", "fix my…
BuildGreatProducts/product-os-public
Skill Claude CodeCodex
Use after the user has a go-to-market plan (or live channels) and wants to systematically improve and scale them. Triggers on phrases like "growth experiments", "growth plan", "growth backlog", "what should I test", "how do I scale this channel", "marketing experiments", "improve my channel", "A/B test ideas", "growth…