Frontend and Design

knitwork-x provides programmatic code generation for JavaScript and TypeScript. It is forked from knitwork and adds comprehensive TypeScript helpers: ESM (import/export), strings, variables, classes, interfaces, functions, types, control flow (if/try/loop/switch), and serialization (object/array/map/set). All gen*...

This skill provides guidance for creating sophisticated, interactive data visualisations using d3.js. D3.js (Data-Driven Documents) excels at binding data to DOM elements and applying data-driven transformations to create custom, publication-quality visualisations with precise control over every visual element. The...

Determine whether your SaaS business model is fundamentally viable and capital-efficient. Use this to calculate unit economics, assess profitability, manage cash runway, and decide when to scale vs. optimize. Essential for fundraising, board reporting, and making smart investment trade-offs.

Comprehensive performance optimization guide for Three.js applications. Contains 120+ rules across 18 categories, prioritized by impact.

Guide product managers through creating a user story map by asking adaptive questions about the system, users, workflow, and priorities—then generating a two-dimensional map with backbone (activities), user tasks, and release slices. Use this to move from flat backlogs to visual story maps that communicate the big...

Assets request on Binance using authenticated API endpoints. Requires API key and secret key for certain endpoints. Return the result in JSON format.

Source details, install context, and public review data are available on the full page.

Small improvements, continuously. Error-proof by design. Follow what works. Build only what's needed.

Guide product managers through creating Jeff Gothelf's Lean UX Canvas (v2) —a one-page facilitation tool that frames work around a business problem to solve , not a solution to implement . Use this to align cross-functional teams around core assumptions, craft testable hypotheses, and ensure learning happens every...

Expert acquisition playbook for Series A+ startups scaling internationally (EU/US/Canada) with hybrid PLG/Sales-Led motion.

Activates when the user says "audit this project's dependencies".

arch-tsdown-monorepo is a pnpm monorepo starter for TypeScript libraries (based on hairyf/starter-monorepo ). Each package uses tsdown for building. It provides shared tooling (ESLint, Vitest, TypeScript), pnpm catalogs for versions, workspace dependencies , and optional npm Trusted Publisher for CI-based releases.

Consolidated skill for building on the Cloudflare platform. Use decision trees below to find the right product, then load detailed references.

Source details, install context, and public review data are available on the full page.

Quick reference for any SaaS finance metric without deep teaching. Use this when you need a fast formula lookup, benchmark check, or decision framework reminder. For detailed explanations, calculations, and examples, see the related deep-dive skills.

Resolves Pull Request review comments with severity-based prioritization, fix application, and thread replies.

Comprehensive skill for creating beautiful, accessible user interfaces combining shadcn/ui components, Tailwind CSS utility styling, and canvas-based visual design systems.

Provide the canonical facilitation pattern for interactive skills: one step at a time, with clear progress, adaptive recommendations at decision points, and predictable interruption handling.

Help turn ideas into fully formed designs and specs through structured information gathering and collaborative validation.

Guide product managers through calculating Total Addressable Market (TAM), Serviceable Available Market (SAM), and Serviceable Obtainable Market (SOM) for a product idea by asking adaptive, contextually relevant questions. Use this to build defensible market size estimates backed by real-world citations, economic...

Create distinctive, production-grade frontend interfaces that avoid generic "AI slop" aesthetics. Implement real working code with exceptional attention to aesthetic details and creative choices. Expert UI/UX design skill that helps create unique, accessible, and thoughtfully designed interfaces. This skill emphasizes...

Configure Packer templates to push build metadata to HCP Packer registry.

Assess whether your product work is "AI-first" (using AI to automate existing tasks faster) or "AI-shaped" (fundamentally redesigning how product teams operate around AI capabilities). Use this to evaluate your readiness across 5 essential PM competencies for 2026 , identify gaps, and get concrete recommendations on...

Implement comprehensive testing strategies for mobile applications including unit tests, UI tests, integration tests, and performance testing.