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Financial leadership for startups and scaling companies. Financial modeling, unit economics, fundraising strategy, cash management, and board financial…

Technical specification and design document expert. Use when writing design docs, RFCs, ADRs, or evaluating technology choices. Covers C4 model, system design,…

Produce a print-grade single-page kami (紙 / 纸) document — warm parchment canvas, ink-blue accent, serif at one weight, no italic, no cool grays. The output reads like a professional white paper or studio one-pager, not an app UI. Multilingual by design (EN · zh-CN · ja). One self-contained HTML file, zero dependencies.

Plan Amazon product photography for maximum conversion. Shot lists, lighting setups, infographic briefs, lifestyle scene planning, and image optimization…

Discover trending products and rising categories on Amazon. Analyzes Best Seller Rank (BSR) patterns, new release momentum, seasonal trends, and emerging…

Airbnb's UI design system. Use when building interfaces inspired by Airbnb's aesthetic - light mode, Inter font, 4px grid.

Get recent news and sentiment for a stock. Use when user asks about news, headlines, sentiment, what's happening with a stock, or recent developments.

Presentation creation, editing, and analysis. When Claude needs to work with presentations (.pptx files) for: (1) Creating new presentations, (2) Modifying or…

Designs digital experiences for ADHD brains using neuroscience research and UX principles. Expert in reducing cognitive load, time blindness solutions,…

Extract comprehensive, production-ready JSON design specifications from visual inputs using a 7-pass serial architecture with cross-validation. Use when…

Automated Google Trends research via Node.js CLI. Search YouTube, Web, Images, News for rising/breakout queries. Use for Phase 1 Strategy research or any topic…

Build icon components where any icon morphs into any other through SVG line transformation. Use when asked to "create morphing icons", "build icon…

Expert blueprint for digital card games (CCG/Deckbuilders) including card data structures (Resource-based), deck management (draw/discard/reshuffle), turn…

Expert-level Prometheus monitoring, metrics collection, PromQL queries, alerting, and production operations

Linux networking expert for iptables, nftables, routing, DNS, and network troubleshooting

MCP (Model Context Protocol) server building principles. Tool design, resource patterns, best practices.

MCP server building, advanced patterns, and security hardening. Use when building MCP servers, implementing tool handlers, adding authentication, creating…

Use this skill when users need to create irresistible offers, design value stacks, optimize product/service positioning, or build "grand slam offers."…

Complete guide for building scalable microservices with Express.js including middleware patterns, routing strategies, error handling, production architecture,…

Use when you have a written implementation plan to execute in a separate session with review checkpoints