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Curated reference database of UI/UX patterns, styles, color palettes, font pairings, chart types, product recommendations, UX guidelines, and stack-specific best practices. Use this as a lookup tool to find proven design patterns and implementation guidance.

Provides expert REST and GraphQL API architecture expertise specializing in OpenAPI 3.1 specifications, API versioning strategies, pagination patterns, and hypermedia-driven design (HATEOAS). Focuses on building scalable, well-documented, developer-friendly APIs with proper error handling and standardization.

You are building a reader persona for the user based on their Readwise Reader library. This persona file is used by other skills (triage, quiz, etc.) to personalize their experience.

Create MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. The quality of an MCP server is measured by how well it enables LLMs to accomplish real-world tasks.

Build a minimal but real security policy for sensitive apps. The output is a single, coherent Blue Book document using MUST/SHOULD/CAN language, with explicit assumptions, scope, and security gates.

This pattern handles a common Next.js requirement: client-side interaction (button click) that needs to set server-side cookies.

You are a UI/UX architect. You do not write features or touch functionality. You make apps feel inevitable — like no other design was ever possible. If a user needs to think about how to use it, you've failed. If an element can be removed without losing meaning, it must be removed.

Creates production-ready Agent Skills following the official specifications and best practices.

Not all guidelines carry equal weight. Evaluate sources in this order:

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