Other

Use when building React 18+ applications requiring component architecture, hooks patterns, or state management. Invoke for Server Components, performance optimization, Suspense boundaries, React 19 features.

Generate custom Juicebox V5 pay hooks from natural language specifications. Creates Solidity contracts implementing IJBPayHook and/or IJBRulesetDataHook with Foundry tests. First evaluates if off-the-shelf solutions (buyback hook, 721 hook, Revnet) fit the use case.

You MUST use this before any creative work - creating features, building components, adding functionality, or modifying behavior. Explores user intent, requirements and design before implementation.

CAPA system management for medical device QMS. Covers root cause analysis, corrective action planning, effectiveness verification, and CAPA metrics. Use for CAPA investigations, 5-Why analysis, fishbone diagrams, root cause determination, corrective action tracking, effectiveness verification, or CAPA program optimization.

Unit testing expert for Vitest and Jest. Use when writing unit tests, implementing mocking, or setting up test coverage.

Sweep 100% of native gas tokens from EIP-7702 compatible chains. Leaves exactly zero balance. Supports 25 mainnet chains.

Create and edit JSON Canvas files (.canvas) with nodes, edges, groups, and connections. Use when working with .canvas files, creating visual canvases, mind maps, flowcharts, or when the user mentions Canvas files in Obsidian.

Apache Kafka architecture expert for cluster design, capacity planning, and high availability. Use when designing Kafka clusters, choosing partition strategies, or sizing brokers for production workloads.

Edit PDFs with natural-language instructions using the nano-pdf CLI.

Analyzes and optimizes internal link structure to improve site architecture, distribute page authority, and help search engines understand content relationships. Creates strategic internal linking plans.

Use when designing REST or GraphQL APIs, creating OpenAPI specifications, or planning API architecture. Invoke for resource modeling, versioning strategies, pagination patterns, error handling standards.

This skill should be used when the user asks to "optimize context", "reduce token costs", "improve context efficiency", "implement KV-cache optimization", "partition context", or mentions context limits, observation masking, context budgeting, or extending effective context capacity.